United States v. Earl Davis , 690 F.3d 226 ( 2012 )


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  •                         PUBLISHED
    UNITED STATES COURT OF APPEALS
    FOR THE FOURTH CIRCUIT
    UNITED STATES OF AMERICA,               
    Plaintiff-Appellee,
    v.
        No. 09-4890
    EARL WHITTLEY DAVIS, a/k/a Baby
    Earl, a/k/a E,
    Defendant-Appellant.
    
    Appeal from the United States District Court
    for the District of Maryland, at Greenbelt.
    Roger W. Titus, District Judge.
    (8:07-cr-00199-RWT-1)
    Argued: December 9, 2011
    Decided: August 16, 2012
    Before AGEE, DAVIS, and KEENAN, Circuit Judges.
    Affirmed by published opinion. Judge Agee wrote the major-
    ity opinion, in which Judge Keenan joined. Judge Davis wrote
    a dissenting opinion.
    COUNSEL
    ARGUED: Paresh S. Patel, OFFICE OF THE FEDERAL
    PUBLIC DEFENDER, Greenbelt, Maryland, for Appellant.
    Deborah A. Johnston, OFFICE OF THE UNITED STATES
    2                       UNITED STATES v. DAVIS
    ATTORNEY, Greenbelt, Maryland, for Appellee. ON
    BRIEF: James Wyda, Federal Public Defender, Baltimore,
    Maryland, for Appellant. Rod J. Rosenstein, United States
    Attorney, Baltimore, Maryland, Emily N. Glatfelter, Assistant
    United States Attorney, OFFICE OF THE UNITED STATES
    ATTORNEY, Greenbelt, Maryland, for Appellee.
    OPINION
    AGEE, Circuit Judge:
    A jury convicted Earl Whittley Davis of various federal
    offenses arising from a course of conduct that included the
    armed robbery and murder during that robbery of an armored
    car employee, Jason Schwindler, as well as a subsequent car-
    jacking.1 On appeal, Davis challenges the use of DNA evi-
    dence against him at trial, and also argues that the district
    court erred in excluding expert testimony proffered by Davis
    in an attempt to undermine an eyewitness identification of
    him. For the reasons set forth below, we affirm the judgment
    of the district court.
    I.
    All of Davis’ convictions arose from the same brief course
    of events occurring in Prince George’s County, Maryland.
    The district court accurately summarized the facts as follows:
    On August 6, 2004, shortly before 1:00 p.m., Jason
    Schwindler, an armored car employee, picked up a
    1
    Specifically, Davis was convicted of Hobbs Act robbery, in violation
    of 18 U.S.C. § 1951, two counts of possession and discharge of a firearm
    in furtherance of a crime of violence, in violation of 18 U.S.C. § 924(c),
    one count of possession and discharge of a firearm in furtherance of a
    crime of violence resulting in death, in violation of 18 U.S.C. § 924(j), and
    one count of carjacking, in violation of 18 U.S.C. § 2119.
    UNITED STATES v. DAVIS                           3
    bank deposit from a local business and took it to a
    nearby BB&T bank in Hyattsville, Maryland. As
    Schwindler walked up to the bank entrance, two
    [gunmen] exited a Jeep Cherokee and began shoot-
    ing at Schwindler, killing him. When their escape in
    the Jeep was thwarted by the armored truck driver,
    the assailants carjacked a bank customer and fled in
    her vehicle[, a Pontiac Grand Am, which] was later
    recovered.
    United States v. Davis, 
    657 F. Supp. 2d 630
    , 635 (D. Md.
    2009).
    After the murder, officers from the Prince George’s County
    Police Department ("PGCPD") responded to the scene and
    collected numerous items of evidence, including a baseball
    cap worn by one of the shooters, two firearms, ammunition,
    and the steering wheel covers from the Jeep Cherokee and the
    Grand Am. After swabbing and analyzing the items for DNA,
    the profiles of the major contributors to the DNA found in the
    ball cap and on the triggers and grips of the recovered fire-
    arms were entered into the local Combined DNA Index Sys-
    tem ("CODIS") database.2 A search of the local database led
    to a "cold hit" between the DNA recovered at the Schwindler
    murder scene and Davis’ DNA profile, which was already
    present in the local database.
    Based on the "cold hit," officers obtained a search warrant
    to obtain a sample of Davis’ DNA directly from him, which
    again matched the evidence from the Schwindler murder
    scene. Evidence of this second match was introduced at trial
    in this case.
    2
    CODIS is a linked system that allows local, state, and federal forensics
    laboratories the ability to exchange, share and compare DNA profiles elec-
    tronically. See United States v. Mitchell, 
    652 F.3d 387
    , 399 (3d Cir. 2011)
    (en banc).
    4                       UNITED STATES v. DAVIS
    Prior to trial, Davis filed a motion to suppress the use of all
    DNA evidence against him, arguing that his DNA profile had
    been obtained by police and entered into the local PGCPD
    DNA database in violation of his Fourth Amendment rights.
    The district court held an evidentiary hearing, but declined to
    rule on the motion to suppress immediately, instructing the
    parties to continue preparing for trial. After a jury found
    Davis guilty of the charges, the district court issued a lengthy
    written order denying the motion to suppress. Davis, 657 F.
    Supp. 2d 630-67. Davis was sentenced by the district court on
    September 18, 2009 to a term of life imprisonment plus 420
    months.3
    Davis noted a timely appeal, and we have jurisdiction pur-
    suant to 28 U.S.C. § 1291.
    II.
    Background and Proceedings Below
    On August 29, 2000, almost four years before the Sch-
    windler murder, Davis arrived at Howard County General
    Hospital with a gunshot wound to his leg. He claimed to be
    a robbery victim and reported that he had been shot by the
    purported robber. Hospital personnel called the police, as
    Maryland law required, and Patrol Officer Joseph King of the
    Howard County, Maryland, Police Department ("HCPD")
    responded to the call.4 Officer King found Davis lying on a
    bed in the emergency room. He was conscious, sitting up, and
    able to converse with Officer King at the time. Davis’ pants
    3
    The death penalty was originally sought in this case, but the district
    court held that Davis was ineligible for the death penalty because he meets
    the legal definition for mental retardation. That ruling is not challenged on
    appeal.
    4
    Although the parties and the district court sometimes referred to the
    two HCPD officers using their titles at the time of the suppression hearing,
    we use their titles in 2000, as described by them.
    UNITED STATES v. DAVIS                          5
    and boxer shorts had been removed by hospital personnel and
    placed in a plastic hospital bag, which was stored on a shelf
    beneath the bed. Officer King observed Davis’ gunshot
    wound and secured Davis’ pants and boxer shorts as evidence
    of the reported shooting. He did so without express permis-
    sion from Davis (although Davis saw him take the clothing)
    and without a warrant. He then gave those items to his col-
    league, Detective Steven Lampe, who placed them in the
    HCPD "property room," to be held as evidence in the prose-
    cution of Davis’ assailant.
    At the suppression hearing, Officer King testified that he
    could not recall exactly what the bag looked like containing
    Davis’ clothes, and neither could Detective Lampe, except
    that the bag was "plastic." (J.A. 166.) Officer King testified,
    however, that he had "responded to the hospital on numerous
    calls," that he knew it was the hospital’s "practice to secure
    any property" taken from a patient and that the hospital placed
    that "[c]lothing from a victim . . . under [the patient’s] bed."
    (J.A. 147.) He also testified that he did not need "permission
    from anyone in the hospital to access" the bag. (J.A. 150.)
    No one was ever charged in the August 2000 shooting of
    Davis, and neither his clothing nor the blood on it were ever
    tested in connection with that shooting. Davis was not con-
    tacted or advised that the shooting investigation was no longer
    being pursued by the HCPD, nor was he offered the opportu-
    nity to retrieve his clothing. Instead, Davis’ clothes, contain-
    ing his DNA material,5 were simply retained by the HCPD.
    In order to give a more complete picture of later events, we
    note certain additional facts concerning Davis’ hospital stay.
    5
    We use the term "DNA material" to refer to any physical body sample
    that contains deoxyribonucleic acid (DNA) identification information. See
    42 U.S.C. § 14135a(c)(2) (defining DNA analysis for purposes of includ-
    ing DNA profiles in CODIS as the "analysis of [DNA] identification infor-
    mation in a bodily sample").
    6                   UNITED STATES v. DAVIS
    First, although Davis had given a false name and false driv-
    er’s license upon his admission to the hospital, police later
    learned his true identity through fingerprinting analysis. Addi-
    tionally, from the beginning of their questioning of Davis,
    Officer King and Detective Lampe believed Davis was being
    uncooperative so they conducted further investigation. That
    investigation led to the discovery of marijuana in the vehicle
    in which Davis had arrived at the hospital, as well as several
    other potentially incriminating items, such as a t-shirt and a
    ball cap that said "FBI," a handheld radio, leg shackles,
    gloves, and a mask. As a result, Davis was arrested on drug
    charges upon his release from the hospital, but those charges
    were later dropped.
    The government does not dispute that Davis’ clothing was
    seized initially because it was evidence of a crime in which
    he was a victim. The clothing was logged into the HCPD
    property room, however, on the same sheet with the mari-
    juana found in the car and the false ID card Davis had pre-
    sented. It also was Davis’ arrest record on the drug offense
    that later led the PGCPD to inquire and learn about the exis-
    tence of the seized clothing. 
    Davis, 657 F. Supp. 2d at 634-35
    (noting that in April 2004, Lampe "was contacted by mem-
    bers of [PGCPD], who asked him questions about the arrest
    of Earl Davis in 2000."). When the clothing was later checked
    out to the PGCPD for testing in a subsequent murder investi-
    gation, however, the form indicated that the clothes and blood
    were from the victim of a shooting. In effect, then, Davis had
    a "dual status" throughout the events in this case—he was
    both victim and arrestee—a fact which becomes important
    when analyzing his Fourth Amendment claims.
    In June 2001, an individual named Michael Neal was mur-
    dered in Prince George’s County. In April 2004, a PGCPD
    homicide detective investigating the Neal murder, Detective
    K. Jernigan, learned that Davis had previously been arrested
    in Howard County and that the HCPD had Davis’ clothes.
    UNITED STATES v. DAVIS                             7
    The PGCPD suspected Davis was involved in the Neal murder.6
    As a result, they requested and obtained Davis’ clothing,
    without a warrant, from the HCPD.
    In June 2004, the PGCPD extracted Davis’ DNA from the
    blood stains on Davis’ pants, again without a warrant, and
    created a DNA profile from the test results. That DNA was
    compared to an unknown DNA sample recovered from the
    scene of the Neal homicide, but there was no match. Despite
    the fact that Davis’ DNA profile excluded him as the source
    of the evidentiary sample from the Neal murder, the PGCPD
    nonetheless retained his DNA profile, and approximately one
    week later, included it in their local DNA database.
    At a hearing before a Maryland state court in its Schwindler
    murder prosecution,7 which is part of the record before us, the
    DNA analyst for the PGCPD, Julie Kempton, testified con-
    cerning the extraction of Davis’ profile and its entry into the
    local database. She testified that she was told by a detective
    that the boxer shorts were taken "from a suspect, from a hos-
    pital emergency room where he had been brought in [she]
    believe[d] for a shooting[.]" (Supp. J.A. 93.) She further testi-
    fied that her testing ultimately excluded Davis’ profile as a
    match in the Neal homicide. (Supp. J.A. 93-94.) She also tes-
    tified that she knew that, at the state level of the CODIS data-
    base, a suspect’s profile should be deleted if the court ordered
    6
    The parties are not clear in their briefs and do not point to any record
    evidence concerning what supported the PGCPD’s suspicion that Davis
    was involved in the Neal murder. Nonetheless, we presume for purposes
    of this appeal that, whatever level of suspicion it was, it was insufficient
    to establish probable cause.
    7
    Davis was initially charged in Prince George’s County Circuit Court
    and prosecution began there by the Prince George’s County State’s Attor-
    ney’s Office. That office later dismissed the case against Davis in coordi-
    nation with the U.S. Attorney’s Office in favor of a federal prosecution.
    The testimony of the analyst before the Maryland court was attached as
    Exhibit H to the Government’s Consolidated Response to Motions filed
    before the district court below.
    8                       UNITED STATES v. DAVIS
    expungement based on a vacated conviction. The record does
    not disclose any other information as to why the profile was
    retained, whether that was a common policy or practice, or
    whether it violated any local rule, regulation, policy, or prac-
    tice to do so.8
    As noted earlier, in the course of the investigation of the
    robbery and murder of Mr. Schwindler, when the DNA pro-
    file recovered from the Schwindler crime scene was entered
    into the PGCPD DNA database, a "cold hit" resulted with the
    DNA sample that had been lifted from Davis’ clothing. The
    PGCPD then secured a search warrant to obtain a DNA sam-
    ple directly from Davis. That subsequent DNA profile of
    Davis also matched the DNA samples from the Schwindler
    crime scene.
    Evidence of the match between the known sample obtained
    via the search warrant and the crime scene evidence was
    introduced at Davis’ trial. Specifically, DNA analyst Sarah
    Chenoweth testified that Davis’ DNA matched DNA profiles
    from the baseball cap and both cars’ steering wheel covers,
    and testified as to the infinitesimally small probabilities that
    the DNA on those items came from any person other than Davis.9
    Davis moved to suppress the DNA evidence against him,
    arguing that it was obtained in violation of the Fourth Amend-
    ment. In a lengthy order denying suppression, the district
    court addressed each of Davis’ challenges. The court con-
    cluded that Davis’ Fourth Amendment rights were violated
    only when his DNA profile was retained in the local DNA
    database, after Davis’ profile did not match the DNA sample
    from the Neal murder, but found no other violations. As to the
    retention of Davis’ profile, the court concluded that the "good
    8
    Although not in evidence, there was a limited discussion at oral argu-
    ment regarding what the common policy or practice was at that time. See
    infra at 48-49.
    9
    The accuracy of the DNA match is uncontested on appeal.
    UNITED STATES v. DAVIS                             9
    faith" exception should be applied and thus the application of
    the exclusionary rule was not warranted.
    III.
    Davis’ Challenge to the DNA Evidence
    Davis alleges three separate Fourth Amendment violations
    regarding the collection and retention of his DNA. Specifi-
    cally, Davis asserts that each of the following actions by
    police constituted a Fourth Amendment violation: (1) the sei-
    zure of his clothing from the hospital room and its subsequent
    search; (2) the extraction of his DNA profile and testing in
    connection with the Neal murder investigation; and (3) the
    retention of his DNA profile in the local DNA database.10
    For the reasons discussed below, we agree with the district
    court that no Fourth Amendment violation occurred in the sei-
    zure of the bag containing Davis’ clothing at the hospital. We
    also agree that any subsequent "search" of the bag was not
    unlawful because its contents were a foregone conclusion,
    based in part on Officer King’s uncontradicted testimony that
    he saw "a bag underneath of [Davis’] hospital bed that con-
    tained clothing."11 We further determine that there was a
    10
    Before the district court, Davis’ counsel argued six different points in
    which the Fourth Amendment could be implicated. On appeal, he limits
    his Fourth Amendment challenges to the three recited.
    11
    Relying on United States v. Jackson, 
    131 F.3d 1105
    , 1108 (4th Cir.
    1997), the dissent criticizes the majority opinion for its alleged failure to
    recognize that the plain view doctrine can justify a seizure, but not a war-
    rantless search. See generally post at 70-72.
    We recognize and acknowledge, as explained in Jackson, that the plain
    view doctrine is not an exception to the warrant requirement for a Fourth
    Amendment 
    search. 131 F.3d at 1108
    . Rather, the proper analysis is that
    there was a "non-search" here—for Fourth Amendment pur-
    poses—because no privacy interests were implicated. That is so because
    the police were justified in "searching" the bag of Davis’ clothing because
    it was a foregone conclusion that the bag contained evidence of a crime;
    10                      UNITED STATES v. DAVIS
    Fourth Amendment violation when the PGCPD extracted
    Davis’ DNA profile from his clothing and tested it as part of
    the Neal murder investigation. We assume, without deciding,
    that there was a separate Fourth Amendment violation in
    retaining Davis’ DNA profile in the local CODIS database.
    Finally, we conclude that the "good faith exception" to the
    exclusionary rule applies here to both violations and thus the
    DNA evidence was not required to be excluded.
    We review the factual findings underlying a motion to sup-
    press for clear error and the district court’s legal determina-
    tions de novo. Ornelas v. United States, 
    517 U.S. 690
    , 699
    (1996); United States v. Rusher, 
    966 F.2d 868
    , 873 (4th Cir.
    1992). When a suppression motion has been denied, this
    Court reviews the evidence in the light most favorable to the
    government. United States v. Seidman, 
    156 F.3d 542
    , 547 (4th
    Cir. 1998).
    A.
    The Seizure of Davis’ Clothing in His Hospital Room
    Davis first argues that the seizure of his clothing from his
    hospital room constituted a warrantless seizure that was not
    justified by any exception to the warrant requirement. The
    government contends that both the seizure and the subsequent
    just as in United States v. Williams, upon which we rely, the police law-
    fully searched a seized container because it was a foregone conclusion it
    contained evidence of a crime. 
    41 F.3d 192
    , 198 (4th Cir. 1994). We
    describe the action of the police in either looking in the bag or cataloguing
    its contents as a "search," as that term is used in the non-technical sense,
    since that is the framework utilized by the parties, by the dissent, and by
    the court in Williams. See 
    id. ("When a
    container has been legally seized,
    and its contents are a foregone conclusion, we hold that a subsequent
    search of the container is lawful under the plain view container doctrine.").
    To the extent there is an issue, it is more of labeling than of substance.
    UNITED STATES v. DAVIS                           11
    search of the bag containing the clothing were justified by the
    "plain view" exception, as the district court concluded.12
    For the plain view exception to the warrant rule to apply,
    the government must show that: (1) the officer was lawfully
    in a place from which the object could be viewed; (2) the offi-
    cer had a "lawful right of access" to the seized items; and (3)
    the incriminating character of the items was immediately
    apparent. See United States v. Jackson, 
    131 F.3d 1105
    , 1109
    (4th Cir. 1997). Davis concedes that Officer King was law-
    fully in the hospital room and thus that the government has
    satisfied the first requirement, but argues that the government
    failed to satisfy the latter two requirements. We disagree.
    As to the second requirement, Davis contends that, even
    though Officer King was in the room lawfully, he did not
    have lawful access to the bag of clothing. The case most heav-
    ily relied upon by Davis, United States v. Neely, 
    345 F.3d 366
    (5th Cir. 2003), is inapposite. In Neely, the Fifth Circuit held
    the plain view doctrine did not allow the seizure of the
    patient’s clothing, because the clothing at issue was not in
    open view but in the hospital property storage room, and
    required permission from hospital personnel to retrieve it. 
    Id. at 368,
    371. Notably, the hospital patient in Neely was the sus-
    pect in a criminal investigation, not the victim of a crime like
    Davis. 
    Id. at 367-68.
    Neely aside, we have no difficulty finding that there was
    lawful access to the clothing here. As suggested in Horton v.
    California, 
    496 U.S. 128
    (1990), the lawful access require-
    ment is intended to clarify that police may not enter a prem-
    12
    The government also contends that, even if the plain view exception
    did not apply, the clothing and DNA on it are not subject to exclusion
    because those items would have been discovered and seized upon Davis’
    arrest for narcotics violations as he left the hospital. The district court
    rejected this argument. 
    Davis, 657 F. Supp. 2d at 641
    . In light of our rul-
    ing that the plain view exception applies, we do not address the alternative
    argument of the government.
    12                      UNITED STATES v. DAVIS
    ises to make a warrantless seizure, even if they could
    otherwise see (from a lawful vantage point) that there was
    contraband in plain sight. 
    Id. at 137
    & n.7 (describing the sec-
    ond     requirement and         explaining    that    even     if
    "[i]ncontrovertable testimony of the senses" establishes that
    an object in plain view is contraband, "the police may not
    enter and make a warrantless seizure"); see also Boone v.
    Spurgess, 
    385 F.3d 923
    , 928 (6th Cir. 2004) (the "lawful right
    of access" requirement "is meant to guard against warrantless
    entry onto premises whenever contraband is viewed from off
    the premises in the absence of exigent circumstances"; thus,
    while "lawfully positioned" "refers to where the officer stands
    when she sees the item," "lawful right of access" refers "to
    where she must be to retrieve the item"). The example given
    by the government in this case is apt, i.e., the analysis of the
    first and second prongs might be different if "the officer were
    lawfully present outside a building, peering through a window
    into a room in which he would not be lawfully present."
    (Appellee’s Br. 32 n.8.) Here, however, there is no dispute
    that Officer King was lawfully present in the hospital room,
    and he thus had lawful access in the ordinary course of his
    investigation to the bag of clothing which could be evidence
    against Davis’ assailant.13 See Washington v. Chrisman, 
    455 U.S. 1
    , 8 (1982) ("when a police officer, for unrelated but
    entirely legitimate reasons, obtains lawful access to an indi-
    vidual’s area of privacy . . . [,] the Fourth Amendment does
    not prohibit seizure of evidence of criminal conduct found in
    these circumstances."); see also infra at 17-18 (discussing
    13
    The dissent devotes considerable ink to disputing the lawful access
    prong, complete with hypotheticals unrelated to the situation in the case
    at bar. See post at 65-70 and corresponding notes. Context matters, how-
    ever, and the context of this case is that of a police officer who was law-
    fully fulfilling his duty to investigate a reported shooting. In doing so, he
    lawfully entered the emergency room of a hospital to interview the victim
    of the shooting, and observed both the victim, unclothed from the waist
    down, lying on a gurney with a visible gunshot wound to his upper thigh,
    and a plastic bag of clothing underneath the victim’s gurney. That context
    informs our conclusion that the officer had lawful access to the bag.
    UNITED STATES v. DAVIS                    13
    cases permitting seizure of blood-stained clothing in plain
    view).
    The third prong of the plain view doctrine is less readily
    resolved. Nonetheless, having carefully reviewed the district
    court’s ruling on this point, we find no clear error in its fac-
    tual findings, nor any error in its legal conclusions.
    Davis’ primary argument is that while the bag may have
    been in plain view, the clothes were not. Thus, he contends
    that both the seizure and any subsequent search of the bag
    violated his constitutional rights. The seizure implicated
    Davis’ possessory interest in his clothing, and any subsequent
    search implicated his privacy interest. See Texas v. Brown,
    
    460 U.S. 730
    , 747 (1983) (Stevens, J., concurring in the judg-
    ment). As Davis’ arguments on this issue acknowledge, under
    the facts here, the two concepts overlap. Specifically, the sei-
    zure of the bag was warranted under the plain view exception
    only if it was immediately apparent that it contained incrimi-
    nating evidence. Here, that would require it be immediately
    apparent that the bag contained evidence of a crime, i.e.,
    Davis’ clothing possessing blood, trace evidence, and/or a
    bullet hole. Similarly, the subsequent search of the bag
    (whether to identify or examine its contents), was warranted
    if it was a foregone conclusion that the bag contained the
    clothing, which was evidence of a crime.
    As to both the seizure of the bag and any subsequent search
    of the bag, the district court’s reliance on United States v. Wil-
    liams, 
    41 F.3d 192
    (4th Cir. 1994) was appropriate. In Wil-
    liams, officers had properly seized five packages, which
    consisted of a brown, opaque material wrapped in heavy cel-
    lophane. 
    Id. at 197-98.
    The defendant challenged the subse-
    quent warrantless search, in which a police officer removed
    the cellophane wrapping from one of the packages, poked a
    hole in the opaque material surrounding its contents, removed
    a small quantity of white powder and field tested the powder,
    which tested positive for cocaine. 
    Id. at 194.
    14                     UNITED STATES v. DAVIS
    The Williams Court explained that a search of such a con-
    tainer is permissible under the plain view doctrine when "the
    contents of a seized container are a foregone conclusion." 
    Id. at 197.
    That is, "when a container is not closed, or transparent,
    or when its distinctive configuration proclaims its contents,
    the container supports no reasonable expectation of privacy
    and the contents can be said to be in plain view." 
    Id. (citations omitted).
    Williams clearly stated that, "[i]n determining
    whether the contents of a container are a foregone conclusion,
    the circumstances under which an officer finds the container
    may add to the apparent nature of its contents." 
    Id. (citing Blair
    v. United States, 
    665 F.2d 500
    , 507 (4th Cir. 1981)).
    Williams also quite plainly allows the experience of the
    officer to be taken into account when determining whether a
    container’s contents are a "foregone conclusion." 
    Id. at 198.
    There, the Court relied on the testimony of the police officer
    that, based on his ten years of experience, packages wrapped
    in this manner contained narcotics, to support the Court’s
    holding that the contents of the container were a "foregone
    conclusion." 
    Id. at 194,
    198. The Court also noted that the
    other items found in the suitcase with the wrapped packages
    (towels, dirty blankets, and a shirt with a cigarette burn) were
    unusual for a traveler, in that they did not contain clothing or
    other items a person normally carries when traveling across
    the country. 
    Id. Thus, in
    conducting this inquiry, we consider
    both the circumstances under which the container here was
    found and Officer King’s knowledge about this particular hos-
    pital’s practices and procedures and his experience in
    responding to the hospital bedsides of gunshot victims in this
    particular hospital.14
    14
    While the dissent appears to disagree with the holding of Williams in
    some respects, see post at 74-75 n.13, 83, we are bound to follow our own
    Circuit’s precedent "absent contrary law from an en banc decision of this
    Court or a Supreme Court decision." United States v. Jeffery, 
    631 F.3d 669
    , 677 (4th Cir. 2011).
    UNITED STATES v. DAVIS                           15
    Here, Officer King testified, without contradiction or chal-
    lenge, that when he entered the curtained-off area where he
    was told Davis would be, he saw Davis on a hospital bed and
    observed "a bag underneath of the hospital bed that contained
    clothing." (J.A. 140.) He did not testify that he walked into
    the area and saw what he thought might be a bag of clothing
    under the bed. Drawing the inferences from the facts in the
    government’s favor, as we must, see 
    Seidman, 156 F.3d at 547
    , that testimony fairly supports an inference that Officer
    King could see the clothing through the bag or that the bag
    was partially open, revealing clothing. Nothing in the record
    contradicts such a conclusion. Because the officers were not
    asked whether the bag was open or closed and could not recall
    precisely what the bag looked like, however, we do not know
    for certain "whether the bag was open or closed, or whether
    it was transparent, opaque or somewhere in-between," 
    Davis, 657 F. Supp. 2d at 638
    .15 What is clear from this record is that
    Officer King expressed no doubt he observed "a bag . . . that
    contained clothing." (J.A. 140.) Thus, we disagree with the
    dissent’s contention that Officer King’s testimony was equiv-
    ocal, or that his testimony fails to rise to the level of certainty
    required in Williams. See post at 82-83.16
    Officer King also testified that it was the practice and pro-
    cedure of the hospital to place a patient’s clothing in a bag on
    15
    It is unsurprising that neither officer could remember, at the time of
    their testimony at the suppression hearing in September 2008, precisely
    what the plastic bag looked like given that they had seen it briefly more
    than eight years earlier, in August 2000.
    16
    Contrary to the dissent’s unfounded claim that we are engaging in "ex-
    traordinary appellate fact-finding," post at 74 n.12, we are simply quoting
    from the undisputed testimony of Officer King in the record. While the
    government bears the burden of proof to show that the warrantless seizure
    was justified, the district court ruled in the government’s favor and thus
    any inferences to be drawn from the testimony are to be viewed in the
    light most favorable to the government. 
    Seidman, 156 F.3d at 547
    . More-
    over, nowhere in its brief does the government "concede" that King did
    not know it was clothing in the bag. Cf. post at 73 n.12.
    16                      UNITED STATES v. DAVIS
    the shelf under his bed. He further could visibly see that Davis
    had been shot in his upper right thigh, and that Davis was no
    longer wearing pants or underwear. Instead, while Davis was
    wearing clothing on his upper body, his lower body was
    exposed, except for his genital area, which was covered by a
    sheet. (See Supp. J.A. 73 (picture of Davis in hospital bed);
    J.A. 141 (testimony of Officer King that picture accurately
    depicted what Davis was wearing)).
    We agree with the district court that "the totality of the cir-
    cumstances, taking into account [Officer] King’s experience
    with the hospital’s practices regarding patients’ property, the
    appearance of the Defendant at the time [Officer] King spoke
    with him, and the obvious fact that the Defendant had been
    shot in an area of the body usually covered by clothing" sup-
    port the determination that it was a foregone conclusion the
    bag under Davis’ hospital bed contained the clothing he wore
    when he was shot.
    Davis alternatively contends that even if it had been a vir-
    tual certainty that the bag contained Davis’ clothing, the
    incriminating nature of those clothes was not "immediately
    apparent." We have little trouble, however, in concluding that
    Davis’ pants almost certainly would contain both blood and
    a bullet hole,17 and would thus be incriminating evidence in
    17
    The dissent’s lengthy discussion of United States v. Jamison, 
    509 F.3d 623
    (4th Cir. 2007), see post at 78-80 & n.15, to suggest that a bullet hole
    might not have been present in Davis’ pants, is unavailing. Jamison did
    not involve any challenge to the search or seizure of evidence; the issue
    there was whether the defendant was in custody for Miranda purposes at
    the time police questioned him. Moreover, the fact that it was theoretically
    possible, at the time that Officer King seized the clothing, that Davis was:
    a) lying about being shot by someone else and had instead shot himself;
    and b) done so in a manner that somehow avoided putting a hole in his
    own pants, does not alter our conclusion. As the Tenth Circuit has
    explained, the knowledge required to establish a "foregone conclusion" is
    not absolute certainty, but "knowledge approaching certainty." United
    States v. Jackson, 
    381 F.3d 984
    , 989 n.2 (10th Cir. 2004) (emphasis in
    original). That standard is met here.
    UNITED STATES v. DAVIS                   17
    the prosecution of the shooter. Such a conclusion is based on
    the circumstances, Davis’ appearance, and the location of his
    bullet wound. As noted by the district court, moreover, Davis
    has provided no authority to support imposing a requirement
    that the evidence be incriminating against the person from
    whom it is seized. 
    Davis, 657 F. Supp. 2d at 640
    . As the dis-
    trict court reasoned:
    [The defendant’s failure to provide any authority]
    may be due to the unique situation presented by the
    facts of this case; very rarely will a victim from
    whom evidence is seized later become a criminal
    defendant with standing and reason to challenge the
    previous seizure. As a matter of first impression,
    however, it would seem unwise and overly restric-
    tive to require police to know who will be incrimi-
    nated by an item in plain view before they are able
    to seize it and investigate further.
    
    Id. Indeed, Supreme
    Court cases and authority from other cir-
    cuits explain that an item need not itself be contraband before
    it has an "incriminating nature," but instead, an item need
    only be evidence of a crime. Texas v. Brown, 
    460 U.S. 730
    ,
    742 (1983) (Rehnquist, J., plurality opinion) (discussing plain
    view doctrine and whether items may be "contraband or
    stolen property or useful as evidence of a crime") (emphasis
    added); United States v. Smith, 
    459 F.3d 1276
    , 1293 (11th
    Cir. 2006) ("the scope of the ‘plain view’ doctrine extends to
    the seizure of items that, while not contraband themselves,
    may be used as evidence against a defendant"); United States
    v. Rodriguez, 
    601 F.3d 402
    , 407 (5th Cir. 2010) ("The incrim-
    inating nature of an item is ‘immediately apparent’ if the offi-
    cers have ‘probable cause’ to believe that the item is either
    evidence of a crime or contraband.") (emphasis added and
    citation omitted); United States v. Chipps, 
    410 F.3d 438
    , 443
    (8th Cir. 2005) (warrantless seizure of a sweatshirt on the
    18                      UNITED STATES v. DAVIS
    ground outside a house where there had been a reported
    assault was justified by the plain view doctrine, since "the
    incriminating nature of a bloody sweatshirt at the site of a
    potential assault was obvious" and the officer "had a legal
    right to access the shirt—it was right in front of him on the
    ground"); Chavis v. Wainwright, 
    488 F.2d 1077
    , 1078 (5th
    Cir. 1973) (clothing in plastic hospital bag was properly
    seized from stabbing victim in hospital without a warrant as
    evidence of an assault, despite fact that victim told police he
    did not want to prosecute his assailant girlfriend).18 Here, like
    the bloody clothing in Chipps and in Chavis, the pants with
    a bullet hole, which would be clear evidence a shooting
    occurred and might reasonably provide scientific evidence
    related to the gun caliber, distance, etc., is evidence of a crime
    and hence, has an immediately apparent "incriminating
    nature."19
    18
    The Fifth Circuit reasoned in Chavis that "[c]learly, the officer . . .
    would have been derelict in his duty had he not taken custody of Chavis’
    clothing as evidence of a possible homicide that he was 
    investigating." 488 F.2d at 1078
    ; see also 
    Jamison, 509 F.3d at 631-32
    (in context of
    addressing interrogation and gun-powder residue testing of a hospital
    patient who was admitted with a gunshot wound, noting that a reasonable
    person who is admitted to a hospital with a gunshot wound and reports
    that he was shot by someone else would expect to be interviewed and
    "might complain of police malfeasance had [the police] not immediately
    investigated the shooting[,] [since a] reasonable person would tolerate
    nothing less than a thorough investigation into such a shooting").
    19
    The dissent cites Clay v. State, 
    725 S.E.2d 260
    (Ga. 2012), as a case
    in which a court concluded the plain view exception did not warrant the
    search of a bag of clothing. See post at 81 n.16. Contrary to the dissent’s
    description of Clay as having "nearly identical" facts, however, the defen-
    dant in Clay was an unconscious murder suspect at the time the police
    reported to the hospital and conducted a search of the bag containing his
    personal effects. 
    See 725 S.E.2d at 264-65
    . Significantly, there was no evi-
    dence in that case that the police knew there would be blood on his cloth-
    ing or other evidence of any crime. Unlike Davis, the suspect had not been
    shot or assaulted and was not being treated for any wounds, nor were any
    wounds visible, that would indicate there would be blood on his clothing.
    
    Id. Under these
    circumstances, the court concluded that it was not a "’fore-
    UNITED STATES v. DAVIS                            19
    For all of the foregoing reasons, we conclude that the plain
    view doctrine justified both the warrantless seizure and the
    subsequent search of the bag containing the clothing under
    Davis’ hospital bed.
    gone conclusion’ that the bag contained [the suspect’s] bloody clothes."
    
    Id. at 269.
    Here, by contrast, there was ample evidence in plain sight
    (including most notably the gunshot wound on Davis’ upper thigh) from
    which Officer King could conclude it was a foregone conclusion that the
    bag contained Davis’ clothing, and that the clothing contained evidence of
    a crime.
    Moreover, while Davis and the dissent cite to decisions of other courts
    for the "unremarkable proposition" that hospital patients retain a reason-
    able expectation of privacy in their clothing, see post at 81 n.16, that prop-
    osition is far from universally accepted. Indeed, other courts have found
    that a reasonable expectation of privacy was lacking under facts similar to
    those here and thus upheld the warrantless seizure and search of clothing
    belonging to a hospital patient. See, e.g., Mitchell v. State, 
    906 S.W.2d 307
    , 309 (Ark. 1995) (affirming warrantless seizure of clothing from hos-
    pital and subsequent inventory search, explaining that "[t]he totality of the
    circumstances herein includes the fact that the appellant was thought to be
    a victim [and] [t]he clothing of a gunshot victim is evidence of the com-
    mission of a crime"); Holt v. United States, 
    675 A.2d 474
    , 477, 480 (D.C.
    1996) (Fourth Amendment was not violated by the search or the subse-
    quent seizure of defendant’s clothing from a "visible, unsealed plastic bag
    under [defendant’s] gurney in which hospital personnel had stored [his]
    clothing before treating him" after defendant had admitted himself with a
    gunshot wound, particularly where he had "voluntarily walked into [the
    hospital] emergency room wearing—for everyone to see—the clothing the
    police later inspected" and he never expressed "a desire to remove [the
    clothing] from public view"); People v. Sutherland, 
    415 N.E.2d 1267
    ,
    1271 (Ill. App. Ct. 1980) (gunshot victim whose clothes were removed at
    the hospital had no reasonable expectation of privacy in those clothes and
    thus they could be obtained and inspected without a warrant); State v.
    Adams, 
    541 A.2d 262
    , 265 (N.J. Super. Ct. App. Div. 1988) (exigent cir-
    cumstances permitted the search and inspection of clothing taken from an
    unconscious hospital patient in the emergency room, who was believed to
    be the victim of a shooting); Wagner v. Hedrick, 
    383 S.E.2d 286
    , 291 (W.
    Va. 1989) (motorcycle accident victim had no "reasonable expectation of
    privacy in his personal effects" under the control of emergency room
    staff).
    20                     UNITED STATES v. DAVIS
    Before turning to the issues surrounding the extraction and
    testing of Davis’ DNA, we respond briefly to two points
    raised by the dissent regarding the seizure and search of the
    clothing and our application of Williams. First, the dissent
    argues Williams is distinguishable on the grounds that the dis-
    trict court here considered only extrinsic evidence, while the
    Williams court considered such extrinsic evidence in addition
    to the physical appearance and character of the container.
    Relatedly, the dissent further states, without citation to author-
    ity, that "[n]arcotics packaging is so readily recognizable as
    to rise to the level of the archetypal kit of burglar tools or a
    gun case," while the bag here was not "distinctive in any
    way." Post at 82, 83. We disagree.
    The dissent’s assertions that drug packaging is "readily rec-
    ognizable" as such while a bag containing a hospital patient’s
    clothing is not, is true only if the contextual evidence present
    in Williams is being taken into account, i.e., the fact that the
    packaging was in a suitcase with very few other items one
    would suspect to find in a traveler’s luggage, and the contex-
    tual evidence here is ignored, i.e., that the bag was underneath
    a gunshot victim’s hospital bed. But Williams expressly per-
    mits us to consider the context and circumstances of the spe-
    cific case, as well as the experience of the officer. Here, those
    factors compel the conclusion that the bag under Davis’ bed
    contained his clothing.20
    Second, the dissent suggests an inconsistency between our
    20
    Indeed, in gauging what is "readily recognizable," we think it likely
    that the vast majority of people who have spent time in a hospital (either
    as a patient or with a friend or family member) know that hospitals com-
    monly place a patient’s clothing in a plastic bag that either stays in his
    room or travels with him on his bed or gurney. On the other hand, most
    lay people do not have personal experience with the types of packaging
    used by drug traffickers. Regardless of which container hypothetically is
    more recognizable in the absence of context and personal experience, we
    readily conclude that the bag here was readily identifiable as containing
    Davis’ clothing.
    UNITED STATES v. DAVIS                       21
    upholding the seizure of Davis’ clothing at the hospital
    (which obviously contained his DNA), but concluding that he
    had a reasonable expectation of privacy in his DNA such that
    its later use violated his Fourth Amendment rights. See post
    at 84-85 (it is "curious, to say the least, to reason as does the
    majority that Davis retained, for several years after the bag
    was seized at the hospital, a reasonable expectation of privacy
    in the character of his DNA molecules, but that he lacked any
    reasonable expectation of privacy in the presence of those
    molecules in his blood while they were embedded in his
    clothing" while at the hospital). This perceived inconsistency
    is based on a misunderstanding of our holding.
    We do not hold that Davis had no expectation of privacy
    in his DNA while it was on his clothing at the hospital. What
    we conclude is that the seizure and search of the bag contain-
    ing Davis’ clothing were permitted under the plain view doc-
    trine because his clothing was evidence of a crime and was in
    plain view, as applied in Williams. See infra at 29 ("while
    Davis may not have had any expectation of privacy in the out-
    ward appearance of the clothing once it was in police custody,
    we nevertheless must consider . . . whether Davis retained a
    reasonable expectation of privacy in his DNA on the clothing
    or in the DNA profile obtained from it.")
    Davis always had an expectation of privacy in his DNA,
    but that expectation of privacy was not implicated merely by
    an effort to identify, describe and catalogue his clothing as
    evidence of a reported crime, rather than testing anything
    found on it. It was not until the police sought to obtain a DNA
    profile from his blood that his privacy interest in his DNA
    was implicated. As we explain, the search of his DNA did not
    occur until the police extracted and tested his DNA in con-
    junction with the Neal murder. See infra at Section III.B.2.
    The dissent’s perceived "inconsistency" in our holdings does
    not exist.21
    21
    Because DNA is found in many bodily substances, see Kaemmerling
    v. Lappin, 
    553 F.3d 669
    , 682 (D.C. Cir. 2008) ("DNA exists in numerous
    22                      UNITED STATES v. DAVIS
    B.
    The Extraction and Testing of Davis’ DNA Profile for Use
    in the Neal Murder Investigation, and the Retention of
    Davis’ DNA Profile
    Having concluded that the HCPD lawfully obtained the
    clothing that contained Davis’ DNA material, we now turn to
    Davis’ contention that the PGCPD violated the Fourth
    Amendment by extracting his DNA from the blood on that
    clothing and testing it for use in the Neal murder investiga-
    tion, as well as in retaining his profile in their local DNA
    database.
    1.
    General Fourth Amendment Principles
    The general issue of a person’s reasonable expectation of
    privacy in his DNA is a developing and unsettled area of the
    law, one that has not yet been addressed by the Supreme
    Court. The relative recency of the technology, especially
    when coupled with its potential power, is no doubt part of the
    reason why there is uncertainty over the degree of privacy
    persons can reasonably expect to have in their DNA. Cf. Dist.
    Attorney’s Office for the Third Judicial Dist. v. Osborne, 
    557 U.S. 52
    , 
    129 S. Ct. 2308
    , 2316 (2009) ("Modern DNA testing
    can provide powerful new evidence unlike anything known
    parts of the body that even nonviolent criminals leave behind, including
    hair, saliva, and skin cells . . . .") (citation omitted), the mere fact that
    DNA material is present on a physical item of seized evidence cannot
    automatically infringe upon a person’s privacy interest in his or her DNA.
    It is not until the DNA is tested and extracted and a DNA profile created
    that the privacy interest in DNA might be implicated. Put differently, it
    cannot be the rule that an otherwise lawful seizure of physical evidence
    becomes illegal merely because a non-perpetrator’s DNA may be on that
    evidence.
    UNITED STATES v. DAVIS                           23
    before . . . DNA testing has exonerated wrongly convicted
    people, and has confirmed the convictions of many others.");
    Jones v. Murray, 
    962 F.2d 302
    , 307 (4th Cir. 1992) (describ-
    ing DNA as a "dramatic new tool for the law enforcement
    effort to match suspects and criminal conduct").22
    22
    In Jones, in the context of obtaining DNA profiles from incarcerated
    felons, we analogized DNA profiling to fingerprinting, i.e., a more sophis-
    ticated or refined means of 
    identification. 962 F.2d at 306-07
    ; see also
    
    Mitchell, 652 F.3d at 413
    ("at present DNA profiling is simply a more pre-
    cise method of ascertaining identity and is thus akin to fingerprinting,
    which has long been accepted as part of routine booking procedures"); see
    also United States v. Amerson, 
    483 F.3d 73
    , 85-86 (2d Cir. 2007) ("at least
    in the current state of scientific knowledge, the DNA profile derived from
    the offender’s blood sample establishes only a record of the offender’s
    identity" and "a probationer’s expectation of privacy in his or her identity
    is severely diminished."); Boroian v. Mueller, 
    616 F.3d 60
    , 66-67 (1st Cir.
    2010) ("Given the [federal] DNA Act’s stringent limitations on the cre-
    ation and use of DNA profiles, CODIS currently functions much like a tra-
    ditional fingerprint database" and citing to cases from the Second, Tenth,
    and District of Columbia Circuits so stating). However, courts also have
    recognized the limitations of this analogy, which stem from the fact that
    a DNA profile, unlike a fingerprint, is drawn from DNA that stores a
    wealth of personal information. See Johnson v. Quander, 
    440 F.3d 489
    ,
    499 (D.C. Cir. 2006) ("genetic fingerprints differ somewhat from their
    metacarpal brethren"); United States v. Kincade, 
    379 F.3d 813
    , 841-42 &
    n.3 (9th Cir. 2004) (en banc) (Gould, J., concurring) ("Like DNA, a fin-
    gerprint identifies a person, but unlike DNA, a fingerprint says nothing
    about the person’s health, propensity for particular disease, race and gen-
    der characteristics, and perhaps even propensity for certain conduct.").
    In any event, both a thorough examination of the science of DNA pro-
    filing, as well as the operation and interplay of local, state, and federal
    DNA law enforcement databases, are far beyond the scope of this opinion.
    Other courts have examined these issues in detail and we will not do so
    here. See, e.g., 
    Mitchell, 652 F.3d at 398-402
    (discussing the process of
    creating a DNA profile for CODIS and the use of "junk" DNA, the federal
    DNA act and the levels of database that contribute to CODIS); 
    Boroian, 616 F.3d at 63-64
    , 65-67 (explaining how DNA samples are obtained,
    summarizing the provisions of the federal DNA act, and describing how
    CODIS works and how the database has grown and expanded since its ini-
    tial development).
    24                      UNITED STATES v. DAVIS
    The Fourth Amendment provides that "[t]he right of the
    people to be secure in their persons, houses, papers, and
    effects, against unreasonable searches and seizures, shall not
    be violated, and no Warrants shall issue, but upon probable
    cause, supported by Oath or affirmation, and particularly
    describing the place to be searched, and the persons or things
    to be seized." U.S. Const. amend. IV. However, the protec-
    tions of the Fourth Amendment are activated only when the
    state conducts a search or seizure in an area in which there is
    a "constitutionally protected reasonable expectation of pri-
    vacy." New York v. Class, 
    475 U.S. 106
    , 112 (1986) (citation
    omitted). When there is no reasonable expectation of privacy,
    the Fourth Amendment is not implicated.23 See, e.g., United
    States v. Dionisio, 
    410 U.S. 1
    , 14 (1973) (no reasonable
    expectation of privacy in one’s voice); United States v. Mara,
    
    410 U.S. 1
    9, 21 (1973) (no reasonable expectation of privacy
    in one’s handwriting); California v. Greenwood, 
    486 U.S. 35
    ,
    37 (1988) (same as to trash left by the curb). A search or sei-
    23
    The Supreme Court’s recent decision in United States v. Jones, 
    132 S. Ct. 945
    (Jan. 23, 2012) does not change our analysis in this case. In
    Jones, the Court held that the Fourth Amendment was violated when law
    enforcement officers, without a valid warrant, installed a GPS tracking
    device on the undercarriage of the defendant’s Jeep while it was parked
    in a public parking lot. In determining whether this action constituted a
    "search," the majority did not reach the issue of whether the Defendant
    had a "reasonable expectation of privacy" in the underbody of the Jeep. 
    Id. at 950.
    Instead, its conclusion rested entirely on the fact that the "Govern-
    ment physically occupied private property for the purpose of obtaining
    information," 
    id. at 949,
    and that constituted a violation of the Fourth
    Amendment right "to be secure against unreasonable searches and seizures
    in their persons, houses, papers and effects." 
    Id. In so
    holding, the Court
    emphasized that Katz simply established that "property rights are not the
    sole measure of Fourth Amendment violations," but that Katz did not
    extinguish the "previously recognized protection for property." 
    Id. at 951;
    see also 
    id. at 954-55
    (Sotomayor, J., concurring). In the case at bar, once
    the police had lawful possession of Davis’ clothing, there was no further
    intrusion of, or trespass upon, his property rights. Thus, the only basis on
    which the later testing of the clothing could constitute a search is if Davis
    retained a reasonable expectation of privacy in his clothing or the blood
    on it.
    UNITED STATES v. DAVIS                   25
    zure for Fourth Amendment purposes does not occur, there-
    fore, when a person lacks a reasonable expectation of privacy
    in the material examined. United States v. Breza, 
    308 F.3d 430
    , 433 (4th Cir. 2002) (citing Illinois v. Andreas, 
    463 U.S. 765
    , 771 (1983)).
    Even if a search has occurred without a warrant and with-
    out individualized suspicion, a Fourth Amendment violation
    does not necessarily occur. The Fourth Amendment does not
    prohibit all searches, only those that are unreasonable. Skinner
    v. Ry. Labor Execs.’ Ass’n, 
    489 U.S. 602
    , 619 (1989) ("the
    Fourth Amendment does not proscribe all searches and sei-
    zures, but only those that are unreasonable"); Terry v. Ohio,
    
    392 U.S. 1
    , 9 (1968) ("[W]hat the Constitution forbids is not
    all searches and seizures, but unreasonable searches and sei-
    zures.") (quoting Elkins v. United States, 
    364 U.S. 206
    , 222
    (1960)). And "[a]lthough as a general matter, warrantless
    searches ‘are per se unreasonable under the Fourth Amend-
    ment,’ there are ‘a few specifically established and well-
    delineated exceptions’ to that general rule." City of Ontario,
    Ca. v. Quon, 
    130 S. Ct. 2619
    , 2630 (2010) (quoting Katz v.
    United States, 
    389 U.S. 347
    , 357 (1967)); Nat’l Treasury
    Employees Union v. Von Raab, 
    489 U.S. 656
    , 665 (1989)
    ("neither a warrant nor probable cause, nor, indeed, any mea-
    sure of individualized suspicion, is an indispensable compo-
    nent of reasonableness in every circumstance").
    2.
    Whether Extraction and Testing of Davis’ DNA Profile for
    Use in the Neal Murder Investigation, or its Later
    Retention, Constituted Searches?
    We first consider the threshold question whether a search
    occurred when the PGCPD extracted and tested Davis’ DNA
    for use in the Neal murder investigation, or when the PGCPD
    retained Davis’ DNA profile in CODIS. Our analysis turns on
    the question whether Davis had a reasonable expectation of
    26                      UNITED STATES v. DAVIS
    privacy in his clothing and the blood and DNA it contained,
    once it was in the lawful custody of the HCPD.
    The government argues that there was no search or seizure
    here, relying primarily on United States v. Edwards, 
    415 U.S. 800
    (1974), for the proposition that Davis lacked any reason-
    able expectation of privacy in his clothes or DNA after they
    were lawfully seized by police.24 In Edwards, the defendant
    was arrested and charged with an attempted break-in at
    approximately 11:00 p.m., taken to the local jail and placed
    in a 
    cell. 415 U.S. at 801
    . Investigation at the scene revealed
    that the attempted entry had been made through a wooden
    window and that paint chips had been left on the window sill
    and wire mesh. 
    Id. at 801-02.
    The next morning (approxi-
    mately ten hours after his arrest), Edwards was given a
    change of clothing and his clothing was then taken from him
    and held as evidence. 
    Id. at 802.
    Examination of the clothing
    revealed paint chips matching the samples taken from the
    window. 
    Id. The evidence
    of the matching paint chips was
    later introduced at trial, over Edwards’ objection. 
    Id. The Sixth
    Circuit reversed, finding the seizure of the clothing, car-
    ried out after "the mechanics of [Edwards’] arrest" had been
    completed, violated the Fourth Amendment. 
    Id. 24 The
    government also relies on United States v. Gargotto, 
    476 F.2d 1009
    (6th Cir. 1973) and Wallace v. State, 
    816 A.2d 883
    (Md. 2003). In
    Gargotto, the Sixth Circuit held that a defendant’s records seized in a state
    investigation could be given to federal authorities without a separate
    search warrant, and used as evidence in an unrelated federal 
    case. 476 F.2d at 1014
    . Similarly, Wallace affirmed the warrantless search and
    visual inspection of the defendant’s clothing in conjunction with a murder
    charge, where the clothing had been initially seized during an inventory
    search upon his arrest for drug charges, because the defendant had no rea-
    sonable expectation of privacy in that 
    clothing. 816 A.2d at 897
    , 901. The
    district court considered Wallace and other similar cases, but found them
    all distinguishable on the grounds that the evidence in the other cases law-
    fully entered police custody pursuant to a defendant’s arrest or was seized
    pursuant to a warrant supported by probable cause. Davis, 
    657 F. Supp. 2d
    at 646. By contrast, Davis’ pants with the bloodstain were in lawful
    police custody as evidence of a crime in which he was the reported victim.
    
    Id. at 647.
                         UNITED STATES v. DAVIS                     27
    The Supreme Court reversed the Sixth Circuit, holding that
    the warrantless seizure of the clothing was constitutional. The
    Supreme Court first noted that warrantless searches are per-
    mitted incident to custodial arrests, and that they can legally
    be conducted later when the accused arrives at the place of
    detention. 
    Id. at 802-03.
    "Nor is there any doubt that clothing
    or other belongings may be seized upon arrival of the accused
    at the place of detention and later subjected to laboratory anal-
    ysis or that the test results are admissible at trial." 
    Id. at 803-
    04.
    The government reads Edwards to stand for the proposition
    that once the police have lawful custody of evidence, like
    Davis’ clothing here, further scientific examination conducted
    on it by that particular police department or by any other law
    enforcement body does not first require that a search warrant
    be obtained. (See Appellee’s Br. 46.) As a result, the govern-
    ment argues, Davis did not have a reasonable expectation of
    privacy in the DNA contained in his clothing because it had
    been lawfully seized by the HCPD. The government accord-
    ingly contends that the PGCPD did not violate the Fourth
    Amendment when the PGCPD later obtained Davis’ clothing
    and extracted the DNA at issue.
    The Court in Edwards, however, did not adopt the categori-
    cal rule advanced by the government:
    In upholding this search and seizure, we do not con-
    clude that the Warrant Clause of the Fourth Amend-
    ment is never applicable to postarrest seizures of the
    effects of an arrestee. But we do think that the Court
    of Appeals for the First Circuit captured the essence
    of situations like this when it said in United States
    v. DeLeo, 
    422 F.2d 487
    , 493 (1970) (footnote omit-
    ted): "While the legal arrest of a person should not
    destroy the privacy of his premises, it does—for at
    least a reasonable time and to a reasonable
    extent—take his own privacy out of the realm of
    28                   UNITED STATES v. DAVIS
    protection from police interest in weapons, means of
    escape, and 
    evidence." 415 U.S. at 808-09
    (footnote omitted and emphasis added); 
    id. at 808
    n.9 ("Holding the Warrant Clause inapplicable in the
    circumstances present here does not leave law enforcement
    officials subject to no restraints. This type of police conduct
    must still be tested by the Fourth Amendment’s general pro-
    scription against unreasonable searches and seizures.") (inter-
    nal quotation marks and alteration omitted).
    In Edwards, the class of person whose item was seized, an
    arrestee, and the type of item seized, evidence, were material
    considerations in the Court’s analysis. Further, Edwards rec-
    ognized that even an arrestee, who has a diminished expecta-
    tion of privacy, does not forfeit forever all privacy interests in
    his effects. Therefore, the Edwards decision itself does not
    support the government’s broad categorical assertion that any
    item in the lawful custody of law enforcement can be sub-
    jected to laboratory analysis at any later time and for any pur-
    pose related to law enforcement.
    Moreover, because the analysis of biological samples, such
    as those derived from blood, urine, or other bodily fluids, can
    reveal "physiological data" and a "host of private medical
    facts," such analyses may "intrude[ ] upon expectations of pri-
    vacy that society has long recognized as reasonable." 
    Skinner, 489 U.S. at 616-17
    . Therefore, such analyses often qualify as
    a search under the Fourth Amendment. 
    Id. at 618
    (concluding
    that "the collection and subsequent analysis of the requisite
    biological [blood and urine] samples must be deemed Fourth
    Amendment searches"). Similarly, an analysis required to
    obtain a DNA profile, like the chemical analysis of blood and
    urine at issue in Skinner, generally qualifies as a search,
    because an individual retains a legitimate expectation of pri-
    vacy in the information obtained from the testing. See, e.g.,
    United States v. Mitchell, 
    652 F.3d 387
    , 407 (3d Cir. 2011)
    (en banc) (after discussing the Fourth Amendment search that
    UNITED STATES v. DAVIS                   29
    occurs when a DNA sample is collected directly from a per-
    son’s body, discussing separately "[t]he second ‘search’ at
    issue," which was, "of course, the processing of the DNA
    sample and creation of the DNA profile for CODIS. This
    search also has the potential to infringe upon privacy inter-
    ests.").
    By contrast, in Edwards, the analysis at issue examined
    paint chips found in the defendant’s clothing, which did not
    implicate the privacy concerns inherent in the use of physio-
    logical and medical information obtained from DNA analysis
    that was addressed in Skinner. See 
    Edwards, 415 U.S. at 801
    -
    02. Thus, in the present case, while Davis may not have had
    any expectation of privacy in the outward appearance of the
    clothing once it was in police custody, we nevertheless must
    consider the type of analysis conducted on that clothing to
    determine whether Davis retained a reasonable expectation of
    privacy in his DNA on the clothing, or in the DNA profile
    obtained from it.
    The district court concluded that Edwards is inapplicable
    here because, unlike the defendant’s clothing in Edwards,
    Davis’ clothing was not seized pursuant to his arrest on the
    drug charges, but was seized before his arrest when his status
    was that of a reported crime victim. As noted by the district
    court, to allow the testing and retention of DNA profiles from
    any evidence lawfully obtained by police could expose a vic-
    tim of a crime whose blood, or other material from which
    DNA could be obtained, to having his or her DNA extracted
    and retained indefinitely in a law enforcement database. The
    district court reasoned:
    Taken to its logical extreme, the application of
    Edwards and its progeny to the instant case would
    mean that any citizen whose blood finds its way into
    lawful police custody as a result of victimization
    (e.g., child abuse, sexual assault and domestic vio-
    lence victims, etc.), would then lose any expectation
    30                  UNITED STATES v. DAVIS
    of privacy in the DNA markers in that blood, which
    could be used against him or her at a later date with-
    out the constitutional safeguard that a warrant sup-
    ported by probable cause first be issued.
    
    Id. at 647.
    It was on this basis, the distinction between the
    DNA of a victim and an arrestee, that the district court found
    Edwards inapplicable.
    Although we are not faced here with the full range of
    potential problems identified by the district court, we agree
    with the district court that a person who is solely a crime vic-
    tim does not lose all reasonable expectation of privacy in his
    or her DNA material simply because it has come into the law-
    ful possession of the police. And, although Davis later was
    arrested, because the police seized his clothing when he was
    solely a crime victim, we conclude that his later arrest does
    not eradicate his expectation of privacy in his DNA material.
    Our conclusion that Davis’ status as a victim materially dis-
    tinguishes the present case from Edwards is supported by our
    precedent and by decisions of our sister circuits. These deci-
    sions, in addressing whether, and under what circumstances,
    the Constitution allows the collection of DNA samples, uni-
    formly recognize that persons who have not been arrested
    have a greater privacy interest in their DNA than would per-
    sons who have been arrested, such as the arrestee in Edwards.
    First, our decision in Jones v. Murray, 
    962 F.2d 302
    (4th
    Cir. 1992), is instructive. There, we rejected a Fourth Amend-
    ment challenge to a Virginia law that required convicted fel-
    ons in custody to submit blood samples for DNA analysis. We
    concluded that the identification of a person arrested upon
    probable cause "becomes a matter of legitimate state interest
    and he can hardly claim privacy in it." 
    Id. at 306.
    Addition-
    ally, we recognized that "we do not accept even [a] small
    level of intrusion, [such as fingerprinting] for free persons
    without Fourth Amendment constraint." 
    Id. at 306-07
    (citing
    UNITED STATES v. DAVIS                   31
    Davis v. Mississippi, 
    394 U.S. 721
    , 727 (1969)). Thus, we
    emphasized that a court’s constitutional analysis may differ
    depending on whether the person is an arrestee or a "free per-
    son."
    Our sister circuits, in upholding DNA collection statutes
    against Fourth Amendment challenges, likewise have recog-
    nized that the status of an individual whose DNA is sought is
    material to the issue whether he had a reasonable expectation
    of privacy in that DNA. In Mitchell, for example, the Third
    Circuit sitting en banc upheld the suspicionless collection of
    DNA samples from arrestees principally on the basis that the
    fingerprinting of arrestees did not violate the Fourth Amend-
    
    ment. 652 F.3d at 411
    (citing Hayes v. Florida, 
    470 U.S. 811
    ,
    813-18 (1985) and 
    Davis, 394 U.S. at 727
    ); see also 
    Mitchell, 652 F.3d at 402
    & n.13 (collecting authority and noting that
    "[e]very federal circuit court to have considered [the federal
    DNA Act and its state law analogues] as applied to an indi-
    vidual who has been convicted and is either incarcerated or on
    probation, parole, or supervised release has upheld the consti-
    tutionality of the challenged statute"). Additionally, in United
    States v. Kincade, 
    379 F.3d 813
    (9th Cir. 2004) (en banc), a
    plurality of the Ninth Circuit held that the federal DNA act
    requiring the collection of DNA samples from convicted fel-
    ons was constitutional. 
    See 379 F.3d at 835-36
    (O’Scannlain,
    J., plurality opinion) (noting "the obvious and significant dis-
    tinction between the DNA profiling of law-abiding citizens
    who are passing through some transient status (e.g., new-
    borns, students, passengers in a car or on a plane) and law-
    fully adjudicated criminals whose proven conduct
    substantially heightens the government’s interest in monitor-
    ing them and quite properly carries lasting consequences that
    simply do not attach from the simple fact of having been born,
    or going to public school, or riding in a car"); see also Green
    v. Berge, 
    354 F.3d 675
    , 678-79 (7th Cir. 2004) (rejecting
    Fourth Amendment challenge to law requiring DNA samples
    from felons and contrasting felons from persons not otherwise
    in custody); 
    id. at 679-81
    (Easterbrook, J., concurring) (con-
    32                  UNITED STATES v. DAVIS
    stitutional challenges to DNA–collection statutes differ
    depending on the status of the person whose DNA is being
    collected, and noting that "[t]his appeal does not present the
    question whether DNA could be collected forcibly from the
    general population").
    Unlike the cases cited immediately above, however, which
    concerned parolees, persons on supervised release, convicted
    felons, or arrestees, the HCPD had possession of Davis’ DNA
    because he was the victim of a crime. Thus, the above cases
    inferentially provide support for Davis’ position, because they
    all distinguish an arrestee or one convicted of a crime from
    members of the general public at large.
    These cases, however, do not directly answer the question
    before us, because they involved challenges to the collection
    of DNA samples, and not, as here, a challenge to the extrac-
    tion of DNA or retention of a DNA profile when the police
    already had lawful possession of the DNA sample. And, for
    the same reason, these cases do not eliminate any consider-
    ation of Edwards in circumstances like these. But see United
    States v. Weikert, 
    504 F.3d 1
    , 16-17 (1st Cir. 2007) (suggest-
    ing that "it may be time to reexamine the proposition that an
    individual no longer has any expectation of privacy in infor-
    mation seized by the government so long as the government
    has obtained that information lawfully. . . . In short, there may
    be a persuasive argument on different facts that an individual
    retains an expectation of privacy in the future uses of her
    DNA profile").
    Nevertheless, we are persuaded by the Supreme Court’s
    analysis in Skinner, as applied in Mitchell and other cases in
    the context of DNA, that the extraction of DNA and the cre-
    ation of a DNA profile result in a sufficiently separate inva-
    sion of privacy that such acts must be considered a separate
    search under the Fourth Amendment even when there is no
    issue concerning the collection of the DNA sample. See
    
    Mitchell, 652 F.3d at 407
    (citing United States v. Sczubelek,
    UNITED STATES v. DAVIS                   33
    
    402 F.3d 175
    , 182 (3d Cir. 2005) (citing 
    Skinner, 489 U.S. at 616
    )).
    Based on the foregoing, we conclude that the holding in
    Edwards does not give a law enforcement agency carte
    blanche to perform DNA extraction and analysis derived from
    clothing lawfully obtained from the victim of a crime in rela-
    tion to the investigation of other crimes. Instead, a victim
    retains a privacy interest in his or her DNA material, even if
    it is lawfully in police custody. Therefore, we conclude that
    the extraction of Davis’ DNA sample from his clothing and
    the creation of his DNA profile constituted a search for Fourth
    Amendment purposes.
    We turn to consider whether a separate search occurred
    when the PGCPD retained Davis’ DNA profile in the local
    CODIS database after the profile did not implicate him in the
    Neal murder. Our sister circuits do not appear to be uniformly
    settled on the question whether such entry of a DNA profile
    into this type of database is a search entitled to Fourth
    Amendment protection. Compare, e.g., Boroian v. Mueller,
    
    616 F.3d 60
    , 67-68 (1st Cir. 2010) (concluding that the reten-
    tion and later matching of a lawfully obtained DNA profile is
    not a search for Fourth Amendment purposes and collecting
    authority for the same) with United States v. Amerson, 
    483 F.3d 73
    , 85 (2d Cir. 2007) (in addition to the collection of the
    DNA sample from a probationer, determining that "[t]here is
    . . . a second and potentially much more serious invasion of
    privacy occasioned by the DNA Act" because the "analysis
    and maintenance of [offenders’] information in CODIS . . . is,
    in itself, a significant intrusion") (citation omitted) and Kin-
    
    cade, 379 F.3d at 841-42
    (en banc) (Gould, J., concurring)
    (suggesting the retention of a lawfully obtained DNA profile
    once a person has "fully paid his or her debt to society" and
    "left the penal system" would implicate the person’s privacy
    interest).
    34                      UNITED STATES v. DAVIS
    These differing conclusions illustrate the fact that at least
    some courts have concluded that once a DNA profile has been
    lawfully obtained and entered into CODIS, the retention of
    that profile and "periodic matching of the profile against other
    profiles in CODIS for the purpose of identification[,]" is not
    a search because it does not intrude upon an offender’s legiti-
    mate expectation of privacy. 
    Boroian, 616 F.3d at 67-68
    (so
    holding and citing other authority for the same).25 Other
    courts, at least in principle, have left open the possibility that
    an unrelated examination after DNA retention could be a sep-
    arate search for Fourth Amendment purposes. See, e.g., Amer-
    
    son, 483 F.3d at 85
    n.12.
    We need not choose among these competing principles in
    this case because, as discussed in the next section, we con-
    clude that the extraction and initial testing of Davis’ profile
    was an unreasonable Fourth Amendment search. Accordingly,
    for purposes of this opinion, we will assume, without decid-
    ing, that Davis had a continuing right of privacy in his DNA
    profile, and that a search occurred in the retention of that pro-
    file. We now turn to consider the issue whether the two
    searches were reasonable.
    25
    The Boroian court relies on Amerson as a case supporting this princi-
    
    ple. 616 F.3d at 68
    . However, a careful reading of Amerson reflects that
    the Second Circuit found a reasonable expectation of privacy in the reten-
    tion of a DNA profile in CODIS, and periodic matching of the profile, 
    see 483 F.3d at 85
    n.12, 86, but ultimately concluded that the search was justi-
    fied under the special needs test. 
    Id. at 86-87
    (upholding the federal DNA
    Act against Fourth Amendment challenges and "acknowledg[ing] that the
    DNA profile of appellants will be stored in CODIS, and potentially used
    to identify them, long after their status as probationers—and the reduced
    expectation of privacy that such a status involves—has ended," but con-
    cluding that fact did not "change[ ] the ultimate analysis.")
    UNITED STATES v. DAVIS                            35
    3.
    Whether the Searches Were Reasonable Under the Fourth
    Amendment?
    As noted above, not every warrantless search violates the
    Fourth Amendment. Instead, a Fourth Amendment violation
    occurs when a warrantless search is unreasonable. See Skin-
    
    ner, 489 U.S. at 619
    . Courts have employed several different
    approaches in assessing reasonableness.26 With regard to
    searches in which there is an absence of individualized suspi-
    cion, the "general Fourth Amendment approach" is to "exam-
    ine the totality of the circumstances" to determine whether a
    search is reasonable. Samson v. California, 
    547 U.S. 843
    , 848
    (2006). Under this approach, the reasonableness of a search
    "is determined by assessing, on the one hand, the degree to
    which it intrudes upon an individual’s privacy and, on the
    other, the degree to which it is needed for the promotion of
    legitimate governmental interests." 
    Id. (citation and
    internal
    quotation marks omitted).
    26
    Even in cases where a person is subject to some type of criminal
    charge or restraint, there are varying viewpoints regarding the proper
    approach and its application. In the Ninth Circuit’s Kincade case, which
    was heard en banc, a five-member plurality voted to uphold the federal
    DNA Act against a Fourth Amendment challenge and employed a totality
    of the circumstances 
    test. 379 F.3d at 832
    (en banc) (O’Scannlain, J., plu-
    rality opinion). Judge Gould, concurring in the result, voted to uphold the
    Act, but would have applied the "special needs" analysis. 
    Id. at 840
    (Gould, J., concurring). Five dissenting judges would have found a Fourth
    Amendment violation, but would have employed different approaches. See
    
    id. at 842-76
    (dissenting opinions); see also 
    id. at 830-31
    (O’Scannlain, J.,
    plurality opinion) (collecting authority and comparing cases which have
    applied a special needs test in the context of DNA profile collection and
    cases which have applied a "totality of the circumstances" balancing test);
    
    Mitchell, 652 F.3d at 403
    n.15 (noting that only the Second and Seventh
    Circuits have consistently held that the special needs test should apply in
    addressing the constitutionality of a DNA indexing statute and concluding
    that the totality of the circumstances is the proper test).
    36                  UNITED STATES v. DAVIS
    For example, in United States v. Knights, 
    534 U.S. 112
    (2001), the Supreme Court applied the totality of the circum-
    stances approach in upholding the search of a probationer’s
    apartment based on the presence of "reasonable suspicion,"
    but in the absence of probable cause. 
    Id. at 118,
    121. Simi-
    larly, in Samson, the Court upheld a suspicionless search of
    a parolee applying the same 
    approach. 547 U.S. at 846
    .
    Courts also have applied a "special needs" analysis in cer-
    tain circumstances to uphold contested searches. See Griffin
    v. Wisconsin, 
    483 U.S. 868
    (1987); 
    Kincade, 379 F.3d at 823
    -
    832 (en banc) (O’Scannlain, J., plurality opinion) (describing
    development of the special needs doctrine and various
    Supreme Court cases utilizing it). The special needs doctrine
    allows warrantless searches "where a Fourth Amendment
    intrusion serves special governmental needs, beyond the nor-
    mal need for law enforcement" and "when balancing the indi-
    vidual’s privacy expectations against the government’s
    interests leads to the determination that it is ‘impractical to
    require a warrant or some level of individualized suspicion in
    the particular context.’" United States v. Rendon, 
    607 F.3d 982
    , 989 (4th Cir. 2010) (quoting Von 
    Raab, 489 U.S. at 665
    -
    66) (emphasis in Rendon)).
    The district court found here that the special needs doctrine
    was inapplicable, because "the governmental interest in this
    case cannot be characterized as anything other than an ordi-
    nary interest in law enforcement." Davis, 
    657 F. Supp. 2d
    at
    651. Thus, the district court employed the totality of the cir-
    cumstances test. Applying that test, the district court found
    the extraction of Davis’ DNA in conjunction with the Neal
    murder investigation was "reasonable." 
    Id. at 654.
    On appeal, Davis argues that the totality of the circum-
    stances test is not applicable, because it applies only when a
    person being searched has "substantially diminished privacy
    rights." (Appellant’s Br. 53.) Instead, Davis argues that noth-
    ing less than a warrant and probable cause would have
    UNITED STATES v. DAVIS                          37
    allowed the testing and retention of his DNA profile. Davis
    further argues that, even if the totality of the circumstances
    test were applicable, the district court applied the test incor-
    rectly. The government also argues that the district court erred
    in applying the totality of the circumstances test because, in
    the government’s view, Edwards resolves the issue against
    Davis.27
    We begin this part of our analysis by restating our conclu-
    sion that the holding in Edwards is not dispositive of the mat-
    ter under the unique facts before us, and that Davis retained
    a reasonable expectation of privacy in his DNA profile. We
    also consider as part of our analysis the fact that Davis’
    expectation of privacy may have been diminished to some
    degree because Davis knew that the police had retained his
    clothing, yet had taken no action to retrieve his personal
    effects following his release. Thus, we analyze the reason-
    ableness of the searches here under the "totality of the circum-
    stances test."28 Our employment of this test is consistent with
    the decisions of most of our sister circuits, which have applied
    the test in cases where there was a diminished expectation of
    privacy. See 
    Mitchell, 652 F.3d at 403
    n.15 (noting that only
    the Second and Seventh Circuits have consistently held that
    the "special needs" test should apply instead of the totality of
    the circumstances test in addressing the constitutionality of a
    DNA indexing statute).
    27
    In an alternative argument as to why the retention of Davis’ DNA pro-
    file does not constitute a separate search, the government contends that
    once the district court had determined there was no Fourth Amendment
    violation in the extraction and testing of Davis’ DNA from his clothing as
    part of the Neal investigation, Davis no longer had any expectation of pri-
    vacy in the DNA profile. (Appellee’s Br. at 50-51 (citing Johnson v.
    Quander, 
    440 F.3d 489
    , 498-99 (D.C. Cir. 2006) and state court opin-
    ions).)
    28
    Neither party argues for the application of the "special needs" test
    here. We also conclude it should not apply here because it applies in con-
    texts "beyond the normal need for law enforcement," 
    Rendon, 607 F.3d at 989
    , and only normal law enforcement interests are involved here.
    38                  UNITED STATES v. DAVIS
    Applying the totality of the circumstances test here requires
    us to "assess[ ], on the one hand, the degree to which [the
    search] intrudes upon [Davis’] privacy, and, on the other, the
    degree to which it is needed for the promotion of legitimate
    governmental interests." 
    Knights, 534 U.S. at 119
    . When con-
    sidering the magnitude of the intrusion upon Davis’ privacy,
    we think it very significant that these DNA searches were
    conducted in 2004, at a time when Davis was a free citizen
    and had never been convicted of a felony. The PGCPD
    extracted Davis’ DNA from his clothing, created Davis’ DNA
    profile, and checked that profile against evidence on the
    CODIS database, all while Davis was a free citizen who
    retained a reasonable privacy interest in his DNA sample and
    DNA profile, as we have discussed. However, his privacy
    interest was diminished to a degree by the fact that he knew
    that the police had retained his bloody clothing, and yet did
    nothing to retrieve the clothing or otherwise claim ownership
    in it.
    In contrast to many DNA privacy cases, the privacy interest
    in Davis’ bodily integrity was not implicated when police
    obtained the DNA sample, because it was taken from his
    clothing, rather than from his person. This too is a factor that
    we must consider under the totality of the circumstances. See
    e.g., 
    Mitchell, 652 F.3d at 404
    (weighing the "minimal" intru-
    sion of privacy caused by DNA sample collection by blood
    test); 
    Jones, 962 F.2d at 307
    (weighing "minor intrusion"
    caused by DNA sample collection by blood test).
    We next turn to consider the government’s interest in con-
    ducting the search. The police, of course, have a strong and
    important interest in apprehending and prosecuting those who
    have committed violent crimes, like the Neal murder and the
    murder of Schwindler in this case. The government also has
    a legitimate interest in entering and maintaining information
    in CODIS and in increasing the number of entries in CODIS
    to improve its efficacy as a crime-solving tool. See Haskell v.
    Harris, 
    669 F.3d 1049
    , 1062 (9th Cir. 2012), reh’g en banc
    UNITED STATES v. DAVIS                    39
    granted, 
    2012 WL 3038593
    (July 25, 2012) (upholding Cali-
    fornia law requiring police to collect DNA samples from all
    adult felony arrestees and citing the government’s four "key
    interests": "identifying arrestees, solving past crimes, prevent-
    ing future crimes, and exonerating the innocent").
    In balancing these competing interests to determine the rea-
    sonableness of the searches at issue, we are guided by the
    weighty reasons underlying the warrant requirement: to allow
    a detached judicial officer to decide "[w]hen the right of pri-
    vacy must reasonably yield to the right of search," and not "a
    policeman or Government enforcement agent." Johnson v.
    United States, 
    333 U.S. 10
    , 13-14 (1948) (quoted in Davis,
    
    657 F. Supp. 2d
    at 653.) The right protected is "a right of per-
    sonal security against arbitrary intrusions by official power."
    Coolidge v. New Hampshire, 
    403 U.S. 443
    , 455 (1971). The
    importance of the judge or magistrate in the process is why
    the exceptions to the warrant requirement are "jealously and
    carefully drawn." 
    Id. The potential
    for arbitrary intrusions of one’s privacy from
    warrantless searches in cases involving felons, parolees, or
    arrestees is mitigated by the fact that officials are required to
    collect from everyone in that certain group of persons. They
    cannot selectively choose which persons within a particular
    group must submit a DNA sample. See, e.g., 
    Mitchell, 652 F.3d at 415
    (the search is further rendered reasonable because
    "there is no room for law enforcement officials to exercise (or
    abuse) discretion by deciding whether or not to collect a DNA
    sample"); 
    Amerson, 483 F.3d at 82
    ("[T]he programmatic
    nature of the 2004 DNA Act—all felons are required to sub-
    mit DNA samples, and the uses of those samples are strictly
    circumscribed—leaves no discretion for law enforcement per-
    sonnel to decide whether to force an individual to submit to
    a taking of a DNA sample or how to use the information col-
    lected. This lack of discretion removes a significant reason for
    warrants—to provide a check on the arbitrary use of govern-
    ment power. See 
    Skinner, 489 U.S. at 621-22
    .").
    40                      UNITED STATES v. DAVIS
    In this case, by contrast, Davis’ DNA was specifically
    sought as a result of police suspicions that he was involved in
    the Neal murder, and based on some quantum of proof
    amounting to less than probable cause. Indeed, the parties’
    briefs and the record before us are devoid of any factual basis
    for concluding that Davis was involved in the Neal murder.
    Thus, the precise concern that the warrant requirement was
    designed to alleviate is plainly before us here. That fact alone
    severely diminishes the reasonableness of the search. Thus,
    our comparison of the respective interests leads us to con-
    clude that the government’s extraction of Davis’ DNA sample
    from his clothing and creation of his DNA profile for testing
    in the Neal murder investigation constituted unreasonable
    searches under the Fourth Amendment.
    Lastly, we assume, without deciding, that the entry and
    retention of Davis’ profile into the CODIS database under
    these circumstances was also unreasonable under the Fourth
    Amendment, because the police only had Davis’ DNA profile
    as a result of a Fourth Amendment violation resulting from
    the extraction and testing of his DNA profile against the DNA
    in the Neal investigation.
    The conclusion that Fourth Amendment violations occurred
    does not end our inquiry, however. Instead, as we discuss
    next, we conclude that the exclusionary rule should not be
    applied to remedy these violations.29
    29
    Subsequent to briefing and argument in this case, the Maryland Court
    of Appeals upheld an as-applied constitutional challenge to a portion of
    the Maryland DNA Collection Act (enacted several years after the events
    in the case at bar) that authorizes the warrantless collection and uploading
    of certain arrestees’ DNA into the Maryland DNA database. See King v.
    State, 
    42 A.3d 549
    (Md. 2012). (The mandate in King, however, has been
    stayed pending the Supreme Court’s ruling on the state’s petition for cer-
    tiorari. See, Maryland v. King, ___ S. Ct. ___, 
    2012 WL 3064878
    (July
    20, 2012)). The King court, as we have, utilized a "totality of the circum-
    stances" test to determine whether the search at issue was reasonable.
    UNITED STATES v. DAVIS                            41
    IV.
    The "Good Faith" Exception to the Remedy of Suppression
    Having determined that there was a Fourth Amendment
    violation in the extraction and testing of Davis’ DNA profile,
    and having assumed, but not decided, there was a second vio-
    lation in the retention of his profile, we address whether sup-
    pression is the proper remedy. 
    Leon, 468 U.S. at 906
    ("Whether the exclusionary sanction is appropriately imposed
    in a particular case . . . is an issue separate from the question
    whether the Fourth Amendment rights of the party seeking to
    invoke the rule were violated by police conduct.") (citation
    and internal quotation marks omitted). As noted, the district
    court concluded that suppression was not warranted because
    the "good faith" exception to the exclusionary rule was appli-
    cable. For the reasons discussed below, we agree.
    The Supreme Court articulated the "good faith" exception
    to the exclusionary rule in 
    Leon, 468 U.S. at 920
    . In that case,
    the Court refused to apply the exclusionary rule where police
    We note, however, that the ultimate conclusion of the King Court does
    not alter our analysis. First, the case is factually distinguishable. Not only
    did it involve a portion of Maryland’s DNA statute not in effect at the time
    of events in the case at bar, but it involved the taking of a DNA swab from
    an arrestee, rather than the creation of a DNA profile from a victim’s DNA
    sample already lawfully in police possession. Second—and significant-
    ly—the King Court did not address at all the application of the good faith
    exception, nor is there any indication in the opinion that it was asked to
    do so.
    Since the question is not before us, we express no opinion on the King
    Court’s conclusion, although we note that it is contrary to decisions by the
    Third and Ninth Circuits. See, e.g, supra at 31-32, 38-39 (citing Haskell
    v. Harris, 
    669 F.3d 1049
    , 1062 (9th Cir. 2012), reh’g en banc granted,
    
    2012 WL 3038593
    (July 25, 2012) and United States v. Mitchell, 
    652 F.3d 387
    , 407 (3d Cir. 2011) (en banc), both of which upheld statutes requiring
    the collection of DNA from arrestees).
    42                  UNITED STATES v. DAVIS
    properly executed a search warrant, but it was later deter-
    mined the issuing magistrate had erred as the warrant lacked
    probable cause. 
    Id. at 922.
    The Supreme Court has also
    applied the "good faith" exception to warrantless administra-
    tive searches performed in good-faith reliance on a statute
    later declared unconstitutional, Illinois v. Krull, 
    480 U.S. 340
    (1987), and to an arrest by police who reasonably relied on
    erroneous information, entered by a court employee into a
    court database, that an arrest warrant was outstanding, Ari-
    zona v. Evans, 
    514 U.S. 1
    , 14 (1995).
    The Supreme Court’s recent decisions applying the excep-
    tion have broadened its application, and lead us to conclude
    that the Fourth Amendment violations here should not result
    in the application of the exclusionary rule. See 
    Herring, 555 U.S. at 135
    ; Davis v. United States, ___ U.S. ___, 
    131 S. Ct. 2419
    (2011).
    In both Herring, and Davis, the Supreme Court emphasized
    the crucial role that deterrence plays in determining whether
    to apply the exclusionary rule. Specifically, "the benefits of
    deterrence must outweigh the costs." 
    Herring, 555 U.S. at 141
    (citing 
    Leon, 468 U.S. at 910
    (1984)). That is, courts must
    weigh the deterrent effect of applying the rule against the cost
    to society. The "principal cost of applying the rule is, of
    course, letting guilty and possibly dangerous defendants go
    free—something that ‘offends basic concepts of the criminal
    justice system.’" 
    Id. at 141
    (quoting 
    Leon, 468 U.S. at 908
    ).
    In determining the deterrent effect of applying the rule, the
    Herring Court explained that the deterrent effect is higher
    where law enforcement conduct is more culpable. Thus, "‘an
    assessment of the flagrancy of the police misconduct consti-
    tutes an important step in the calculus’ of applying the exclu-
    sionary rule." 
    Id. at 143
    (quoting 
    Leon, 468 U.S. at 911
    ).
    The Herring Court explained that the rule should not be
    applied where excluding the evidence would have little deter-
    UNITED STATES v. DAVIS                    43
    rent effect on future constitutional violations by law enforce-
    ment officers, and the cost to society of such a rule is high.
    
    Id. at 147-148
    (concluding that "when police mistakes are the
    result of negligence such as that described here, rather than
    systemic error or reckless disregard of constitutional require-
    ments, any marginal deterrence does not ‘pay its way’" and
    the exclusionary rule should not be applied).
    In Herring, the mistake made by police was that a police
    department in Dale County, Alabama told the neighboring
    Coffee County police that the defendant had an outstanding
    arrest warrant in Dale County. 
    Id. at 137
    -38. In fact, the Dale
    County arrest warrant had been recalled five months earlier,
    but had never been deleted from the electronic database. 
    Id. at 138.
    After being given the incorrect information that the
    warrant was outstanding, a Coffee County police officer
    detained Herring, and found drugs and a gun on his person.
    
    Id. Herring sought
    to exclude the evidence seized from his
    person. 
    Id. at 137
    .
    The majority distinguished the negligent conduct involved
    in Herring from earlier cases where the good faith exception
    did not apply, calling the error before it the "result of isolated
    negligence attenuated from the arrest." 
    Id. at 137
    .
    More recently, the Supreme Court followed the Herring
    analysis in Davis, 
    131 S. Ct. 2419
    , where the Court consid-
    ered "whether to apply [the exclusionary rule] when the police
    conduct a search in compliance with binding precedent that is
    later overruled." 
    Id. at 2423.
    The Court ruled that the exclu-
    sionary rule should not be applied in those circumstances,
    "[b]ecause suppression would do nothing to deter police mis-
    conduct . . . and because it would come at a high cost to both
    the truth and the public safety." 
    Id. In so
    ruling, the Court
    again expounded on the balancing test that courts must apply
    after finding a Fourth Amendment violation: "For exclusion
    to be appropriate, the deterrence benefits of suppression must
    outweigh its heavy costs." 
    Id. at 2427
    (citing Herring, 555
    44                  UNITED STATES v. DAVIS
    U.S. at 141, and 
    Leon, 468 U.S. at 910
    ). Justice Alito, writing
    for the Court, elaborated:
    The basic insight of the Leon line of cases is that the
    deterrence benefits of exclusion vary with the culpa-
    bility of the law enforcement conduct at issue. When
    the police exhibit deliberate, reckless, or grossly
    negligent disregard for Fourth Amendment rights,
    the deterrent value of exclusion is strong and tends
    to outweigh the resulting costs. But when the police
    act with an objectively reasonable good-faith belief
    that their conduct is lawful, or when their conduct
    involves only simple, isolated negligence, the deter-
    rence rationale loses much of its force and exclusion
    cannot pay its way.
    
    Davis, 131 S. Ct. at 2427-28
    (internal citations, quotation
    marks and brackets omitted).
    The Davis Court also reviewed the line of "good faith
    exception" cases, starting with Leon, concluding that "in 27
    years of practice under Leon’s good-faith exception, we have
    ‘never applied’ the exclusionary rule to suppress evidence
    obtained as a result of nonculpable, innocent police conduct."
    
    Id. at 2429
    (quoting 
    Herring, 555 U.S. at 144
    .)
    Indeed, the Davis Court focused on the issue of culpability
    as the decisive factor in the case before it:
    Under our exclusionary-rule precedents, this
    acknowledged absence of police culpability dooms
    Davis’ claim. Police practices trigger the harsh sanc-
    tion of exclusion only when they are deliberate
    enough to yield "meaningfu[l]" deterrence, and cul-
    pable enough to be "worth the price paid by the jus-
    tice system." 
    Herring, 555 U.S. at 144
    . The conduct
    of the officers here was neither of these things. The
    officers who conducted the search did not violate
    UNITED STATES v. DAVIS                    45
    Davis’s Fourth Amendment rights deliberately, reck-
    lessly, or with gross negligence. See 
    ibid. Nor does this
    case involve any "recurring or systemic negli-
    gence" on the part of law enforcement. 
    Ibid. Davis, 131 S. Ct.
    at 2428.
    In order to properly apply Leon, Herring, and Davis here,
    we must focus on the culpability of the actors who committed
    the violations. The government mistakenly argues that we
    should focus on the conduct and "good faith" of PGCPD
    Detective Blazer, who, based on the cold hit, obtained the
    warrant for Davis’ known DNA. It is true that nothing in the
    record suggests that Detective Blazer engaged in any culpa-
    ble, or even negligent, conduct. He relied in good faith on the
    cold hit obtained and followed proper procedures in getting a
    search warrant based on it. There is nothing to suggest that his
    conduct was improper or that he had any obligation to look
    behind the cold hit match to see if there was some earlier con-
    stitutional violation.
    But the deterrent effect of the exclusionary rule must be
    judged at the point of the constitutional violation, and the cul-
    pability of the actors involved then. The pertinent inquiry is
    whether we apply the exclusionary rule to keep similar viola-
    tions from happening again; here, to prevent and deter the
    warrantless extraction of a victim’s DNA from materials law-
    fully in police custody when he later becomes a suspect and
    then to deter that DNA profile from being retained. Thus, we
    look at the culpability of the police officers involved in those
    decisions, not at Detective Blazer.
    As to the first violation, the extraction and testing of Davis’
    DNA in connection with the Neal murder, we find nothing in
    the conduct of the PGCPD officers that would warrant exclu-
    sion. As an initial matter, the PGCPD officers had no reason
    to question that Davis’ blood was lawfully within HCPD cus-
    46                   UNITED STATES v. DAVIS
    tody and indeed, we have concluded that the clothing was
    properly in police custody.
    Although we do not have detailed testimony before us as to
    the subjective motivations of the PGCPD officers who
    obtained the clothing and requested it be tested, the unique
    facts of this case reflect, at most, isolated negligence. What
    the officers did here was to obtain clothing that was lawfully
    in police custody and to test it for evidence. Significantly, the
    only reason they knew of the clothing’s existence was
    because of Davis’ arrest on drug charges when he left the
    hospital in Howard County. Had the clothing been obtained
    initially because of his arrest (like the other items on the prop-
    erty form), Edwards and Wallace v. State, 
    816 A.2d 883
    (Md.
    2003), a Maryland Court of Appeals decision applying
    Edwards, likely would have permitted the testing. Thus, attri-
    buting culpability to the officers at this stage would be based
    on either: (1) their failure to learn, or recognize, that the cloth-
    ing was in police custody because Davis was a victim, rather
    than an arrestee; or (2) assuming they did know the clothing
    had been seized from a crime victim, their failure to recognize
    that Davis’ dual status as victim and arrestee might change the
    legal analysis set forth in Edwards and Wallace. This is sim-
    ply not the type of "flagrant," or "intentional . . . patently
    unconstitutional" conduct that warrants the application of the
    exclusionary rule. See 
    Herring, 555 U.S. at 143-44
    . The con-
    duct of PGCPD officers, in testing the blood contained on
    otherwise lawfully-seized clothing, does not constitute the
    type of "deliberate, reckless or grossly negligent" conduct that
    warrants exclusion. See 
    id. at 144.
    As the Herring Court
    explained, "[a]n error that arises from nonrecurring and atten-
    uated negligence is thus far removed from the core concerns
    that led us to adopt the rule in the first place." 
    Id. The dissent’s
    mantra of "deliberate and intentional" police
    conduct at each step in the factual scenarios here, see post at
    93, does not alter the facts as we have set them forth or the
    proper analysis to be applied to them. To be sure, the police
    UNITED STATES v. DAVIS                          47
    took the steps that they did deliberately and intentionally in
    the sense that their actions were not accidental. But for the
    reasons we explain, one could insert "innocently" or "without
    knowledge of any constitutional violation," before each of
    those actions.
    Likewise, as to any violation that occurred when the analyst
    entered Davis’ DNA profile into the database after he was not
    a match in the Neal murder investigation, the record simply
    does not disclose anything that suggests that this action was
    anything other than an isolated, negligent incident at best.
    There is nothing, first of all, to show that the analyst here
    knew or should have known entering the data would violate
    the Fourth Amendment. Indeed, the many court decisions
    (including this Court’s decision in Jones), that have consid-
    ered challenges to the use of DNA evidence have uniformly
    upheld statutes and other laws allowing the collection and
    testing of DNA evidence.
    Additionally, while the paperwork accompanying Davis’
    clothing indicated that it came from a victim’s clothing (J.A.
    164, Supp. J.A. 76), it is not at all clear that the analyst actu-
    ally knew anything other than that the evidence came from a
    "suspect in a shooting." (Supp. J.A. 93.) Similar to Leon and
    Herring, where officers relied on records from others in law
    enforcement, the PGCPD officers were relying on the fact that
    the HCPD had lawfully obtained the evidence. Indeed, while
    we rejected the government’s broad construction of Edwards
    based on the fact that Davis was a victim when police seized
    his clothing, courts have repeatedly held, in broad terms, that
    evidence lawfully seized by one police agency may be given
    to another, even for a different purpose and even for addi-
    tional testing.30
    30
    See, e.g., 
    Wallace, 816 A.2d at 896-97
    (collecting cases); Williams v.
    Commonwealth, 
    527 S.E.2d 131
    , 136 (Va. 2000) (holding that defendant
    had no expectation of privacy in boots that were seized incident to his
    arrest and thus that "later examination of the property by another law
    48                     UNITED STATES v. DAVIS
    So, while we have determined for purposes of this opinion
    that Edwards did not allow the testing because Davis, as a
    victim, retained an objectively reasonable expectation of pri-
    vacy in his DNA, that does not mean that the PGCPD officers
    and DNA analyst were not acting in a good faith belief that
    they had authority to do that testing under Edwards and simi-
    lar cases.
    Additionally, there is no evidence before this Court that the
    retention of a DNA profile in circumstances like that of
    Davis, is a systemic or recurring problem. The dissent dis-
    agrees, relying heavily on what it describes as an "admission"
    of the government at oral argument that the constitutionally
    violative conduct here was "clearly systemic." See post at 90.
    In our view, that reliance is misplaced. At oral argument, in
    response to questioning, counsel for the government briefly
    set forth the basic PGCPD policy or practice that the analyst
    was following.31 Specifically, counsel explained that if a piece
    enforcement official [with a different department] does not violate the
    Fourth Amendment", even if being examined for a different charge than
    the charge for which he was arrested); United States v. Turner, 
    28 F.3d 981
    , 983 (9th Cir. 1994) (removal of defendant’s cap from jail by postal
    inspector without a warrant was proper since it remained in the possession
    of the police); United States v. Thompson, 
    837 F.2d 673
    , 674 (5th Cir.
    1988) ("A person lawfully arrested has no reasonable expectation of pri-
    vacy with respect to property properly taken from his person for inventory
    by the police. Later examination of that property by another law-
    enforcement officer is, therefore, not an unreasonable search within the
    meaning of the Fourth Amendment."); United States v. Johnson, 
    820 F.2d 1065
    , 1072 (9th Cir. 1987) (money seized by state authorities upon defen-
    dant’s arrest for driving under the influence could be later reviewed by a
    federal agent to obtain serial numbers in a robbery investigation without
    a warrant); United States v. Jenkins, 
    496 F.2d 57
    (2d Cir. 1974) (relying
    on Edwards to conclude there was no Fourth Amendment violation where
    a federal agent took "second look" and seized without a warrant money
    that had been taken from the defendant following his arrest on unrelated
    state charges and maintained in the jail safe).
    31
    Counsel prefaced her comments by referencing the policy at the time
    Davis’ profile was uploaded. The record does not disclose whether that
    policy has changed in light of subsequent developments in the Maryland
    or federal DNA laws, or as a result of decisions like the district court’s
    decision in the instant case, issued in 2009.
    UNITED STATES v. DAVIS                           49
    of evidence was analyzed for DNA evidence and a DNA pro-
    file was obtained from it, or if a DNA profile was obtained
    from a "known sample," then those DNA profiles were
    uploaded into the local CODIS database.
    From this, our dissenting colleague assumes that evidence
    tainted by antecedent constitutional violations would also be
    uploaded to the database. But while it is possible to imagine,
    given the policy as articulated, that DNA evidence obtained
    by an illegal search or pursuant to an illegal arrest might end
    up in CODIS, there is no testimony before us as to whether
    that actually happened in any other instance. Indeed, defense
    counsel conceded at oral argument that the evidentiary record
    before this Court does not contain a single other example of
    a person’s DNA being placed into the PGCPD local CODIS
    database without a proper constitutional basis. Any conclu-
    sion to that effect is purely speculative.
    Moreover, as we have repeatedly made clear, our finding of
    a constitutional violation in this case was based on the spe-
    cific and unusual facts of this case. Here, the police properly
    seized a piece of evidence from a victim in one crime, but
    then unconstitutionally used DNA evidence extracted from
    that evidence in investigating an unrelated crime in which the
    original victim was a suspect. They did so without consent
    from the victim and without obtaining a warrant, and thus we
    have found a violation. But a change in any one of those facts
    might have rendered the inclusion of Davis’ DNA in CODIS
    constitutionally permissible. For example, had the clothing
    been taken from Davis as part of an inventory search at the
    time of his arrest for the present crime, as was the clothing in
    Edwards, rather than seized from him when he was a victim
    of a different crime, the result likely would have been differ-
    ent. Similarly, had the police obtained a search warrant to
    extract Davis’ DNA from his pants and test it in conjunction
    with the Neal murder, the result likely would have been differ-
    ent.32 So, the mere fact that other victims’ DNA might be
    32
    Because those are not the facts before us, we need not resolve the con-
    stitutionality of the DNA searches in those hypothetical cases. But those
    50                      UNITED STATES v. DAVIS
    present in the database does not mean there were other consti-
    tutional violations.
    Likewise, there is no evidence before us that the analyst
    acted with knowledge that she should not retain the profile.33
    Like the conduct at issue in Herring and in Davis, then, the
    conduct here stands in stark contrast to the cases in which the
    exclusionary rule has been applied, described by the Herring
    Court as "patently unconstitutional" conduct. See 
    Herring, 555 U.S. at 143
    . Moreover, given the evolving and unsettled
    law governing DNA searches and seizures (as amplified by
    the district court’s lengthy decision in this case, the briefs on
    appeal, and the lack of controlling Fourth Circuit or Supreme
    Court precedent), the conduct of the officers entering and
    retaining Davis’ DNA profile can hardly be characterized as
    brazen or reckless.
    We also note that Congress and the Maryland legislature,
    through their imposition of fines and criminal penalties for
    failures to comply with their respective DNA statutes, already
    provide a deterrent effect against similar and future potential
    misuses of DNA information. Md. Code Ann. Pub. Safety
    § 2-512 (providing penalties for persons who misuse, dis-
    close, or fail to destroy certain DNA records as required by
    the Maryland Act); 42 U.S.C. §§ 14135e(c), 14132(c) (same
    as to federal DNA act). This factor, too, militates in favor of
    judicial restraint in exercising the remedy of suppression,
    slight differences in fact might well alter our conclusions regarding the
    constitutionality of the police actions and the uploading of DNA profiles.
    Thus, the mere existence of the policy stated by counsel does not necessar-
    ily mean that the violation here was anything other than isolated.
    33
    While the analyst testified that she knew the state level database
    required deletion of a profile once a court had exonerated a person previ-
    ously convicted, there is nothing in the record to support that she knew the
    profile of either a victim or a suspect was required to be destroyed in the
    circumstances here, nor has Davis pointed to any statute with such a
    requirement.
    UNITED STATES v. DAVIS                           51
    which exacts a "costly toll upon truth-seeking and law
    enforcement objectives." Cf. 
    Herring, 555 U.S. at 141
    (cita-
    tion omitted); see also Osborne, 
    557 U.S. 52
    , 129 S. Ct. at
    2312 (describing the response of the federal government and
    the states in regulating DNA testing as "prompt and consid-
    ered").
    In short, the obtaining and testing of Davis’ DNA from his
    bloody clothing, and the subsequent inclusion of his DNA
    profile in the database were, at best, "isolated negligence
    attenuated from the arrest" [for the Schwindler murder]. See
    
    Herring, 555 U.S. at 137
    . We have no proof before us show-
    ing that victims’ DNA profiles or individuals cleared of suspi-
    cion in an investigation are routinely entered into the local
    database by PGCPD, or have been entered into the database
    in any other instance. There is nothing in the record to suggest
    that the acts here are likely to reoccur. Moreover, the particu-
    larly unusual facts of this case—where a victim, with a dual
    status as an arrestee, later becomes a suspect in an unrelated
    crime, and there is DNA evidence available as a result of the
    crime in which the person was a victim—diminish further the
    likelihood of reoccurrence. The price to society of application
    of the exclusionary rule here, especially since the DNA evi-
    dence against Davis was compelling, would be to allow a per-
    son convicted of a deliberate murder to go free. The deterrent
    effect, if any, would be minimal, especially considering the
    lack of culpable conduct on the part of the police. Exclusion,
    therefore, would not "pay its way." See 
    Davis, 131 S. Ct. at 2428
    .34
    34
    Contrary to the dissent’s contention, we are not creating a "new, free-
    standing exception" to the exclusionary rule. Post at 88. Rather, we have
    faithfully applied the Supreme Court’s precedent, including its recent
    application of Leon in Herring and Davis. While the dissent refers to the
    "narrow holding[s]" in those cases, and deems inapplicable the "broad
    cost-benefit analysis" that underlies those holdings, post at 88, 92, the
    Supreme Court’s analysis in those cases is not dicta, but is the rationale
    supporting the Court’s application of the good-faith exclusion.
    52                  UNITED STATES v. DAVIS
    For the foregoing reasons, the good faith exception to the
    exclusionary rule applies and we affirm the district court’s
    denial of Davis’ motion to suppress.
    V.
    Davis’ second and final contention is that the district court
    erred in excluding the testimony of his proffered expert, Dr.
    Jeffrey Neuschatz. We review a district court’s evidentiary
    rulings, including rulings on the admissibility of expert testi-
    mony, for abuse of discretion. Gen. Elec. Co. v. Joiner, 
    522 U.S. 136
    , 141-42 (1997); United States v. Barsanti, 
    943 F.2d 428
    , 432 (4th Cir. 1991) (decision whether to admit expert
    testimony "will not be reversed absent a clear abuse of discre-
    tion"). We have reviewed the pertinent portions of the record
    on this issue and find no abuse of discretion with regard to
    this evidentiary ruling.
    At trial, in addition to the DNA evidence and other evi-
    dence concerning the offenses, there was one witness,
    Laverda Jessamy, who identified Davis as being one of the
    robbers at the scene of the bank robbery and Schwindler
    shooting. She had done so both from a photographic array and
    in person at trial. In response to this identification, Davis
    sought to introduce the testimony of Dr. Jeffrey Neuschatz as
    an expert in eyewitness identifications. According to his
    expert witness report, Dr. Neuschatz intended to testify that
    the lineup procedure used with Ms. Jessamy did not meet the
    good practices guidelines of the American Psychology-Law
    Society and to testify concerning a number of factors which
    might result in a misidentification.
    The government moved to exclude this evidence, contend-
    ing that much of the proffered testimony consisted of com-
    mon sense factors within the jury’s understanding and not
    requiring expert testimony. After a hearing, the district court
    granted the government’s motion to exclude Dr. Neuschatz’s
    testimony on the grounds that it would not assist the jury. The
    UNITED STATES v. DAVIS                  53
    court also explained that the testimony was not admissible
    under Fed. R. Evid. 403. In particular, the district court con-
    cluded that the probative value of the testimony was low
    because there was significant other evidence of guilt other
    than the eyewitness testimony and it was not a case where the
    government was relying, either exclusively or primarily, on
    eyewitness testimony. Thus, the danger of unfair prejudice,
    confusing of the issues or misleading the jury heavily out-
    weighed the probative value of the testimony.
    We have reviewed Dr. Neuschatz’s report and his testi-
    mony at the Daubert hearing, and find that the district court
    did not abuse its discretion in concluding that the proffered
    evidence was not "scientific knowledge" that would be of
    benefit to the jury. This is consistent with our prior decision
    in United States v. Harris, 
    995 F.2d 532
    (4th Cir. 1993). In
    Harris, we recognized the "trend in recent years to allow such
    testimony under [narrow] circumstances," but nonetheless
    concluded that "jurors using common sense and their faculties
    of observation can judge the credibility of an eyewitness iden-
    tification, especially since deficiencies or inconsistencies in
    an eyewitness’s testimony can be brought out with skillful
    cross-examination." 
    Id. at 534-35.
    The district court also did not abuse its discretion when
    concluding that, even if it qualified as a proper subject of
    expert testimony, the probative value of the testimony, which
    was low, was outweighed by the danger of prejudice or con-
    fusing the jury. Accordingly, it was not an abuse of discretion
    to exclude the evidence on Rule 403 grounds.
    Finally, we also agree with the government that, even if the
    testimony was wrongfully excluded, it was at most, harmless
    error. Most of the points that would have been made by Dr.
    Neuschatz were made by Davis’ counsel on cross-
    examination. The compelling DNA evidence against Davis, as
    well as the evidence of unexplained cash purchases by him
    and his girlfriend in the days following the robbery were over-
    54                      UNITED STATES v. DAVIS
    whelming evidence of guilt. The detailed jury instruction
    given by the court, moreover, further recognized and correctly
    advised the jury as to the legal issues concerning eyewitness
    identifications. In light of all these factors, we find no abuse
    of discretion by the district court in excluding the witness.
    VI.
    For the foregoing reasons, the judgment of the district court
    is
    AFFIRMED.
    DAVIS, Circuit Judge, dissenting:
    There is much in the majority’s thoughtful and thorough
    opinion with which I agree. Alas, however, "I feel constrained
    by a sense of duty to express my nonconcurrence in the action
    of the court in this present case." Twining v. New Jersey, 
    211 U.S. 78
    , 114 (1908) (Harlan, J., dissenting). I part company
    from the majority on two issues: (1) its application of the
    plain view exception to justify the seizure of the bag contain-
    ing Davis’s clothing from the hospital and the subsequent
    search of that bag and (2) its refusal to apply the exclusionary
    rule.1 I conclude for the reasons explained herein that the sei-
    1
    The majority "assume[s], without deciding, that there was a separate
    Fourth Amendment violation in retaining Davis’ DNA profile in the local
    CODIS database." Maj. Op. at 9-10. While it is not critical to my analysis
    in this case, I would likely hold that under circumstances such as those
    presented here, the state action involved in (1) extracting Davis’s DNA
    from the biological material recovered from his clothing, (2) chemically
    analyzing that material to create a DNA profile, and (3) uploading the pro-
    file into the local DNA database essentially constitutes a single continuous
    course of constitutionally implicated endeavors subject to Fourth Amend-
    ment scrutiny. Governments undertake to engage in this full course of con-
    duct inasmuch as the purpose of this extraordinary forensic science is to
    enable law enforcement to identify persons, and that cannot be achieved
    through less than the full protocol we have come to know. For present pur-
    poses, however, I join in the majority’s assumption.
    UNITED STATES v. DAVIS                           55
    zure of the bag was unlawful and, even assuming the seizure
    could somehow be justified, the subsequent search of the bag
    effected a distinct violation of Davis’s constitutionally pro-
    tected privacy interests. Furthermore, I conclude that the
    majority’s creation of a free-standing, ad hoc exception to the
    exclusionary rule is unwise and unsupported by the facts of
    this case, extant Supreme Court precedents, or our own prece-
    dents. Thus, I would vacate the judgment, reverse the denial
    of Davis’s motion to suppress, and remand this case for fur-
    ther proceedings, as appropriate.2
    I.
    A.
    On August 29, 2000, Davis was treated at Howard County
    (Maryland) General Hospital for a gunshot wound to his right
    thigh. Davis told hospital staff that he had been shot in the
    course of a robbery. As required by state law, hospital person-
    nel notified the Howard County Police Department ("HCPD")
    that it was treating a gunshot victim. See Md. Code Ann.,
    Health-Gen. § 20-703. Detective Joseph King of the HCPD,
    then a uniformed patrol officer, was the first to respond to the
    hospital; King spoke with Davis concerning the circumstances
    of the shooting. Detective King testified at the suppression
    hearing that the hospital had been on his beat for approxi-
    2
    I would not reach the question whether the district court properly
    excluded the testimony of Dr. Jeffrey Neuschatz, Davis’s proposed expert
    on eyewitness identifications. The district court excluded Dr. Neuschatz’s
    testimony in significant part because it had previously decided to admit
    the DNA evidence, which meant that "the significance of eyewitness iden-
    tification" in the case was "[not] high." J.A. 2323. Because I would reverse
    the district court’s denial of Davis’s motion to suppress the DNA evi-
    dence, that premise of the district court’s decision would no longer apply,
    and in a retrial without that evidence the court might very well come to
    a different conclusion. Thus, I find it unnecessary to address the district
    court’s grant of the government’s motion to exclude Dr. Neuschatz’s testi-
    mony.
    56                  UNITED STATES v. DAVIS
    mately two years, and that he had responded on previous
    occasions to individuals with gunshot wounds. When he
    arrived at the hospital, he located Davis in the emergency
    room on a bed or gurney. According to Detective King, Davis
    presented him with a District of Columbia driver’s license
    that showed his photograph and the name "Gary Edmonds."
    Detective King observed Davis’s gunshot wound. He then
    seized a bag containing Davis’s pants and boxer shorts, which
    had been removed by hospital personnel, placed in the bag,
    and stored on a shelf beneath the bed. Detective King testified
    that he considered the clothing to be evidence of the crime
    reported, i.e., Davis’s shooting. Detective King did not
    receive assistance from hospital personnel in retrieving the
    bag, which he testified was similar to other occasions on
    which he had responded to the hospital to investigate shoot-
    ings. Detective King did not seek or obtain Davis’s consent
    to take the bag or otherwise discuss the matter with Davis. He
    assumed Davis was aware that he was taking the bag because
    Davis observed him take possession of it. Detective King
    described Davis’s attitude towards questioning as "uncoopera-
    tive." J.A. 143.
    A short time later, Lieutenant Steven Lampe appeared at
    the hospital. Lieutenant Lampe took the bag from Detective
    King and later submitted it to the HCPD property room to be
    held as evidence. Lieutenant Lampe testified that the clothing
    was in a plastic bag when he took it from Detective King, but
    he could not recall what the bag looked like. Lieutenant
    Lampe did not inspect the clothing right away. Consistent
    with Detective King’s testimony, he stated that Davis was not
    forthcoming in response to questioning, gave only vague
    information about the shooting, and was not interested in
    reporting the crime. After speaking with Davis, the police
    attempted to confirm his identity through various computer
    inquiries and found no history of a "Gary Edmonds."
    Because the officers believed that Davis was being untruth-
    ful in his report of how he was shot, in part due to his lack
    UNITED STATES v. DAVIS                  57
    of cooperation, the officers located the vehicle in which
    Davis’s friend had driven him to the hospital, observed what
    appeared to be blood on the front passenger seat, and
    requested a K-9 officer to have his dog scan the car. The dog
    positively alerted to the presence of a controlled dangerous
    substance ("CDS"), and the car was searched. The police
    recovered a small amount of marijuana in the vehicle and
    accordingly arrested Davis and took him into custody upon
    his release from the hospital later that day. Lieutenant Lampe
    testified that the hospital staff had given Davis something to
    wear, Davis’s clothing having been seized by Detective King.
    The police subsequently identified Davis by his fingerprints
    as "Earl Davis," and he admitted his true identity. Davis was
    charged with possession of marijuana and possession of CDS
    paraphernalia, but the charges were later dismissed.
    The investigation into Davis’s shooting concluded without
    an arrest, and the case was considered closed as of November
    7, 2000. To that point, no forensic testing had been conducted
    on the bloody clothing seized from Davis at the hospital.
    Davis was not contacted or otherwise advised that the shoot-
    ing investigation was closed.
    Several months later, in June 2001, an individual named
    Michael Neal was murdered in nearby Prince George’s
    County, Maryland. At some point in the ensuing three years
    detectives in the Prince George’s County Police Department
    ("PGCPD") came to suspect Davis of having committed the
    murder. In the course of investigating the Neal murder, in
    April 2004 members of the PGCPD contacted Lieutenant
    Lampe to inquire about Davis’s arrest at Howard County
    General Hospital in 2000. The PGCPD officers specifically
    asked whether any property had been seized from Davis that
    might contain his DNA. Lieutenant Lampe understood from
    this inquiry that Davis was now a suspect in a homicide. Later
    that month, two PGCPD homicide detectives who were famil-
    iar with the facts of the Neal murder went to the HCPD to
    pick up Davis’s clothing for the purpose of DNA testing.
    58                  UNITED STATES v. DAVIS
    Lieutenant Lampe delivered the clothing to the PGCPD detec-
    tives on April 29, 2004. On the property form for the clothing,
    Davis was clearly identified as a "victim." J.A. 164. Davis
    was not notified that the PGCPD had obtained his clothing.
    The PGCPD detectives submitted Davis’s clothing to their
    DNA lab in connection with their investigation of the Neal
    murder.
    Shortly thereafter, in or around June 2004, Davis’s DNA
    was extracted from the blood stains on his boxer shorts, his
    profile was created, and the profile was compared to an
    unknown DNA profile derived from evidence obtained at the
    scene of the Neal homicide. The profiles did not match, and
    Davis was therefore excluded as the source of the evidentiary
    sample from the Neal murder. Davis’s DNA profile was then
    entered into the local Prince George’s County Combined
    DNA Index System ("CODIS") database. His DNA profile
    was never expunged or otherwise removed from the database.
    B.
    On August 6, 2004, shortly before 1:00 p.m., Jason Sch-
    windler, an armored car employee, picked up a bank deposit
    from a local business and took it to a nearby BB&T bank in
    Hyattsville, Maryland, located in Prince George’s County. As
    Schwindler walked up to the bank entrance, two gunmen
    exited a Jeep Cherokee and shot Schwindler, killing him.
    When their escape in the Jeep was thwarted by the armored
    truck driver, the assailants carjacked a bank customer and fled
    in her Pontiac Grand Am. The carjacked vehicle was later
    recovered.
    After Schwindler’s murder, officers from the PGCPD
    responded to the crime scene and collected evidence. Numer-
    ous items were recovered, including a baseball cap worn by
    one of the shooters, two firearms, and steering wheel covers
    from the Jeep Cherokee and the Pontiac Grand Am, the vehi-
    cles the shooters had driven to and away from the crime
    UNITED STATES v. DAVIS                  59
    scene, respectively. These items were swabbed and analyzed
    for DNA. The DNA profiles of the major contributor to the
    DNA found in the ballcap and on the trigger and grip of the
    recovered firearms were entered into the Prince George’s
    County CODIS database. As a result of a search of the local
    database, on or about August 14, 2004, there was a "cold hit"
    between the DNA profile derived from material found on the
    baseball cap recovered at the crime scene and Davis’s DNA
    profile in the database.
    Law enforcement officers were notified of the match and,
    based on the cold hit, they promptly sought, and a state judge
    issued, warrants authorizing them to obtain DNA from Davis
    and to search the home of his girlfriend, Dana Holmes. Pursu-
    ant to the search warrant, a DNA sample was taken from
    Davis and his DNA profile was compared to the profiles
    derived from the DNA deposited on items recovered from the
    crime scene. The DNA analyst concluded that, to a reasonable
    degree of scientific certainty, Davis was the source of the
    DNA recovered from three pieces of evidence related to the
    Schwindler murder: (1) the steering wheel cover of the stolen
    Jeep Cherokee the assailants drove to the bank; (2) a baseball
    cap dropped by one of the assailants during the course of the
    robbery; and (3) the steering wheel cover of the Pontiac
    Grand Am in which the assailants fled the scene.
    C.
    On March 31, 2008, a federal grand jury returned a super-
    seding indictment charging Davis with one count of Hobbs
    Act robbery, in violation of 18 U.S.C. § 1959; two counts of
    possession and discharge of a firearm in furtherance of a
    crime of violence, in violation of 18 U.S.C. § 924(c); one
    count of possession and discharge of a firearm resulting in
    death (murder), in violation of 18 U.S.C. § 924(j); one count
    of carjacking, in violation of 18 U.S.C. § 2119; and one count
    of felon in possession of a firearm, in violation of 18 U.S.C.
    § 922(g). Davis pleaded not guilty and proceeded to trial.
    60                  UNITED STATES v. DAVIS
    Prior to trial, Davis moved to suppress all direct and deriva-
    tive evidence obtained from the warrantless seizure of his
    clothing at Howard County General Hospital, including his
    DNA profile. The district court denied Davis’s motion to sup-
    press after holding an evidentiary hearing and, following the
    conclusion of trial, filed a thoughtful opinion accepting some
    of Davis’s arguments and rejecting others, but ultimately reaf-
    firming its earlier denial of the motion to suppress. United
    States v. Davis, 
    657 F. Supp. 2d 630
    (D. Md. 2009).
    The DNA evidence presented at trial consisted of the
    PGCPD analyst’s finding that Davis’s DNA profile matched
    the DNA profile derived from the evidence recovered from
    the scene of the Schwindler murder to a reasonable degree of
    scientific certainty. Davis challenged the validity of the ana-
    lyst’s findings. In particular, he questioned whether the
    amount of DNA recovered from the crime scene was suffi-
    cient to produce accurate results and whether the govern-
    ment’s statistical probability calculations (i.e., the statistics
    supporting the conclusion that Davis was the source of the
    DNA on each of the three items recovered from the crime
    scene) were reliable and accurate.
    Davis’s trial began on May 5, 2009, and lasted approxi-
    mately five weeks. At the conclusion of the trial on June 3,
    2009, the jury returned a guilty verdict on all counts. The dis-
    trict court sentenced Davis to a term of life imprisonment plus
    420 months. Davis timely appealed the district court’s denial
    of his motion to suppress and grant of the government’s
    motion to exclude expert testimony.
    II.
    As the majority explains, Davis argues the district court
    committed reversible error in denying his motion to suppress
    DNA evidence. He contends that the following separate
    Fourth Amendment violations led to the "cold hit" match that
    UNITED STATES v. DAVIS                            61
    implicated him in the Schwindler murder.3 First, Davis argues
    that the initial nonconsensual, warrantless seizure of the bag
    of clothing from Howard County General Hospital by the
    HCPD in 2000 violated his Fourth Amendment rights. Sec-
    ond, he contends that the related, subsequent nonconsensual,
    warrantless search of the bag was unlawful, rendering all fur-
    ther uses of the evidence derived therefrom inadmissible as
    "fruit of the poisonous tree." Third, he asserts that PGCPD
    officials violated the Fourth Amendment when they extracted
    and chemically analyzed a sample of his DNA from the cloth-
    ing without consent or a warrant in 2004. Fourth, Davis con-
    tends that the nonconsensual, warrantless uploading and
    retention of his DNA profile in the local CODIS database
    constituted yet a further Fourth Amendment violation. Of
    these four alleged violations, the district court found that only
    the retention of Davis’s DNA profile in the CODIS database
    constituted a Fourth Amendment violation, although it ulti-
    mately concluded that applying the exclusionary rule was not
    appropriate on the basis of the good-faith exception.
    The majority agrees with the district court’s analysis in sig-
    nificant part. In particular, the majority agrees that the war-
    rantless seizure of the bag containing Davis’s clothing, as well
    as the subsequent, distinct search of the bag, and the subse-
    quent seizure of the contents of that bag, resulting in the
    3
    Although the majority, following the lead of the parties, purports to
    identify three alleged Fourth Amendment violations, as I explain within,
    a proper analysis of this case must distinguish as separate constitutionally
    cognizable invasions: (1) the seizure of the bag at the hospital followed by
    (2) the search of the bag. Indeed, as the majority’s own analysis shows,
    see Maj. Op. at 13 ("As to both the seizure of the bag and the subsequent
    search of the bag, the district court’s reliance on United States v. Williams,
    
    41 F.3d 192
    (4th Cir. 1994) was appropriate."), the seizure and search of
    the bag are indeed distinct undertakings. Moreover, although Davis com-
    bined these two challenges in some ways, there is no question that he has
    challenged each distinct invasion of his rights. See Appellant’s Br. at 17
    ("First, the police illegally seized and searched the white bag containing
    Mr. Davis’ clothes beneath his hospital bed when he came in as a shooting
    victim four years prior to the Schwindler robbery and shooting.").
    62                   UNITED STATES v. DAVIS
    extraction of Davis’s biological material, all may be justified
    on the basis of the plain view seizure exception to the warrant
    clause of the Fourth Amendment. I respectfully dissent from
    that extraordinary holding. The plain view exception does not
    apply under the circumstances in this case. Furthermore, even
    if it could be applied in some plausibly recognizable manner,
    the plain view seizure doctrine could not possibly justify the
    separate search of the bag containing Davis’s clothing.
    Accordingly, the majority’s substantive Fourth Amendment
    analysis is fatally flawed, quite apart from its unwarranted
    refusal to apply the exclusionary rule.
    A.
    As the district court correctly observed, Davis, 657 F.
    Supp. 2d at 636, the government bears the burden of proving,
    by a preponderance, the legality of the search and seizure of
    evidence obtained without a warrant (or evidence derived
    therefrom) which it intends to introduce at trial. See Welsh v.
    Wisconsin, 
    466 U.S. 740
    , 749-50 (1984) (exigent circum-
    stances); United States v. Mendenhall, 
    446 U.S. 544
    , 557
    (1980) (consent); United States v. Matlock, 
    415 U.S. 164
    , 177
    n.14 (1974) (same); cf. Illinois v. McArthur, 
    531 U.S. 326
    ,
    338 (2001) (Souter, J., concurring) ("[M]ost states follow the
    rule which is utilized in the federal courts: if the search or sei-
    zure was pursuant to a warrant, the defendant has the burden
    of proof; but if the police acted without a warrant the burden
    of proof is on the prosecution.") (quoting 5 W. LaFave,
    Search and Seizure § 11.2(b), p. 38 (3d ed. 1996)). In assess-
    ing a trial court’s ruling on a motion to suppress, we review
    factual findings for clear error and legal determinations,
    including "determination[s] of whether the historical facts sat-
    isfy a constitutional standard," de novo. United States v.
    Gwinn, 
    219 F.3d 326
    , 331 (4th Cir. 2000); see also Ornelas
    v. United States, 
    517 U.S. 690
    , 699 (1996); United States v.
    Wilson, 
    484 F.3d 267
    , 280 (4th Cir. 2007). When a motion to
    suppress has been denied in the court below, we review the
    UNITED STATES v. DAVIS                    63
    evidence in the light most favorable to the government.
    United States v. Seidman, 
    156 F.3d 542
    , 547 (4th Cir. 1998).
    B.
    The HCPD’s original nonconsensual, warrantless procure-
    ment of Davis’s bloody boxer shorts and pants in 2000
    requires that we decide whether the district court erred in its
    legal conclusion that Detective King was entitled to both seize
    the bag containing the clothing and to search its contents
    without consent and in the absence of a judicial warrant.
    Echoing the district court’s analysis, the majority concludes
    that Detective King was justified in seizing the bag because
    he had "lawful access" to it and because it was "immediately
    apparent" to him, and would have been so to any reasonable
    officer in his position, that the bag contained Davis’s pants
    and that the pants contained a bullet hole, i.e., evidence of a
    crime. Maj. Op. at 15-16. The majority further elaborates its
    unique reconception of the longstanding plain view seizure
    doctrine by concluding that King was justified in searching
    the bag’s contents, without obtaining Davis’s consent or a
    warrant, because it was a "foregone conclusion" that the bag
    contained evidence of a crime. Maj. Op. at 14, 16 (relying
    upon Williams, 
    41 F.3d 192
    ).
    The majority’s analysis is deeply flawed. As I explain in
    subsection II.B.1, application of rudimentary and long-
    established Fourth Amendment principles demonstrates that
    Detective King’s seizure of the bag from Davis’s possession
    violated Davis’s Fourth Amendment right to be free of an
    unreasonable seizure of his personal "effects" and cannot be
    shoehorned into a plain view seizure analysis. Furthermore, as
    I show more specifically in subsections II.B.2 and II.B.3,
    long-settled understandings of the plain view seizure doctrine
    demonstrate that under no reasonable interpretation of the
    facts found by the district court can it be said that the noncon-
    sensual, warrantless search of the bag was justified under that
    doctrine. As I demonstrate, neither Williams, nor any other
    64                  UNITED STATES v. DAVIS
    precedent cited to us by the government supports, let alone
    compels, the remarkable application of the plain view seizure
    doctrine engaged in by the majority.
    1.
    It is common ground among the panel that a well-
    established exception to the Fourth Amendment’s warrant
    requirement provides that a law enforcement officer may
    seize evidence in "plain view" without a warrant where (1) the
    officer is lawfully located in a place from which the item can
    plainly be seen; (2) the officer has a lawful right of access to
    the item itself; and (3) the incriminating nature of the seized
    item is immediately apparent. See Horton v. California, 
    496 U.S. 128
    , 136-37 (1990). As this test makes clear, the intru-
    sions implicated by the first two prongs of the test must be
    lawful. In other words, in both viewing the item to be seized
    and in actually taking physical possession of it, police must
    not infringe constitutionally protected privacy or possessory
    interests in the absence of a warrant or other well-recognized
    exception to the warrant requirement. See Texas v. Brown,
    
    460 U.S. 730
    , 738-39 (opining that "plain view" should not be
    considered an independent exception to the warrant require-
    ment, but rather an extension of a prior justification for an
    officer’s "access to an object") (plurality opinion); see also
    
    Horton, 496 U.S. at 137
    n.7 (explaining that the lawful right
    of access requirement is "simply a corollary of the familiar
    principle . . . that no amount of probable cause can justify a
    warrantless search or seizure absent ‘exigent circumstances’")
    (quoting Coolidge v. New Hampshire, 
    403 U.S. 443
    , 468
    (1971) (plurality opinion)).
    In addition, the item’s incriminating nature must be "imme-
    diately apparent" at the time the police view it, meaning that
    there is a "practical, nontechnical probability that incriminat-
    ing evidence is involved." 
    Brown, 460 U.S. at 742
    (internal
    quotation marks omitted); see also Minnesota v. Dickerson,
    
    508 U.S. 366
    , 375 (1993) ("If . . . the police lack probable
    UNITED STATES v. DAVIS                    65
    cause to believe that an object in plain view is contraband
    without conducting some further search of the object — i.e.,
    if its incriminating character is not immediately apparent,
    
    Horton, 496 U.S. at 136
    — the plain-view doctrine cannot
    justify its seizure.") (internal quotation marks and brackets
    omitted); Soldal v. Cook County, Illinois, 
    506 U.S. 56
    , 66
    (1992) (explaining that "‘plain view’ seizures . . . can be justi-
    fied only if they meet the probable-cause standard").
    The government has failed to meet its burden here to estab-
    lish that the seizure of the bag containing Davis’s clothing can
    be justified by application of the plain view seizure doctrine,
    and the subsequent search of the bag could never be justified
    by the plain view seizure doctrine in any event, no matter how
    much evidence the government could muster.
    There is no dispute that Detective King was lawfully pres-
    ent in the emergency room where Davis was being treated,
    and thus viewed the bag from a lawful vantage point. There
    is a constitutionally cognizable distinction, however, between
    the emergency room generally and the more narrowly delin-
    eated area beneath Davis’s bed where the bag had been
    stored. Thus, the majority fails (or simply refuses) to recog-
    nize that although this case does not involve the paradigmatic
    factual scenario in which police view an item through a win-
    dow before entering a premises to retrieve it, see Maj. Op. at
    11-12, the lawful vantage point and lawful access prongs do
    not necessarily rise and fall together. Rather, there are distinct
    possessory and privacy interests implicated by the facts before
    us, namely the specific location of the bag and the fact that
    it contained non-contraband personalty or, to use the constitu-
    tional parlance, Davis’s constitutionally protected "effects."
    As a matter of law, Davis never relinquished his possessory
    rights in his effects prior to their seizure. See United States v.
    Neely, 
    345 F.3d 366
    , 369 & n.4 (5th Cir. 2003) ("[A]n emer-
    gency room patient does not forfeit his possessory rights to
    clothing simply by walking (or in many cases being carried)
    66                       UNITED STATES v. DAVIS
    through the hospital door.") (collecting cases). Howard
    County General Hospital personnel ensured that Davis’s
    clothing was in his immediate personal possession and con-
    trol when they placed it in a bag on the shelf directly beneath
    his bed. See People v. Yaniak, 
    738 N.Y.S.2d 492
    , 495-96 (Co.
    Ct. 2001) ("[T]he placing of the garments in the green plastic
    bag by hospital personnel evinced an objective belief that the
    items were still the personal property of the defendant and
    that, when he felt better, they would be returned to him.").
    Of course, Davis would have retained his possessory inter-
    est in the clothing (and thus the bag containing the clothing),
    as well as his residual privacy interest in his clothing,4 even
    if the hospital had safeguarded it in some other location. See
    
    Neely, 345 F.3d at 370
    (explaining that once clothing is taken
    from the patient and secured by hospital employees, the hos-
    pital becomes a bailee and employees have no authority to
    permit police to retrieve the clothing without a warrant) (cita-
    tion omitted). In addition, there is no evidence that Davis
    abandoned his clothing or that he consented to the seizure.
    Accordingly, under the circumstances, the police no more had
    "lawful access" to the bag containing Davis’s clothing as he
    lay in the hospital receiving treatment than they would have
    had if the bag had been locked in a cabinet for patients’
    belongings or, indeed, held in Davis’s hands while he was
    being treated.5
    4
    Unlike the majority, it is difficult if not impossible for me to imagine
    that a person, even a hospital patient undergoing treatment in an emer-
    gency room as was Davis, lacks a reasonable expectation of privacy in his
    underwear which is concealed by hospital personnel in a bag and left
    within easy reach of the patient.
    5
    The very case relied on by the majority for its expansive application
    of the "lawful access" element of the plain view doctrine in response to
    this dissent makes clear that the typical plain view seizure case involves
    concern for protection of a citizen’s spatial privacy, e.g., the lawfulness of
    an entry, not with the distinct constitutional question of whether a seizure
    of a constitutionally protected "effect" from the personal possession of its
    owner is "lawful." See Maj. Op. at 12 (contending that the "lawful right
    UNITED STATES v. DAVIS                             67
    Manifestly, an officer’s physical access to a citizen’s non-
    contraband personalty in the possession of the citizen is not
    equivalent to an officer’s "lawful access" to that personalty
    under the plain view doctrine. In other words, the mere exis-
    tence of probable cause to believe a container in the posses-
    sion of a citizen holds evidence of criminal activity, where the
    evidence is not contraband, is not alone sufficient to effect a
    warrantless seizure of that container from the possession of
    the citizen.6
    of access" requirement "is meant to guard against warrantless entry onto
    premises whenever contraband is viewed from off the premises in the
    absence of exigent circumstances"; thus, while "lawfully positioned" "re-
    fers to where the officer stands when she sees the item," "lawful right of
    access" refers "to where she must be to retrieve the item") (quoting Boone
    v. Spurgess, 
    385 F.3d 923
    , 928 (6th Cir. 2004) (holding that disputed issue
    of fact precluded summary judgment for officers in plaintiff’s Fourth
    Amendment claim under 42 U.S.C. § 1983 where plaintiff disputed offi-
    cers’ assertion that they could see handgun in his car while they were
    standing outside the vehicle, and thus permissibly entered vehicle to
    retrieve the firearm and then arrested plaintiff)).
    Nor does the majority’s invocation of Washington v. Chrisman, 
    455 U.S. 1
    (1982), see Maj. Op. at 12, aid its cause. In that case, "the officer
    noticed seeds and a small pipe lying on a desk 8 to 10 feet from where he
    was standing [in the threshold of defendant’s college dormitory room after
    having detained the defendant’s roommate for underage possession of an
    alcoholic beverage]. From his training and experience, the officer believed
    the seeds were marihuana and the pipe was of a type used to smoke mari-
    huana. He entered the room and examined the pipe and seeds, confirming
    that the seeds were marihuana and observing that the pipe smelled of mari-
    
    huana." 455 U.S. at 4
    . Chrisman’s expectation of privacy in his room gave
    way to the officer’s duty to keep in close contact with the roommate,
    whom the officer had allowed to reenter the room to retrieve his identifica-
    tion, and who had actually consented to the officer’s presence. 
    Id. at 3.
    In
    short, Chrisman has nothing whatsoever to do with plain view seizures of,
    or "lawful access" to the contents of, containers.
    6
    Imagine, for instance, that a murder suspect’s father is sitting in a fast
    food restaurant eating a salad and reading the morning paper. A homicide
    detective working the case has been told by a reliable informant that the
    suspect has admitted to the informant that he, the suspect, had written a
    68                       UNITED STATES v. DAVIS
    As Davis correctly argues, and as the district court
    acknowledged, "A warrantless seizure is ‘per se unreasonable
    under the Fourth Amendment subject only to a few specifi-
    cally established and well-delineated exceptions’ to the war-
    rant requirement. Katz v. United States, 
    389 U.S. 347
    , 357
    (1967) (footnotes omitted); Flippo v. West Virginia, 
    528 U.S. 11
    , 13-14 (1999) (same)." Appellant’s Br. at 21; see Davis,
    
    657 F. Supp. 2d
    at 636. The plain view seizure doctrine does
    not supplant the need for such an exception where an officer
    intrudes upon constitutionally protected privacy or possessory
    interests in physically retrieving the item to be seized from the
    person of its owner. See 
    Horton, 496 U.S. at 137
    ("[N]ot only
    full confession and mailed it to his father and that his father keeps the let-
    ter with him at all times in a distinctive black briefcase that his father car-
    ries wherever he goes. The black briefcase described by the informant is
    resting on the floor of the fast food restaurant at the feet of the father when
    the detective enters the restaurant. The detective seizes the briefcase and,
    without consent or a warrant, immediately opens it. He observes instantly
    the letter and, quite unexpectedly, wads of counterfeit U.S. currency. The
    letter is used by the state to prosecute the son for homicide and the posses-
    sion of counterfeit currency charge is prosecuted in federal court against
    the father.
    Does the majority truly believe that the detective, having what the
    majority would call "lawful access" to the briefcase, and with probable
    cause to believe that evidence of a murder would be found in the briefcase,
    i.e., it was "immediately apparent" (based on the highly reliable informa-
    tion possessed by the detective) that the container held evidence of a crim-
    inal offense, could seize the briefcase and search it on the basis of the
    plain view seizure exception?
    Of course not.
    Arguably, the briefcase could be seized on the basis of exigency, see
    United States v. Chadwick, 
    433 U.S. 1
    (1977), abrogated on other grounds
    by California v. Acevedo, 
    500 U.S. 565
    (1991), but surely even the major-
    ity would agree that a warrant would be required to search the briefcase.
    Even apart from a nice question of the son’s standing to challenge the
    search of the father’s briefcase, there clearly is no standing issue as to the
    father, and the plain view exception simply could not justify the search of
    the briefcase, despite the "virtual certainty" that evidence of a criminal
    offense was contained therein. So it is here.
    UNITED STATES v. DAVIS                          69
    must the officer be lawfully located in a place from which the
    object can be plainly seen, but he or she must also have a law-
    ful right of access to the object itself."); Jones v. State, 
    648 So. 2d 669
    , 678 (Fla. 1994) (explaining that the lawful access
    requirement "ensures that the scope of the intrusion into
    Fourth Amendment rights is no greater than that already
    authorized in connection with the lawful entry"); see also
    infra pp. 83-84 (explaining why seizures of containers hold-
    ing "mere evidence" are distinguishable from containers hold-
    ing contraband). Accordingly, in the absence of a recognized
    justification (e.g., exigent circumstances, which the district
    court did not find applicable) for intrusion upon Davis’s pro-
    tected interests, Detective King could not lawfully seize the
    bag under the plain view seizure doctrine from Davis’s pos-
    session without a warrant or consent, irrespective of whether
    it was "immediately apparent" that the clothing suspected of
    being contained therein constituted evidence of a crime.7 As
    7
    In my view, the nonconsensual, warrantless seizure of the bag in this
    case could only be justified by exigent circumstances, rather than by the
    plain view seizure doctrine. It appears, however, that the government did
    not press such an argument before the district court, and with good reason.
    Although the notion that police need clothes with bullet holes in them to
    help prove someone got shot is beyond fanciful, there is some support for
    the view that Detective King had probable cause to believe that the bag
    beneath Davis’s bed contained evidence of his shooting. But see infra at
    77-80 (explaining why the officers’ interaction with Davis demonstrated
    conclusively that they did not believe his story and, accordingly, they
    lacked probable cause to believe he had been the victim of a felonious
    shooting). Therefore, particularly given Detective King’s testimony that
    Davis was uncooperative in response to questioning about the crime, King
    could reasonably have feared that the clothing would disappear due to a
    deliberate act of Davis or an inadvertent act of hospital personnel. On the
    other hand, a police officer might have been posted to safeguard the cloth-
    ing until a warrant was obtained. Regardless, the government does not
    raise this argument and, as discussed infra, the subsequent search of the
    bag was unconstitutional in any event.
    Indeed, as both the majority and district court opinions demonstrate,
    application of an exigency exception to the warrant requirement would not
    save the subsequent search of the bag in this case because no conceivable
    exigency would apply once the bag was in the custody of law enforce-
    ment.
    70                       UNITED STATES v. DAVIS
    the government accurately describes the relevant circum-
    stances, "the [bag containing the] clothing was readily acces-
    sible to Detective King," Govt’s Br. at 33-34, but that most
    assuredly does not mean that Detective King had "lawful
    access" to the bag or the clothing contained therein under the
    plain view seizure doctrine.
    2.
    Of course, even if Detective King could conceivably, on
    some theory, lawfully seize the bag, that does not mean that
    he could inspect its contents, i.e., search the bag, without
    obtaining Davis’s consent or a judicial warrant.8 "Even when
    government agents may lawfully seize such a package to pre-
    vent loss or destruction of suspected contraband [or mere evi-
    dence], the Fourth Amendment requires that they obtain a
    warrant before examining the contents of such a package,"
    United States v. Jacobsen, 
    466 U.S. 109
    , 114 (1984) (brackets
    8
    It is evident that the police removed Davis’s clothing from the bag at
    some point, but the record does not indicate when the police first opened
    the bag, so it is not clear when the warrantless container search actually
    occurred. Lieutenant Lampe testified that the clothing was still in the bag
    when he arrived at the hospital and retrieved it from Detective King. He
    recalled that the bag was plastic, but could not recall what it looked like,
    and he stated that he did not inspect the clothes right away.
    To the extent the majority laments the officers’ failure of memory about
    what the bag looked like and what precisely they did many years before
    they were called to testify on behalf of the government in this case, see
    Maj. Op. 15 n.15, the majority has done little more than highlight still
    another reason for the imperative of the warrant—issuing function of the
    state and federal courts. Had the officers properly conducted themselves
    in searching the bag on the authority of a judicial warrant, there would be
    no basis for the majority’s lament. "Ever since 1878 when Mr. Justice
    Field’s opinion for the Court in Ex parte Jackson, 
    96 U.S. 727
    , established
    that sealed packages in the mail cannot be opened without a warrant, it has
    been settled that an officer’s authority to possess a package is distinct from
    his authority to examine its contents." Walter v. United States, 
    447 U.S. 649
    , 654 (1980) (plurality opinion) (citing Arkansas v. Sanders, 
    442 U.S. 753
    , 758 (1979), and United States v. Chadwick, 
    433 U.S. 1
    , 10 (1977)).
    UNITED STATES v. DAVIS                          71
    added), or otherwise satisfy one of the exceptions to the war-
    rant requirement. 
    Horton, 496 U.S. at 141
    n.11. In other
    words, as Judge Niemeyer (who, three years earlier, had been
    a member of the panel in Williams) has cogently explained,
    "The ‘plain-view’ doctrine provides an exception to the war-
    rant requirement for the seizure of property, but it does not
    provide an exception for a search." United States v. Jackson,
    
    131 F.3d 1105
    , 1108 (4th Cir. 1997) (emphasis in original);
    accord United States v. Rumley, 
    588 F.3d 202
    , 205 (4th Cir.
    2009).
    Only in a very limited subset of cases involving "closed,
    opaque container[s]" may an officer open the container with-
    out first obtaining a warrant or the owner’s consent, Robbins
    v. California, 
    453 U.S. 420
    , 426 (1981) (plurality opinion), at
    least where, as here, the container is not located in a vehicle.
    One exception to the search warrant requirement in this con-
    text is in cases involving exigency. See 
    Chadwick, 433 U.S. at 15
    n.9 ("Of course, there may be other justifications for a
    warrantless search of luggage taken from a suspect at the time
    of his arrest; for example, if officers have reason to believe
    that luggage contains some immediately dangerous instru-
    mentality, such as explosives, it would be foolhardy to trans-
    port it to the station house without opening the luggage and
    disarming the weapon.").9 Another exception, the one the dis-
    trict court and the majority erroneously rely on, is for "con-
    9
    The majority’s conclusory assertion that, "[T]he subsequent search of
    the bag (whether to identify or examine its contents), was warranted if it
    was a foregone conclusion that the bag contained the clothing, which was
    evidence of a crime," Maj. Op. at 13, is confounding. As explained below,
    King could only have opened the bag and inspected its contents if their
    incriminating nature was so obvious that no "search" occurred — but the
    majority agrees that a search did occur. Of course, having chosen to ignore
    entirely this dissent’s reliance on Chadwick, Robbins, and Sanders, the
    majority’s sole escape is to stand silent in the face of clearly applicable
    Supreme Court precedents which cannot rationally be distinguished.
    Those cases, among others, make clear that whether a search occurs is not
    simply a matter of "labeling." Cf. Maj. Op. at 10 n.11.
    72                       UNITED STATES v. DAVIS
    tainers (for example a kit of burglar tools or a gun case) [that]
    by their very nature cannot support any reasonable expecta-
    tion of privacy because their contents can be inferred from
    their outward appearance." 
    Sanders, 442 U.S. at 764
    n.13. In
    those cases, because "the distinctive configuration of [the]
    container proclaims its contents," the owner of the container
    has no reasonable expectation of privacy in those contents,
    
    Robbins, 453 U.S. at 427
    (plurality opinion) — and thus an
    officer’s observation of those contents does not constitute a
    separate "search" for Fourth Amendment purposes. See Illi-
    nois v. Andreas, 
    463 U.S. 765
    , 771 (1983) ("If the inspection
    by police does not intrude upon a legitimate expectation of
    privacy, there is no ‘search’. . . ."). In such cases the shape
    and/or character of the container, including where relevant its
    labeling, even if closed and opaque, is constitutionally equiva-
    lent to one that is open or transparent, because it "clearly
    reveal[s] its contents." Id.; see also Arizona v. Hicks, 
    480 U.S. 321
    , 328 (1987) ("[A] truly cursory inspection — one that
    involves merely looking at what is already exposed to view,
    without disturbing it — is not a ‘search’ for Fourth Amend-
    ment purposes, and therefore does not even require reasonable
    suspicion."); United States v. Payne, 
    181 F.3d 781
    , 787 n.4
    (6th Cir. 1999) ("There is no such thing as a ‘plain-view
    search.’").10
    We have carefully limited the scope of this "proclaims its
    contents" exception to cases where the incriminating nature of
    the contents is a "foregone conclusion." See 
    Williams, 41 F.3d at 192
    ; see also 
    Sanders, 442 U.S. at 764
    n.13 (requiring that
    the container’s owner not maintain "any reasonable expecta-
    10
    "As Robbins v. California . . . has established, it takes an open pack-
    age, or one whose configuration is distinctive as to its contents (i.e., a kit
    of burglary tools or a gun case) to bring into play the plain view exception
    to the generally unyielding rule that a warrant must first be obtained."
    Blair v. United States, 
    665 F.2d 500
    , 513 (4th Cir. 1981) (Murnaghan, J.,
    dissenting); see 
    id. at 510
    (Murnaghan, J., dissenting) ("It is elementary
    that probable cause alone does not permit a search. It only provides a sub-
    stantiating basis for issuance of a warrant.").
    UNITED STATES v. DAVIS                            73
    tion of privacy" in the contents) (emphasis added).11 Indeed in
    United States v. Corral, 
    970 F.2d 719
    (10th Cir. 1992), on
    which Williams principally relied, the court found that no
    search occurred only because there was a "virtual certainty"
    that the package contained, in that case, cocaine. 
    Id. at 726
    (quoting 
    Brown, 460 U.S. at 751
    n.5 (Stevens, J., concurring
    in the judgment)). The obviousness of a container’s contents
    must be such that an officer’s view of the container is "equiv-
    alent to the plain view" of the incriminating contents them-
    selves. 
    Id. (emphasis added).12
    The analogy we used in
    11
    To the extent Sanders and the Robbins plurality required that officers
    who have probable cause that a vehicle contained evidence of crime must
    obtain a warrant to search closed containers in the vehicle, those cases
    were overruled. See United States v. Ross, 
    456 U.S. 798
    , 825 (1982); Cali-
    fornia v. Acevedo, 
    500 U.S. 565
    , 580 (1991). The discussions in Sanders
    and Robbins of when the contents of a closed, opaque container are none-
    theless obvious, however, remain accurate and unaltered. See 
    Williams, 41 F.3d at 196
    .
    12
    The majority suggests, utterly without support in the record, that
    Detective King’s testimony that he observed "a bag underneath of the hos-
    pital bed that contained clothing," Maj. Op. at 15 (citing J.A. 140), "fairly
    supports an inference that Officer King could see the clothing through the
    bag or that the bag was partially open, revealing clothing," 
    id. at 15.
    The
    majority’s reasoning is clearly flawed; Detective King’s conclusory state-
    ment reflecting his own personal belief that the bag contained clothing
    does nothing to confirm that the belief was anything but an unfounded
    assumption. For instance, if an employee of a McDonald’s restaurant
    stated that a happy meal contained French fries, we could not reasonably
    infer that the employee had looked into the box. Instead, it is most likely
    that the employee merely assumed that the customer had chosen that clas-
    sic side item, when the customer may well have thought better and opted
    for apple slices instead.
    Contrary to the majority’s speculation that Detective King seized the
    clothing because he could actually see it in or through the bag, the govern-
    ment concedes in its brief that Detective King’s nonconsensual, warrant-
    less seizure of Davis’s personal property was simply King’s standard
    operating procedure. See Govt’s Br. at 19 ("As was his practice in previ-
    ous shooting investigations, Detective King secured the victim’s clothing,
    which had been removed by hospital staff to treat the injury . . . ."). The
    district court’s analysis on this point could not be clearer: "There was no
    74                      UNITED STATES v. DAVIS
    Williams illustrates both the centrality to the plain view sei-
    zure doctrine of the character of the container and the high
    degree of certainty required: "[W]hen a person opens a Her-
    shey bar, it is a foregone conclusion that there is chocolate
    
    inside." 41 F.3d at 198
    ; see also 
    Brown, 460 U.S. at 750-51
    (Stevens, J., concurring in the judgment) (concurring in the
    application of the exception because the container there—a
    knotted party balloon located in a car close to several small
    plastic vials, quantities of loose white powder, and an open
    bag of party balloons—was "one of those rare single-purpose
    containers which ‘by their very nature cannot support any rea-
    sonable expectation of privacy because their contents can be
    inferred from their outward appearance’"). Only if the charac-
    ter of a closed, opaque container proclaims its incriminating
    contents to such a degree do we excuse officers from obtain-
    ing a search warrant to open the container, assuming the offi-
    cer has lawfully come into possession of the container.13
    testimony as to whether the bag was open or closed, or whether it was
    transparent, opaque, or somewhere in-between." 
    Davis, 657 F. Supp. 2d at 638
    . The majority is not entitled to enhance this negative finding so that
    it becomes the basis for an inference favorable to the government.
    Thus, the majority’s extraordinary appellate factfinding ignores the
    undisputed applicability of the rule that in this case the government bore
    the burden of proof to establish all the facts necessary to the existence of
    whatever warrant exception might save the search and seizure in this case,
    see supra p. 61-62. The majority indulges a so-called "inference" never
    propounded by the government or drawn by the district court, and not sup-
    ported by any finding of the district court, in favor of the government. See,
    e.g., Maj. Op. at 15 ("Nothing in the record contradicts such a conclu-
    sion."). Davis had no burden to disprove anything regarding the lawful-
    ness of the search of the bag. Any absence of evidence on the point should
    count against the party with the burden of proof, here the government.
    13
    The constitutionality of this corollary to the plain view seizure doc-
    trine is widely accepted, but there seems to be a circuit split with respect
    to whether the "foregone conclusion" analysis incorporates extrinsic evi-
    dence and/or an officer’s specialized knowledge. In Williams we consid-
    ered relevant that the officer had years of experience in narcotics
    
    investigations. 41 F.3d at 198
    . Other circuits have instead analyzed the
    UNITED STATES v. DAVIS                            75
    The above principles reflect the longstanding interplay
    between the two separate interests at stake: citizens’ interest
    in retaining possession of their property and their interest in
    maintaining personal privacy. These two interests roughly
    correspond to seizures and searches, respectively, as "[a] sei-
    zure threatens the former, a search the latter." 
    Brown, 460 U.S. at 747
    (Stevens, J., concurring in the judgment). This
    distinction, in turn, informs the plain view seizure doctrine in
    this context. As Justice Stevens has explained,
    As a matter of timing, a seizure is usually preceded
    by a search, but when a container is involved the
    converse is often true. Significantly, the two pro-
    tected interests are not always present to the same
    extent; for example, the seizure of a locked suitcase
    does not necessarily compromise the secrecy of its
    contents, and the search of a stopped vehicle does
    not necessarily deprive its owner of possession.
    question from the objective viewpoint of a reasonable layperson. See, e.g.,
    United States v. Gust, 
    405 F.3d 797
    , 803 (9th Cir. 2005) ("[C]ourts should
    assess the nature of a container primarily with reference to general social
    norms rather than solely by the experience and expertise of law enforce-
    ment officers.") (internal quotation marks and alteration omitted); United
    States v. Meada, 
    408 F.3d 14
    , 23 (1st Cir. 2005) (holding that the defen-
    dant had no reasonable expectation of privacy in the contents of a con-
    tainer that was labeled "GUN GUARD" and thus was "readily identifiable
    as a gun case"); United States v. Villarreal, 
    963 F.2d 770
    , 775-76 (5th Cir.
    1992) (holding that even though fifty-five gallon drums were labeled
    "phosphoric acid," their contents could not necessarily be "inferred"; "The
    fact that the exterior of a container purports to reveal some information
    about its contents does not necessarily mean that its owner has no reason-
    able expectation that those contents will remain free from inspection by
    others."); United States v. Bonitz, 
    826 F.2d 954
    , 956 (10th Cir. 1987)
    ("This hard plastic case did not reveal its contents to the trial court even
    though it could perhaps have been identified as a gun case by a firearms
    expert."). I believe the latter view is the proper one, because it is consis-
    tent with the underlying rationale that a person does not maintain a reason-
    able expectation of privacy in contents of a container that are essentially
    open to view.
    76                  UNITED STATES v. DAVIS
    
    Id. at 747-48.
    Apart from the special concerns arising from seizures of
    containers, we allow police officers to seize incriminating
    objects in plain view with a showing only of probable cause
    because the seizure "threatens only the interest in possession;"
    such objects "can be seized without compromising any inter-
    est in privacy." 
    Id. at 748.
    "[I]f an officer has probable cause
    to believe that a publicly situated item is associated with crim-
    inal activity" the owner’s interest in possession is "dimin-
    ish[ed]," and becomes "outweighed by the risk that such an
    item might disappear or be put to its intended use before a
    warrant could be obtained," and the object may be seized
    without a warrant. 
    Id. (citing G.M.
    Leasing Corp. v. United
    States, 
    429 U.S. 338
    , 354 (1975); Payton v. New York, 
    445 U.S. 573
    , 587 (1980)).
    Where there is a "link" between the seizure and "a prior or
    subsequent search," however, there is a "danger . . . that offi-
    cers will enlarge a specific authorization, furnished by a war-
    rant or an exigency, into the equivalent of a general warrant
    to rummage and seize at will." 
    Id. Averting that
    danger
    requires not only that the officer have probable cause to con-
    nect the item with criminal behavior, but also that the seizure
    "entail[s] no significant additional invasion of privacy." 
    Id. This danger
    is particularly acute where, as here, "an officer
    comes upon a container in plain view and wants both to seize
    it and to examine its contents." 
    Id. at 749.
    The Court has "em-
    phasiz[ed] the Fourth Amendment privacy values implicated
    whenever a container is opened." 
    Id. 3. In
    light of these controlling principles, the dispositive
    issues bearing on the applicability of the plain view seizure
    doctrine before the district court were fairly straightforward.
    Given the above concerns, the issues can be easily framed:
    Could the government justify Detective King’s nonconsen-
    UNITED STATES v. DAVIS                    77
    sual, warrantless seizure of the bag, a closed, opaque con-
    tainer, on the one hand? Relatedly (but distinctly), did King’s
    immediate opening of such a container constitute a "non-
    search" (because it does not invade its owner’s reasonable
    expectation of privacy) or, instead, an impermissible warrant-
    less search, on the other hand? Although the district court and
    the majority of the panel conclude that our Williams precedent
    provides easy answers to those questions, upon a close view
    of the facts in Williams and in light the precedents discussed
    above, it is clear that the majority’s reliance on that case is
    wholly misplaced.
    In Williams, an airline employee conducted a private search
    of the defendant’s luggage and found several cellophane-
    wrapped packages that, according to her, "looked like 
    dope." 41 F.3d at 198
    . She alerted police officers, who seized the
    packages and then removed some of the content, conducting
    a chemical field test that revealed that the packages contained
    cocaine. 
    Id. at 194.
    The seizure was proper under the plain
    view doctrine, we concluded, because not only did the offi-
    cers have lawful access to the packages; there was "no doubt"
    of the packages’ "incriminating nature": "the packages were
    wrapped in heavy cellophane with a brown opaque material
    inside, and were found with towels, dirty blankets and a shirt
    in an otherwise empty suitcase." 
    Id. at 196-97.
    In fact, the
    seizing officer later testified that "in his ten years of experi-
    ence such packages always contained narcotics." 
    Id. at 197
    (emphasis added).
    We then turned to whether the police needed a warrant to
    remove any of the contents of the packages. To justify the
    warrantless search, we explained, the government must not
    only show there was probable cause the container contained
    evidence of a crime, but rather that, based on characteristics
    of the container itself and "the circumstances under which an
    officer [found] the container," the contents’ incriminating
    nature was "a foregone conclusion." 
    Id. at 197
    (citing 
    Blair, 665 F.2d at 507
    ). We concluded that "the incriminating nature
    78                      UNITED STATES v. DAVIS
    of the five packages found in Williams’ suitcase was a fore-
    gone conclusion," given
    (1) the manner in which the cocaine was packaged
    (apparently weighing approximately one kilogram
    each, heavily wrapped in cellophane with a brown
    opaque material inside); (2) Detective Finkel’s firm
    belief, based on his ten years’ experience, that pack-
    ages appearing in this manner always contained nar-
    cotics; (3) [the airline employee’s] belief that the
    packages contained narcotics; and (4) that the only
    items found in Williams’ suitcase besides the five
    packages of cocaine were towels, dirty blankets, and
    a shirt with a cigarette burn.
    
    Id. at 198.
    Because the presence of illegal narcotics in the
    packages was a foregone conclusion, Williams had no reason-
    able expectation of privacy in those contents. Accordingly,
    under the venerable Katz principle, see Katz v. United States,
    
    389 U.S. 347
    , 361 (1967) (Harlan, J., concurring), the offi-
    cers’ observation of those contents did not constitute a
    "search," and thus "a search warrant was unnecessary." Wil-
    
    liams, 41 F.3d at 198
    ; See 
    Jackson, 131 F.3d at 1108
    (reaf-
    firming that no "search" occurs when the plain view seizure
    doctrine properly applies to the contents of an opaque con-
    tainer).
    Simply put, despite the majority’s labored efforts to the
    contrary, this case is not Williams or Corral. Most important,
    under a proper plain view seizure analysis, it cannot be said
    that a reasonable officer in King’s position had "knowledge
    approaching certainty," 
    Corral, 970 F.2d at 725
    , that the bag
    under Davis’s hospital bed contained evidence of a felonious
    shooting in which Davis was a "victim."14 The district court
    14
    As noted above, a determination whether "historical facts satisfy a
    constitutional standard" is reviewed de novo. 
    Gwinn, 219 F.3d at 331
    . The
    question whether the information available to Detective King rendered the
    incriminating nature of the contents a "foregone conclusion" is such a
    determination, as the historical facts surrounding the seizure of the bag are
    not in dispute.
    UNITED STATES v. DAVIS                           79
    and the majority treat the bag of Davis’s clothing as analo-
    gous to the cellophane-wrapped cocaine in Williams. See Maj.
    Op. at 16 (holding that "the totality of the circumstances . . .
    support[s] the determination that it was a foregone conclusion
    the bag under Davis’ hospital bed contained the clothing he
    wore when he was shot," and that the clothing was evidence
    of a crime). I disagree.
    As a matter of law, based on what was known by the offi-
    cers after they attempted to interview Davis at the hospital,
    the likelihood that the bag contained probative evidence of a
    felonious shooting in which Davis was a victim does not rise
    to the level of probable cause. In the first place, there is
    unwarranted confidence shown by the district court and the
    majority that Davis’s pants would contain a bullet hole. See
    
    id. at 16-17
    ("We have little trouble, however, in concluding
    that Davis’ pants would contain a bullet hole, and would thus
    be incriminating evidence in the prosecution of his assailant.
    Such a conclusion is based on the circumstances, Davis’
    appearance, and the location of his bullet wound."). The facts
    of United States v. Jamison, 
    509 F.3d 623
    (4th Cir. 2007),
    illustrate why this confidence is misplaced.
    The defendant in Jamison was a felon who accidentally
    shot himself in the groin area with a gun he had been carrying
    in his 
    waistband. 509 F.3d at 625
    . Like Davis here, when
    Jamison was transported by his associates to the hospital for
    treatment, he relayed to investigating officers a fanciful false-
    hood that he was the victim of an attempted robbery. 
    Id. at 626.
    The investigating officer noticed Jamison’s clothing on
    a chair in the treatment room and confirmed by the absence
    of a bullet hole in Jamison’s pants that Jamison was lying
    about the circumstances surrounding how he was shot.15 
    Id. It 15
         We described this turn of events as follows in our opinion reversing
    the district court’s grant of Jamison’s motion to suppress evidence for vio-
    lation of the Miranda doctrine:
    80                      UNITED STATES v. DAVIS
    was far from "a foregone conclusion" that, apart from the
    likely presence of blood on Davis’s clothing, the contents of
    the bag would serve as useful evidence in the prosecution of
    an illusory "shooter" about whom Davis would provide no
    information. Indeed, the photograph in the record of Davis’s
    high-thigh wound depicts a wound that is entirely consistent
    with one that would be suffered from an accidental discharge
    of a weapon by someone carrying a firearm in his waistband.
    Equally important, there can be scant doubt that, in view of
    Davis’s refusal to cooperate with the officers who responded
    to the hospital to investigate, the HCPD officers fairly quickly
    turned their attention to Davis as a suspect in criminal activ-
    ity, just as Jamison quickly became a suspect in his own
    shooting. Indeed, even the government contends on appeal
    (contrary to the majority’s facile attempt to show that in seiz-
    ing Davis’s personal property the Howard County police were
    seeking to "protect" Davis), that the police appropriately
    deemed Davis to be "not an innocent crime victim." Govt’s
    Br. at 46-47 n.13. But see 
    Davis, 657 F. Supp. 2d at 640
    ("Davis was positively the victim of a violent crime.").
    Without securing Jamison’s consent, Detective Macer exam-
    ined Jamison’s injury, partially exposing his genitalia. He found
    charring and stippling at the entry wound consistent with a shot
    fired at close range. He further observed a downward trajectory
    from the entry wound to the exit wound. Finding these facts to
    be in tension with Jamison’s account of the shooting, Detective
    Macer then examined Jamison’s clothing and found no bullet
    holes. Detective Macer again asked Jamison to explain the shoot-
    ing; Jamison repeated that he was shot while using drugs. When
    Detective Macer explained that his observations seemed inconsis-
    tent with Jamison’s story, Jamison admitted that he shot himself
    with a handgun and threw the gun away. Detective Macer asked
    Jamison to reveal the location of the gun so that it could be
    secured, but Jamison refused, explaining that he was on proba-
    tion.
    
    Jamison, 509 F.3d at 626-27
    (footnote omitted).
    UNITED STATES v. DAVIS                             81
    The actions of the officers in searching the car in which
    Davis was transported to the hospital and in eventually arrest-
    ing Davis and his friend bear out this highly likely scenario.
    Indeed, the facts of this case show that because Davis used a
    falsely made District of Columbia driver’s license bearing his
    photograph under the alias "Gary Edmonds," the only way in
    which the HCPD could reliably identify Davis was to arrest
    him and take his fingerprints. That is exactly what they were
    determined to do and that is exactly what they did. In short,
    even the investigating officers did not believe Davis was a
    victim; rather, they were investigating his possible involve-
    ment in criminal activity. Thus, rather than accept uncritically
    the officers’ post hoc rationalization that they needed Davis’s
    clothing to prosecute the unknown person who allegedly shot
    him, under the circumstances of this case, "[w]e should be
    reiterating the usual exhortation: ‘Get a warrant.’" United
    States v. Norman, 
    701 F.2d 295
    , 302 (4th Cir.) (Murnaghan,
    J., concurring), cert. denied, 
    464 U.S. 820
    (1983).16
    16
    A unanimous Supreme Court of Georgia recently reached the same
    conclusion on material facts nearly identical to those here in an interlocu-
    tory appeal in a capital case. In Clay v. State, 
    725 S.E.2d 260
    (Ga. 2012),
    an officer had seized a bag containing a murder suspect’s bloody clothing
    while the suspect (who, unlike Davis, was unconscious at the time of the
    seizure) was undergoing treatment at a 
    hospital. 725 S.E.2d at 264
    , 269.
    The court found that the officers were not justified in opening the bag
    because "all that was in plain view when Officer Cupp seized the bagged
    clothing from the counter was the pink and white personal effects bag
    itself." 
    Id. at 269.
    "[W]ithout opening the bag, it was not a ‘foregone con-
    clusion’ that the bag contained [the suspect’s] bloody clothes," and so the
    "full-blown search of the bag" constituted an unlawful search. 
    Id. Concomitantly, Davis
    cites to us, as he cited to the district court, a raft
    of cases supporting the unremarkable proposition, largely accepted by the
    district court but ignored by the majority, that a hospital patient retains his
    constitutionally protected interests in his clothing removed by hospital
    personnel in the course of their rendering treatment to him. See Appel-
    lant’s Br. at 23-24 (citing Jones v. State, 
    648 So. 2d 669
    (Fla. 1994); Peo-
    ple v. Jordan, 
    468 N.W.2d 294
    , 301 (Mich. App. 1991); Commonwealth
    v. Silo, 
    389 A.2d 62
    , 63-67 (Pa. 1978); People v. Watt, 
    462 N.Y.S.2d 389
    ,
    391-92 (N.Y. Sup. Ct. 1983); Morris v. Commonwealth, 
    157 S.E.2d 191
    ,
    194 (Va. 1967); People v. Hayes, 
    154 Misc. 2d 429
    , 430-34 (N.Y. Sup. Ct.
    1992); State v. Lopez, 
    476 S.E.2d 227
    , 231-34 (W.V. 1996). Not a single
    one of these courts accepted the deeply flawed conception of the plain
    view doctrine applied by the district court in this case and accepted here
    by the majority.
    82                  UNITED STATES v. DAVIS
    As should thus be apparent, the "incriminating" nature of
    the contents of the bag here was nowhere close to being so
    obvious that no "search" occurred — unlike in Williams. In
    Williams, the drug packaging at issue was so readily recogniz-
    able that even a lay person, the airline employee who origi-
    nally opened the baggage, testified that she immediately
    reported her discovery because "the bags looked like dope."
    
    See 41 F.3d at 198
    (noting that "[b]ecause Lee is a layperson,
    not trained in law enforcement, her belief that the five pack-
    ages contained ‘dope’ strongly supports the district court’s
    conclusion that the contents of the packages were a foregone
    conclusion"). The hearing testimony in this case did not indi-
    cate that the bag was distinctive in any way; thus, the govern-
    ment did not satisfy its burden on that issue. Indeed, the
    district court noted that "[t]here was no testimony as to
    whether the bag was open or closed, or whether it was trans-
    parent, opaque, or somewhere in-between." Davis, 657 F.
    Supp. 2d at 638. Neither Detective King nor Lieutenant
    Lampe was able to provide a description of the bag beyond
    Lieutenant Lampe’s comment that it was probably plastic.
    Moreover, the Williams court emphasized Detective Fin-
    kel’s testimony that, based on his ten years of experience in
    narcotics enforcement, packages of the sort at issue "always"
    contain 
    narcotics. 41 F.3d at 198
    (emphasis in original). In
    this case, Detective King testified on cross-examination that
    "the hospital makes a practice to secure any property that they
    take. Clothing from a victim, they place it under their bed."
    J.A. 147. When asked the follow up question, "So you’re
    familiar it’s the hospital’s practice to secure that clothing in
    a white opaque plastic bag; is that correct?," Detective King
    responded, "It’s been in different things. Sometimes it all
    depends on if somebody bags it or not." 
    Id. In addition,
    as
    
    stated supra
    , neither Detective King nor Lieutenant Lampe
    was able to describe the bag. Detective King’s testimony
    clearly does not rise to the level of familiarity or certainty
    expressed by Detective Finkel in Williams. Manifestly, it does
    not rise to Justice Stevens’s "virtually certain" metric. The
    UNITED STATES v. DAVIS                            83
    government’s evidence of the nature of the bag and the sur-
    rounding circumstances was equivocal at best, and clearly did
    not rise to the level of virtual certainty that the bag would
    contain contraband, which the government would have to
    show to establish that no "search" of the bag’s contents
    occurred.
    Williams is also inapposite on its facts in two additional
    meaningful respects, such that the case does not support, let
    alone dictate, the result reached by the majority. First, the
    Williams court, in language and reasoning that was wholly
    unnecessary to the outcome of its analysis, considered not
    only the extrinsic evidence of the contents of the packages,
    but also the physical appearance and character of the pack-
    ages to bolster its conclusion, whereas the district court in this
    case considered only extrinsic evidence. Considering only
    extrinsic evidence, and not the physical appearance and char-
    acter of the container itself, takes the "foregone conclusion"
    analysis too far from the origins of the plain view seizure con-
    tainer exception acknowledged in Sanders footnote 13, in
    which the Supreme Court provided the quintessential exam-
    ples of a single-purpose container, namely "a kit of burglar
    tools or a gun 
    case." 442 U.S. at 764
    n.13. The Sanders Court
    noted that the contents of such containers "can be inferred
    from their outward appearance." 
    Id. Narcotics packaging
    is so
    readily recognizable as to rise to the level of the archetypal kit
    of burglar tools or a gun case. A non-descript plastic bag does
    not so betray its contents.17
    17
    None of the cases cited by the government in support of its reconcep-
    tualization of the plain view seizure doctrine are to the contrary. See
    United States v. Jackson, 
    381 F.3d 984
    (10th Cir. 2004) (after officer
    searched baby powder container with defendant’s consent and discovered
    cocaine secreted inside, officer could replace lid to container, arrest defen-
    dant, and then reopen the container at the police station without obtaining
    a warrant); United States v. Eschweiler, 
    745 F.2d 435
    , 455 (7th Cir. 1984)
    (during search of premises, key to safety deposit box discovered in an
    envelope marked "safety deposit box"); United States v. Morgan, 
    744 F.2d 1215
    , 1222 (6th Cir. 1984) (after airline employee opened suspicious
    84                       UNITED STATES v. DAVIS
    Second, and critically, the search in Williams was a search
    for contraband and not mere evidence of someone’s criminal
    act.18 For the reasons expressed above, see supra pp. 65-66,
    in addition to his possessory interest in the bag and its con-
    tents, Davis clearly enjoyed a reasonable expectation of pri-
    vacy in his own clothing and their contents every bit as much
    as he enjoyed a reasonable expectation of privacy, as the
    majority rightly holds, in the chemical facts concerning his
    biological material and blood.19 Indeed, it is curious, to say
    package and discovered container marked with names of controlled sub-
    stances used to dilute illegal narcotics, and then without a request by drug
    agents, reopened suitcase when drug agents arrived, chemicals were in
    "plain view" of agents and marked containers could be opened without a
    warrant).
    18
    Of course, I do not seek a return to the "mere evidence" doctrine dis-
    carded by the Supreme Court in Warden v. Hayden, 
    387 U.S. 294
    , 301-02
    (1967). Rather, the point here is that my search of Supreme Court and cir-
    cuit authority, as I discuss in the text, does not reveal an instance in which
    a law enforcement officer has been authorized to seize a closed, opaque
    container containing non-contraband personalty from the possession of a
    person on the basis of the plain view exception. In such circumstances,
    even assuming a seizure is allowed, absent some applicable warrant
    exception, if the ensuing search of the container was without a warrant, the
    search violates the Fourth Amendment. Ample Supreme Court authority
    supports this view. 
    See supra
    pp. 64-67.
    19
    In contrast, one never has a reasonable expectation of privacy in
    regard to his possession of contraband. See United States v. Moore, 
    562 F.2d 106
    , 111 (1st Cir. 1977) (observing that "the possessors of [contra-
    band and stolen property] have no legitimate expectation of privacy in
    substances which they have no right to possess at all"), cert. denied, 
    435 U.S. 926
    (1978); cf. 
    Jacobsen, 466 U.S. at 123
    ("A chemical test that
    merely discloses whether or not a particular substance is cocaine does not
    compromise any legitimate interest in privacy."). Jacobsen and the cases
    relied on by the majority, see Maj. Op. at 17-18, are entirely consistent
    with this longstanding rule. See, e.g., United States v. Smith, 
    459 F.3d 1276
    , 1293 (11th Cir. 2006) (plain view seizure of child pornography in
    the course of a search for narcotics); United States v. Rodriguez, 
    601 F.3d 402
    , 408 (5th Cir. 2010) (where officers came upon a sawed-off shotgun
    in the course of responding to a domestic violence call, the court reasoned
    that, "The shotgun was properly seized on a temporary basis to secure it
    so that the officers could investigate the domestic disturbance call. Once
    seized for this purpose, the incriminating nature of the weapon became
    apparent and it was then subject to permanent seizure as contraband.").
    UNITED STATES v. DAVIS                            85
    the least, to reason as does the majority that Davis retained,
    for several years after the bag was seized at the hospital, a
    reasonable expectation of privacy in the character of his DNA
    molecules, but that he lacked any reasonable expectation of
    privacy in the presence of those molecules in his blood while
    they were embedded in his clothing and hidden from the gov-
    ernment in a bag which was effectively in his actual posses-
    sion at the hospital. Thus, I would limit Williams and its
    reliance on extrinsic indicia of the container’s contents to
    cases involving the plain view seizure of containers holding
    contraband.
    For all these reasons, Williams does not control the out-
    come in this case.20
    C.
    For the foregoing reasons, unlike the majority, I would
    hold, at minimum, that not only the extraction of Davis’s
    DNA, the creation of his DNA profile and its retention in the
    local DNA database violated Davis’s constitutional right to be
    20
    In fairness to my well-meaning colleagues in the majority, they are not
    the first judges to misapply the plain view seizure doctrine. See, e.g.,
    Boone v. Spurgess, 
    385 F.3d 923
    , 928 (6th Cir. 2004) 
    (discussed supra
    n.5.) For example, in jurisdictions such as Maryland, where transporting
    an unsecured handgun in a vehicle is generally prohibited, if during a traf-
    fic stop an officer observed from outside the vehicle the barrel of a hand-
    gun, it is not the plain view seizure doctrine that authorizes the officer to
    enter the vehicle to seize the weapon. Rather, now with probable cause to
    arrest all the occupants, see Maryland v. Pringle, 
    540 U.S. 366
    (2003), and
    with probable cause to believe that the vehicle contains evidence of a
    criminal offense, the officer can search the vehicle and seize the firearm
    under either the search incident to arrest exception or the automobile
    exception to the warrant requirement. See 
    id. The officer’s
    view of the
    firearm was certainly "plain" in the "Merriam Webster" sense, but there
    is no occasion for proper application of the plain view seizure doctrine.
    Whether such cases come to the court by virtue of governmental theoriz-
    ing or otherwise I cannot say, but we should guard against, rather than
    embrace, such distortions of doctrine.
    86                  UNITED STATES v. DAVIS
    free from unreasonable searches, but that the nonconsensual,
    warrantless search of the bag containing his personal effects
    likewise violated that right. Accordingly, I respectfully dis-
    sent from the majority’s contrary resolution of the merits of
    the Fourth Amendment issue. "[T]he value of the Fourth
    Amendment derives from the consideration that only when it
    is applied evenhandedly-to smugglers, murderers, and rapists
    as well as to others-does it retain its effectiveness for the
    decent citizenry." Norman, 
    701 F.2d 295
    at 302 (Murnaghan,
    J., concurring). I regret the majority’s distortion of the plain
    view doctrine in order to save the unconstitutional search
    challenged in this case.
    III.
    The majority, having concluded that only the extraction and
    analysis of Davis’s DNA by the PGCPD violated the Fourth
    Amendment, and having assumed that the retention of his
    DNA in the local CODIS database was a further violation,
    nevertheless refuses to apply the exclusionary rule. I respect-
    fully dissent from that choice. I would find that the district
    court erred in admitting evidence flowing from the HCPD’s
    unlawful seizure and search of Davis’s clothing and the
    PGCPD’s unlawful extraction, analysis and retention of his
    DNA profile, including in particular the evidence of the match
    between the known sample obtained pursuant to the search
    warrant and DNA recovered from the scene of the Schwindler
    murder. Because this case does not fall within any version of
    the "good faith" exception recognized under extant Supreme
    Court or Fourth Circuit precedent, I would reject the district
    court’s decision not to apply the exclusionary rule.
    The Fourth Amendment protects the fundamental "right of
    the people to be secure in their persons, houses, papers, and
    effects, against unreasonable searches and seizures," U.S.
    Const. amend. IV, but "contains no provision expressly pre-
    cluding the use of evidence obtained in violation of its com-
    mands," Arizona v. Evans, 
    514 U.S. 1
    , 10 (1995). Thus, the
    UNITED STATES v. DAVIS                    87
    Supreme Court created the exclusionary rule, an auxiliary to
    the Amendment which "compel[s] respect for the constitu-
    tional guaranty," Elkins v. United States, 
    364 U.S. 206
    , 217
    (1960), by forbidding the use of illegally obtained evidence at
    trial. See Weeks v. United States, 
    232 U.S. 383
    (1914) (adopt-
    ing federal exclusionary rule); Mapp v. Ohio, 
    367 U.S. 643
    (1961) (applying exclusionary rule to the states through the
    Fourteenth Amendment). Suppression is not an automatic
    consequence of all Fourth Amendment violations, however.
    See Herring v. United States, 
    555 U.S. 135
    , 137 (2009).
    The Supreme Court created the "good-faith" exception to
    the exclusionary rule in United States v. Leon, 
    468 U.S. 897
    (1984). In Leon, the Court held that the exclusionary rule does
    not apply when the police conduct a search in "objectively
    reasonable reliance" on a warrant later held invalid. 
    Id. at 922;
    see also Massachusetts v. Sheppard, 
    468 U.S. 981
    , 990-91
    (1984) (companion case declining to apply exclusionary rule
    where warrant held invalid as a result of judge’s clerical
    error). In the twenty-eight years since deciding Leon, a
    sharply-divided Supreme Court has applied variations on the
    Leon good-faith exception in several specific circumstances.
    In Illinois v. Krull, 
    480 U.S. 340
    (1987), the Court applied the
    good-faith exception to a search conducted in reasonable reli-
    ance on a subsequently invalidated statute. 
    Id. at 349-50.
    In
    Evans, 
    514 U.S. 1
    , the Court applied the good-faith exception
    where police reasonably relied on erroneous information con-
    cerning an arrest warrant in a database maintained by non-law
    enforcement, judicial employees. 
    Id. at 6,
    14-16.
    More recently, in Herring, decided approximately nine
    months prior to the district court’s decision in this case, the
    Supreme Court addressed a question left unresolved by
    Evans, namely "whether the evidence should be suppressed if
    police personnel were responsible for the 
    error." 555 U.S. at 142-43
    (quoting 
    Evans, 514 U.S. at 16
    n.5) (internal quotation
    marks omitted). Considering whether the exclusionary rule
    applies where police failed to update records in a warrant
    88                   UNITED STATES v. DAVIS
    database, leading to the unlawful arrest of the defendant on
    the basis of a recalled warrant, the Herring Court held, over
    a spirited dissent, that where "the error was the result of iso-
    lated negligence attenuated from the arrest . . . the jury should
    not be barred from considering all the evidence." 
    Id. at 137
    -
    38. The Court reasoned that, "when police mistakes are the
    result of negligence . . . , rather than systemic error or reckless
    disregard of constitutional requirements, any marginal deter-
    rence does not pay its way." 
    Id. at 147-48
    (internal quotation
    marks omitted). Most recently, the Court in United States v.
    Davis, 
    131 S. Ct. 2419
    (2011), applied a further variation on
    the Leon good-faith exception where police conducted a
    search in objectively reasonable reliance upon binding judi-
    cial precedent that was later overruled. 
    Id. at 2423-24.
    The majority reasons that, "[i]n order to properly apply
    Leon, Herring, and Davis here, we must focus on the culpa-
    bility of the actors who committed the violations." Maj. Op.
    at 45. The majority assumes without discussion that Leon and
    its progeny govern here, and thus proceeds directly to the
    broad cost-benefit analysis that underlies the narrow holdings
    in those cases. As discussed infra, however, each of the cases
    upon which the majority relies is clearly distinguishable from
    the case at bar. Thus, the majority’s application of the good-
    faith exception to preclude suppression in this case marks a
    departure from the Supreme Court’s exclusionary rule prece-
    dents and represents a new, free-standing exception never
    sanctioned by the Court or by precedent in this Circuit.
    In Leon, Krull, Evans and Davis, the Supreme Court rea-
    soned that exclusion does not serve to deter unconstitutional
    police conduct where the actor primarily responsible for the
    Fourth Amendment violation is not a law enforcement officer.
    See Leon, 
    468 U.S. 897
    (magistrate judge); Krull, 
    480 U.S. 340
    (legislators); Evans, 
    514 U.S. 1
    (clerk in the employ of
    the judiciary); Davis, 
    131 S. Ct. 2419
    (judiciary). This ratio-
    nale clearly does not apply here, where HCPD and PGCPD
    employees violated the Fourth Amendment. In this respect,
    UNITED STATES v. DAVIS                  89
    our case is most like Herring, which also dealt with unconsti-
    tutional conduct by law enforcement personnel. Nevertheless,
    Herring is likewise inapplicable because it crafted a narrow
    exception to the exclusionary rule that applies only where "the
    error was the result of isolated negligence attenuated from
    
    arrest." 555 U.S. at 137
    . The majority fails to recognize that
    neither of the qualifiers present in Herring, namely "isolated
    negligence" and "attenuation," is present here.
    Instead, the record in our case shows unmistakably that the
    constitutionally violative conduct is not only deliberate and
    intentional but is systemic; most assuredly, it was not an iso-
    lated blunder. Detective King testified that, as on previous
    occasions when he has responded to Howard County General
    Hospital to investigate shootings, hospital personnel did not
    assist him in obtaining Davis’s effects. This statement indi-
    cates that Detective King has seized patients’ belongings in
    the manner at issue here on other occasions. 
    See supra
    n.11.
    In addition, the DNA analyst who entered Davis’s profile into
    the local CODIS database testified that she was aware that
    Davis had been cleared of suspicion in the Neal murder before
    his DNA profile was added to the local CODIS database.
    Furthermore, the "Request for Examination" form submit-
    ted to the PGCPD Serology DNA Laboratory ("DNA Lab")
    along with Davis’s bloody clothing indicated that "these sam-
    ples are from a shooting the suspect was a victim of in How-
    ard Co. MD." Supp. J.A. 76. The DNA analyst testified that
    the database contained profiles of both suspects and victims,
    indicating that the PGCPD regularly retained the DNA pro-
    files of persons, such as Davis, who had not been arrested,
    charged with, or convicted of any crime. The government
    confirmed at oral argument that it was the PGCPD’s policy to
    upload every DNA profile it analyzed into the local CODIS
    database, regardless of the individual’s status, the method by
    which the sample was obtained, or whether the sample might
    be tainted by an antecedent constitutional violation. Oral Arg.
    Tr. at 28:40. Thus, the record indicates that the PGCPD ana-
    90                  UNITED STATES v. DAVIS
    lyst and officers knew that Davis was a victim at the time the
    sample was collected, that Davis was not a suspect when his
    DNA profile was entered into the local database, and that it
    was the PGCPD’s policy and practice to retain the DNA pro-
    files of such persons. Thus, by the government’s own admis-
    sion, the constitutionally violative conduct was clearly
    systemic. See Hudson v. Michigan, 
    547 U.S. 586
    , 604 (2006)
    (Kennedy, J., concurring in part and concurring in the judg-
    ment) (opining that, "[i]f a widespread pattern of violations
    were shown, and particularly if those violations were commit-
    ted against persons who lacked the means or voice to mount
    an effective protest, there would be reason for grave con-
    cern").
    The expungement provisions in the Maryland and federal
    indexing statutes also recognize a privacy interest for those in
    Davis’s position. As the district court recognized, "[b]oth
    laws require that an individual’s DNA record be expunged
    from the database if the defendant is never convicted, his con-
    viction is reversed or vacated, or the charges are dismissed."
    Davis, 
    657 F. Supp. 2d
    at 659 (citing 42 U.S.C.
    §§ 14132(d)(1)(A)(i)-(ii); 42 U.S.C. §§ 14132(d)(2)(A)(i)-(ii);
    Md. Code Ann., Pub. Safety § 2-511). While "[t]he expunge-
    ment provisions do not directly apply to Davis’ situation
    because they are drafted specifically to address circumstances
    in which an individual’s DNA was placed in the database on
    the basis of a conviction or arrest," I agree with the district
    court that "the construction of the statute strongly suggests
    that Congress and the Maryland legislature respected the pri-
    vacy interest of those individuals never convicted for qualify-
    ing offenses, and did not intend for ordinary citizens’ or
    victims’ DNA to be included in the database." 
    Id. In addition,
    unlike the constitutionally violative conduct at
    issue in Herring, the conduct in this case is not "attenuated"
    from the discovery of Davis’s identity as the source of the
    DNA recovered from the scene of the Schwindler murder; the
    cold hit which led to Davis’s arrest was a direct result of the
    UNITED STATES v. DAVIS                      91
    seizure and search of his clothing and the subsequent extrac-
    tion, analysis and retention of his DNA profile. Cf. 
    Hudson, 547 U.S. at 592
    (exclusionary rule inapplicable where viola-
    tion of the knock and announce rule was not but-for cause of
    obtaining evidence pursuant to search warrant). Given that the
    cold hit supplied the sole probable cause for the search war-
    rant leading to the known DNA match, the causal connection
    required to invoke the exclusionary rule is clearly present in
    this case.
    As we recognized in United States v. Oscar-Torres, 
    507 F.3d 224
    (4th Cir. 2007), application of the exclusionary rule
    is the "usual remedy" where evidence of identity is derived
    from unlawful searches and seizures:
    Indisputably, suppression of evidence obtained
    during illegal police conduct provides the usual rem-
    edy for Fourth Amendment violations. See Mapp v.
    Ohio, 
    367 U.S. 643
    , 655 (1961). Courts will also
    suppress evidence that is the indirect product of the
    illegal police activity as "fruit of the poisonous tree."
    See Wong Sun v. United States, 
    371 U.S. 471
    , 488
    (1963). Of course, not all evidence that "would not
    have come to light but for the illegal actions of the
    police" is suppressible as fruit of the poisonous tree.
    
    Id. Rather, the
    critical inquiry is "whether, granting
    establishment of the primary illegality, the evidence
    to which instant objection is made has been come at
    by exploitation of that illegality or instead by means
    sufficiently distinguishable to be purged of the pri-
    mary taint." 
    Id. (internal quotation
    marks omitted).
    
    Id. at 227.
    There is no real dispute that the seizure of the bag
    containing Davis’s clothing, the search of the bag and of
    Davis’s clothing, including the extraction of his DNA there-
    from, and the subsequent creation and uploading of his DNA
    profile, means that the identification evidence introduced at
    trial was the product of an "exploitation" of the searches and
    92                       UNITED STATES v. DAVIS
    seizures at issue in this case.21 Rather than noting the critical
    distinctions between our case and extant good-faith exception
    precedents, the majority invents an ad hoc version of the
    exception by focusing on broad principles espoused by the
    Herring Court, including most notably its admonition that the
    deterrent effect of exclusion must outweigh its costs. This is
    unsurprising, perhaps, given that the Herring Court’s "‘analy-
    sis’ . . . far outruns the holding." Wayne R. LaFave, The Smell
    of Herring: A Critique of the Supreme Court’s Latest Assault
    on the Exclusionary Rule, 99 J. Crim. L. & Criminology 757,
    770 (2009). In other words, there is a gap between the holding
    of Herring, which is quite narrow, and its rationale, which
    sweeps quite broadly. We should not so readily depart from
    the narrow holding of Herring, and the Supreme Court’s other
    good-faith exception jurisprudence, given the critical role that
    the exclusionary rule plays in ensuring the vitality of the
    Fourth Amendment.
    The rule provides an essential "incentive for the law
    enforcement profession as a whole to conduct themselves in
    accord with the Fourth Amendment," Illinois v. Gates, 
    462 U.S. 213
    , 221 (1983) (White, J., concurring in judgment),
    thereby "safeguard[ing] Fourth Amendment rights generally
    through its deterrent effect," United States v. Calandra, 
    414 U.S. 338
    , 348 (1974). See also 
    Herring, 555 U.S. at 152
    (Gin-
    sburg, J., dissenting) (describing exclusionary rule as a "rem-
    edy necessary to ensure that the Fourth Amendment’s
    21
    We and other circuits have recognized what is surely obvious: the
    Leon good-faith exception does not salvage evidence seized on the author-
    ity of a tainted search warrant, i.e., one in which probable cause is based
    on the fruits of a prior illegal search, as in this case. See United States v.
    Mowatt, 
    513 F.3d 395
    , 405 (4th Cir. 2008) (good-faith exception does not
    apply where search warrant was prompted by previous warrantless illegal
    search), abrogated on other grounds, Kentucky v. King, 
    131 S. Ct. 1849
    (2011); United States v. McGough, 
    412 F.3d 1232
    , 1240 (11th Cir. 2005);
    United States v. Reilly, 
    76 F.3d 1271
    , 1280 (2d Cir. 1996); United States
    v. Scales, 
    903 F.2d 765
    , 768 (10th Cir. 1990); United States v. Wanless,
    
    882 F.2d 1459
    , 1466 (9th Cir. 1989).
    UNITED STATES v. DAVIS                             93
    prohibitions are observed in fact") (internal quotation marks
    omitted); cf. United States v. Jones, 
    678 F.3d 293
    (4th Cir.
    2012).22
    In this case, the HCPD officers deliberately and intention-
    ally dispossessed Davis of his personal property. The HCPD
    officers then deliberately and intentionally retained that prop-
    erty. Then, the HCPD deliberately and intentionally delivered
    that property to the PGCPD officers, who deliberately and
    intentionally made a request for it. Having thus obtained pos-
    session, the PGCPD officers then deliberately and intention-
    ally delivered Davis’s property to their DNA lab for analysis
    and uploading into the local CODIS database, and, of course,
    the analyst, charged with knowledge that she was handling
    biological material taken from a crime victim, deliberately
    and intentionally uploaded the DNA profile into the database.
    This case is a poor candidate for the creation of a new varia-
    tion on the good-faith exception to the exclusionary rule.
    Davis has been convicted of a heinous crime. The cold-
    blooded mid-day murder of Jason Schwindler, a man simply
    conscientiously going about his work to support himself and
    his family, understandably generates outrage and dismay, an
    all-too-common episode of modern life from which all decent
    people recoil in horror. There is little reason to doubt that cus-
    tomary, equally conscientious, work by dedicated state and
    federal law enforcement officers would have brought
    22
    As we explained in Jones,
    the exclusionary rule is our sole means of ensuring that police
    refrain from engaging in the unwarranted harassment or unlawful
    seizure of anyone," regardless of where that person resides or vis-
    its. United States v. Foster, 
    634 F.3d 243
    , 249 (4th Cir. 2011).
    Accordingly, we find the exclusion of evidence to be the proper
    remedy in this case because of the "the potential . . . to deter
    wrongful police conduct." See Herring v. United States, 
    555 U.S. 135
    , 137 
    (2009). 678 F.3d at 305
    , n.7.
    94                      UNITED STATES v. DAVIS
    deserved justice to those who participated. Nevertheless, duty
    to the judicial oath requires that we apply the law faithfully
    and evenhandedly.23
    In short, I would apply the exclusionary rule in this case
    and leave it to the Supreme Court to extend the good-faith
    exception to the particular situation now before us, should it
    see fit to do so. I am mindful that the obituary marking the
    long slow death of the exclusionary rule has been written long
    before the rule will be interred.24 Understandably, perhaps,
    there has been no want of volunteers among the judiciary to
    serve as pallbearers. I regret this development and fear that a
    measureable lessening in liberty will result from this freeing
    of law enforcement from the constraints of the Fourth
    Amendment through the invention of an ad hoc good-faith
    exception to suppression of unlawfully obtained evidence. To
    quote the second Justice Harlan, "I can see no good coming
    from this constitutional [mis]adventure." Ker v. California,
    
    374 U.S. 23
    , 46 (1963) (Harlan, J., concurring in the judg-
    ment).
    *****
    For the reasons set forth, I respectfully dissent.
    23
    I respect my good colleagues’ discomfort with a reversal in this case,
    a discomfort that is shared by all members of this panel. Cf. 
    Blair, 665 F.2d at 509
    (Murnaghan, J., dissenting) ("Whenever the exclusionary rule
    applies, with the resulting suppression of trenchant evidence of guilt, and
    the substantial and regrettable consequence that an offender against soci-
    ety may go free, the judge is apt to wince or at least to feel a twinge.").
    Nevertheless, without clearer, more definitive instructions from the
    Supreme Court than those relied on by the majority, "We should not avoid
    or vitiate the effectiveness of the exclusionary rule by distorting what con-
    stitutes the essential ingredients of a proper search or seizure." 
    Id. 24 See
    Adam Liptak, Supreme Court Edging Closer to Repeal of Evi-
    dence Ruling, N.Y. Times, Jan. 31, 2009, at Al.