United States v. Joshua Cooley , 919 F.3d 1135 ( 2019 )


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  •                      FOR PUBLICATION
    UNITED STATES COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    UNITED STATES OF AMERICA,                         No. 17-30022
    Plaintiff-Appellant,
    D.C. No.
    v.                          1:16-cr-00042-
    SPW-1
    JOSHUA JAMES COOLEY,
    Defendant-Appellee.                  OPINION
    Appeal from the United States District Court
    for the District of Montana
    Susan P. Watters, District Judge, Presiding
    Argued and Submitted May 14, 2018
    Seattle, Washington
    Filed March 21, 2019
    Before: Marsha S. Berzon, Stephanie Dawn Thacker, * and
    Andrew D. Hurwitz, Circuit Judges.
    Opinion by Judge Berzon
    *
    The Honorable Stephanie Dawn Thacker, United States Circuit
    Judge for the U.S. Court of Appeals for the Fourth Circuit, sitting by
    designation.
    2                  UNITED STATES V. COOLEY
    SUMMARY **
    Criminal Law
    The panel affirmed the district court’s order granting a
    motion to suppress evidence obtained as a result of the
    defendant’s encounter with a Crow Indian Reservation
    police officer while the defendant’s truck was parked on the
    shoulder of United States Route 212, which is a public right-
    of-way that crosses the Reservation.
    The panel held that the district court’s holding regarding
    the officer’s lack of authority was correct, but the basis for
    its conclusion — that the defendant “seemed to be non-
    Native” — was not. The panel explained that officers cannot
    presume for jurisdictional purposes that a person is a non-
    Indian — or an Indian — by making assumptions based on
    physical appearance. The panel wrote that an officer can
    rely on a detainee’s response when asking about Indian
    status, but that the officer posed no such question to the
    defendant. The panel held that the officer exceeded his
    authority as a tribal officer on a public, nontribal highway
    crossing a reservation when he detained the defendant and
    twice searched the truck without having ascertained whether
    the defendant was an Indian.
    The panel held that the exclusionary rule applies in
    federal court prosecutions to evidence obtained in violation
    of the Indian Civil Rights Act’s Fourth Amendment
    counterpart.
    **
    This summary constitutes no part of the opinion of the court. It
    has been prepared by court staff for the convenience of the reader.
    UNITED STATES V. COOLEY                    3
    The panel agreed in the main, but with a caveat, with the
    district court’s determination that the officer violated the
    ICRA’s Fourth Amendment analogue by seizing the
    defendant, a non-Indian, while operating outside the Crow
    Tribe’s jurisdiction. The panel wrote that a tribal officer
    does not necessarily conduct an unreasonable search or
    seizure for ICRA purposes when he acts beyond his tribal
    jurisdiction, but that the tribal authority consideration is
    highly pertinent to determining whether a search or seizure
    of unreasonable under ICRA. The panel explained that tribal
    officers’ extra-judicial actions do not violate the ICRA’s
    Fourth Amendment parallel only if, under the law of a
    founding era, a private citizen could lawfully take those
    actions. Under this standard, the panel concluded that the
    officer violated the ICRA’s Fourth Amendment parallel
    when he twice searched the defendant’s truck after seizing
    him.
    COUNSEL
    Leif M. Johnson (argued), Assistant United States Attorney,
    Office of the United States Attorney, District of Montana,
    Billings, Montana, for Plaintiff-Appellant.
    Eric Ryan Henkel (argued), Cotner Law, PLLLC, Missoula,
    Montana, for Defendant-Appellee.
    4                  UNITED STATES V. COOLEY
    OPINION
    BERZON, Circuit Judge:
    At around one in the morning, Joshua James Cooley and
    his young child were parked in a white truck on the
    westbound shoulder of United States Route 212, within the
    Crow Indian Reservation in southern Montana. 1 James D.
    Saylor, a highway safety officer for the Crow Police
    Department, passed Cooley’s truck while driving eastbound
    on Route 212. Saylor regularly found motorists on the
    highway in need of assistance. He also knew that this
    particular section of Route 212 lacked consistent cellphone
    reception.
    Saylor turned around and pulled up behind the truck. He
    left his patrol car and approached the driver’s side of the
    truck. The truck’s engine was running; its headlights were
    on. The truck’s windows were closed and tinted, and the
    truck appeared to be on a raised suspension. So it was
    difficult for Saylor to see into the passenger compartment.
    Saylor knocked on the side of the truck. When he did
    that, the rear driver’s side window briefly lowered, then went
    up again. Saylor shined his flashlight into the driver’s side
    front window and saw Cooley making a thumbs-down sign
    with his right hand.
    Saylor next asked Cooley to lower his window. Cooley
    complied — he lowered the front driver’s side window
    around six inches, just enough for Saylor to see the top of his
    1
    The facts presented here come largely from the district court’s
    order granting the motion to suppress, but include material from Saylor’s
    testimony at the hearing held on Cooley’s motion to suppress and from
    the police report Saylor wrote after the encounter with Cooley.
    UNITED STATES V. COOLEY                     5
    face. According to Saylor, Cooley had “watery, bloodshot
    eyes,” and “seemed to be non-native.” Saylor also noticed a
    young child climbing from the back seat of the truck into the
    front.
    Cooley told Saylor that everything was okay — he had
    stopped driving just because he was tired, “which isn’t
    uncommon” in Saylor’s experience. “A lot of travelers go
    through that particular stretch of highway,” Saylor testified,
    “and they will pull over because of various reasons, tired,
    bathroom, et cetera.”
    But Saylor did not leave at that point. Instead, he asked
    Cooley more questions. In response, Cooley reported that
    he had come from the town of Lame Deer, which is around
    26 miles from where the truck was stopped; he was in town
    to purchase a vehicle from a man named Thomas; and he was
    not sure of Thomas’s last name, but it may have been Spang
    or Shoulder Blade. Saylor knew men with both names —
    Thomas Spang and Thomas Shoulder Blade: Shoulder Blade
    had been a tribal officer for the Northern Cheyenne tribe;
    Saylor believed Spang was associated with drug trafficking.
    Cooley’s explanations did not add up for Saylor, and he
    conveyed that sentiment to Cooley. In response, Cooley
    “became agitated and stated[,] ‘[I] don’t know how it doesn’t
    make any sense, I told you I cam[e] up to buy a vehicle.’”
    At some point during this conversation, Cooley brought his
    child onto his lap.
    According to Saylor, as this exchange continued
    Cooley’s hands started to shake. He “began to speak in a
    lower volume[,] making it difficult . . . to hear him.” And he
    started to take long pauses before answering questions.
    6                UNITED STATES V. COOLEY
    Saylor asked Cooley to lower the front window further.
    When Cooley did so, Saylor noticed what appeared to be two
    semiautomatic rifles on the front passenger seat of the truck.
    But “just having weapons in a vehicle, especially in
    Montana, isn’t cause for too much alarm, in my mind,”
    Saylor testified.
    Still, Saylor continued to ask Cooley about why he had
    traveled to Lame Deer. At some point during this additional
    questioning, Saylor asked Cooley for written identification.
    Instead of retrieving his identification, Cooley twice pulled
    small bills from his right pocket and placed them in the
    truck’s center console.
    Cooley then put his hand in his pocket yet another time.
    His breathing became shallow and rapid, according to
    Saylor, and Cooley “stared straight forward out of the
    windshield of his truck, as if he was looking through his”
    child. Saylor testified that such a “thousand-yard” stare is,
    to him, an indication that a suspect is possibly about to use
    force. So, while Cooley’s hand was in his pocket, Saylor
    unholstered his pistol, drew the pistol to his side, and ordered
    Cooley to stop what he was doing and show his hands.
    Cooley complied. Saylor then again ordered Cooley to
    provide him with his identification; this time, Cooley handed
    over his Wyoming driver’s license.
    Saylor attempted to call in Cooley’s license number to
    dispatch but failed, as he was unable to connect. When he
    then moved to the other side of the truck and opened the
    passenger side door, Saylor noticed a loaded semiautomatic
    pistol in the area near Cooley’s right hand. Asked why he
    had not mentioned the pistol earlier, Cooley stated that he
    did not know the pistol was there. Saylor then took the pistol
    and disarmed it.
    UNITED STATES V. COOLEY                    7
    At that point, Saylor ordered Cooley to get out of the
    truck, which he did. After conducting a pat down, Saylor
    escorted Cooley and his child to the patrol car. Once there,
    Cooley took some more of his belongings out of his pocket
    — this time, a few small, empty plastic bags — and placed
    them on the hood of Saylor’s car. In Saylor’s experience,
    such bags are commonly used to package methamphetamine.
    Saylor then placed Cooley in the back of his patrol car
    and called for additional assistance from Crow Reservation
    officers. He also called for assistance from Bighorn County
    officers, because Cooley “seemed to be non-[n]ative.”
    While waiting for backup, Saylor returned to the truck to
    turn off the engine: There, he found in the cab a glass pipe
    and a plastic bag that appeared to have methamphetamine in
    it.
    After County and Bureau of Indian Affairs officers
    arrived, the Bureau of Indian Affairs officer directed Saylor
    to conduct an additional search of the truck. He did, and
    discovered more methamphetamine.
    Cooley was charged in the District of Montana with one
    count of possession with intent to distribute
    methamphetamine, under 
    21 U.S.C. § 841
    (a)(1), and one
    count of possession of a firearm in furtherance of a drug
    trafficking crime, under 
    18 U.S.C. § 924
    (c)(1)(A). He
    moved to suppress evidence obtained as a result of his
    encounter with Saylor. The motion argued that Saylor was
    acting outside the scope of his jurisdiction as a Crow Tribe
    law enforcement officer when he seized Cooley, in violation
    of the Indian Civil Rights Act of 1968 (“ICRA”).
    The district court granted Cooley’s motion.            It
    determined that Saylor had identified Cooley as a non-Indian
    “when Cooley initially rolled his window down,” and that
    8                UNITED STATES V. COOLEY
    Saylor seized Cooley when he drew his gun, ordered Cooley
    to show his hands, and demanded his driver’s license. The
    court reasoned that a tribal officer cannot detain a non-Indian
    on a state or federal right-of-way unless it is apparent at the
    time of the detention that the non-Indian has been violating
    state or federal law, and that Saylor therefore had no
    authority to seize Cooley when and where he did. The
    district court also concluded that ICRA, which contains
    language mirroring the Fourth Amendment, requires
    suppression in federal court of evidence obtained by tribal
    officers in violation of ICRA.
    The government appealed the order under 
    18 U.S.C. § 3731
    . We review the factual findings underlying the
    district court’s determination for clear error and the ultimate
    grant or denial of a motion to suppress de novo. United
    States v. Zapien, 
    861 F.3d 971
    , 974 (9th Cir. 2017).
    I
    We consider first whether the district court correctly
    determined that Saylor exceeded his jurisdiction in detaining
    Cooley. We cannot agree that Saylor appropriately
    determined that Cooley was a non-Indian just by looking at
    him. But Saylor did act outside of his jurisdiction as a tribal
    officer when he detained Cooley, a non-Indian, and searched
    his vehicle without first making any attempt to determine
    whether Cooley was in fact an Indian.
    A
    An Indian tribe’s authority to enforce criminal laws on
    tribal land is nuanced. On tribal land, a tribe has inherent
    powers as a separate sovereign to enforce criminal laws, but
    only as to its tribal members and nonmember Indians.
    United States v. Lara, 
    541 U.S. 193
    , 197–99 (2004). An
    UNITED STATES V. COOLEY                               9
    Indian tribe’s authority over non-Indians is more limited. A
    tribe has no power to enforce tribal criminal law as to non-
    Indians, even when they are on tribal land. 2 Oliphant v.
    Suquamish Indian Tribe, 
    435 U.S. 191
    , 195 (1978). But a
    tribe may exclude non-Indians from tribal land. Duro v.
    Reina, 
    495 U.S. 676
    , 696–97 (1990). Therefore, tribal
    officers can investigate crimes committed by non-Indians on
    tribal land and deliver non-Indians who have committed
    crimes to state or federal authorities. 
    Id.
     Thus, “tribes retain
    considerable control over non-member conduct on tribal
    land.” Strate v. A-1 Contractors, 
    520 U.S. 438
    , 454 (1997).
    Tribes have less power over non-Indians on public
    rights-of-way that cross over tribal land — such as Route
    212 — than on non-encumbered tribal property. If a tribe
    has granted an easement allowing public access to tribal
    land, the tribe cannot exclude non-Indians from a state or
    federal highway constructed on that easement. See Strate,
    
    520 U.S. at
    454–56. Tribes also lack the ancillary power to
    investigate non-Indians who are using such public rights-of-
    way. See Bressi, 575 F.3d at 895–96. But where, as here, a
    public highway is within the boundaries of a tribal
    reservation, tribal authorities may arrest Indians who violate
    tribal law on the public right-of-way. Strate, 
    520 U.S. at
    2
    Tribal officers are often delegated authority by a state or the federal
    government to act broadly on its behalf. See, e.g., Bressi v. Ford, 
    575 F.3d 891
    , 894, 897 (9th Cir. 2009); see also United States v. Wilson, 
    699 F.3d 235
    , 239 (2d Cir. 2012) (noting that tribal officers “had full
    authority to act as New York police officers within the boundaries of the
    St. Regis Reservation” under New York law, and that some tribal officers
    were cross-designated as United States customs officers); Olson v. N.D.
    Dep’t of Transp., 
    909 N.W.2d 676
    , 681–82 (N.D. 2018), State v. Eriksen,
    
    259 P.3d 1079
    , 1083 (Wash. 2011). The limitations discussed here do
    not apply to deputized officers. See Bressi, 
    575 F.3d at 894, 897
    ;
    Eriksen, 259 P.3d at 1083.
    10                   UNITED STATES V. COOLEY
    456; Bressi, 
    575 F.3d at 896
    ; see also 
    18 U.S.C. § 1151
    (defining Indian country as including rights-of-way within
    Indian reservations).
    Finally, tribal authorities may stop those suspected of
    violating tribal law on public rights-of-way as long as the
    suspect’s Indian status is unknown. In such circumstances,
    tribal officials’ initial authority is limited to ascertaining
    whether the person is an Indian. Bressi, 
    575 F.3d at 896
    ; see
    also United States v. Patch, 
    114 F.3d 131
    , 134 (9th Cir.
    1997). The detention must be “a brief [and] limited” one;
    authorities will typically need “to ask one question” to
    determine whether the suspect is an Indian. Patch, 
    114 F.3d at 134
    . If, during this limited interaction, “it is apparent that
    a state or federal law has been violated, the [tribal] officer
    may detain the non-Indian for a reasonable time in order to
    turn him or her over to state or federal authorities.” 3 Bressi,
    
    575 F.3d at 896
    ; see also Strate, 
    520 U.S. at
    456 n.11.
    We have not elaborated on when it is “apparent” or
    “obvious” that state or federal law is being or has been
    violated. Bressi, 
    575 F.3d at
    896–97. But Bressi made clear
    that the power to detain non-Indians on public rights-of-way
    for “obvious” or “apparent” violations of state or federal law
    3
    Bressi held that “a roadblock on a public right-of-way within tribal
    territory, established on tribal authority, is permissible only to the extent
    that the suspicionless stop of non-Indians is limited to the amount of
    time, and nature of inquiry, that can establish whether or not they are
    Indians.” 
    575 F.3d at
    896–97. The government contends that Bressi
    applies only to roadblocks. The government’s cabined reading of Bressi
    is not persuasive. Although Bressi involved a roadblock, the opinion sets
    forth general principles governing the scope of tribal officers’ authority
    to seize and question on a public right-of-way within an Indian
    reservation non-Indians and those whose Indian status is unknown. 
    Id. at 896
    .
    UNITED STATES V. COOLEY                     11
    does not allow officers to search a known non-Indian for the
    purpose of finding evidence of a crime. 
    Id.
    B
    Here, the district court noted that when Saylor first
    observed Cooley through the truck’s partially open driver’s
    window, Cooley “seemed to be non-Native,” and held that
    Saylor had no authority to detain Cooley from
    thenceforward. The holding regarding Saylor’s lack of
    authority was correct, but the district court’s basis for its
    conclusion — how Cooley looked to Saylor — was not.
    Saylor never asked Cooley whether he was an Indian or
    otherwise ascertained that he was not. Instead, he reached a
    conclusion about Cooley’s status as a non-Indian based on
    physical appearance alone. Officers cannot presume for
    jurisdictional purposes that a person is a non-Indian — or an
    Indian — by making assumptions based on that person’s
    physical appearance.
    Indian status is a political classification, not a racial or
    ethnic one. Indian status requires only “(1) proof of some
    quantum of Indian blood, whether or not that blood derives
    from a member of a federally recognized tribe, and (2) proof
    of membership in, or affiliation with, a federally recognized
    tribe.” United States v. Zepeda, 
    792 F.3d 1103
    , 1113 (9th
    Cir. 2015) (en banc). A person can have significant Native
    American ancestry and nonetheless not be an Indian for
    tribal law enforcement purposes. See 
    id. at 1114
    . And a
    person can be an Indian for tribal law enforcement purposes
    even if that person does not have any of the physical
    characteristics associated with Native American heritage.
    See United States v. Bruce, 
    394 F.3d 1215
    , 1223 (9th Cir.
    2005); William C. Canby, Jr., American Indian Law in a
    Nutshell 9–11 (6th ed. 2014). United States v. Antelope,
    12                 UNITED STATES V. COOLEY
    emphasized this distinction, explaining that the Indian
    defendants “were not subjected to federal criminal
    jurisdiction because they [were] of the Indian race but
    because they [were] enrolled members of the Coeur d’Alene
    Tribe.” 
    430 U.S. 641
    , 646 (1977).
    A law enforcement officer can, of course, rely on a
    detainee’s response when asked about Indian status. See
    Patch, 
    114 F.3d at 134
    . But Saylor posed no such question
    to Cooley.
    Nonetheless, his assumption based on physical
    appearance aside, Saylor did exceed his legal authority as a
    Crow officer during the interaction with Cooley. The district
    court correctly found that Saylor seized Cooley when he
    drew his weapon and ordered him to provide identification. 4
    Although Saylor had been questioning Cooley for a
    significant period by that point, he had not asked Cooley
    whether he was an Indian. Yet, still not having ascertained
    whether Cooley was an Indian, Saylor detained Cooley and
    twice searched his truck. Continuing to detain — and
    searching — a non-Indian without first attempting to
    ascertain his status is beyond the authority of a tribal officer
    on a public, nontribal highway crossing a reservation. See
    Bressi, 
    575 F.3d at 896
    ; see also Strate, 
    520 U.S. at 456
    .
    II
    Because we conclude that Saylor acted outside his
    authority as a tribal officer when he seized Cooley and later
    twice searched Cooley’s truck, we next must consider
    4
    As the issue has not been raised, we do not address whether there
    was a seizure earlier in the encounter.
    UNITED STATES V. COOLEY                         13
    whether the district court properly suppressed the evidence
    obtained during the searches.
    A
    The district court held that the exclusionary rule applies
    in federal court to violations of ICRA’s Fourth Amendment
    counterpart. The government agrees, stating in its opening
    brief that “suppression of evidence in a federal proceeding
    would be appropriate if the [officer’s] conduct violated
    ICRA,” quoting United States v. Becerra-Garcia, 
    397 F.3d 1167
    , 1171 (9th Cir. 2005). 5 We also agree with the district
    court, but because Becerra-Garcia did not squarely decide
    the exclusionary rule issue, we address it.
    The Fourth Amendment expressly limits federal power
    to conduct searches and seizures, and equally limits state
    power to do so via its incorporation into the Fourteenth
    Amendment. Mapp v. Ohio, 
    367 U.S. 643
    , 650 (1961). But
    the Fourth Amendment — like the rest of the Bill of Rights
    — “does not apply to Indian tribal governments.” Duro, 
    495 U.S. at
    693 (citing Talton v. Mayes, 
    163 U.S. 376
     (1896));
    see also Santa Clara Pueblo v. Martinez, 
    436 U.S. 49
    , 57
    (1978).
    “[H]owever, Congress has plenary authority to limit,
    modify or eliminate the powers of local self-government
    which the tribes otherwise possess.” Santa Clara Pueblo,
    
    436 U.S. at 56
    . The Indian Civil Rights Act of 1968, Pub.
    L. No. 90-284, 
    82 Stat. 73
    , enacted pursuant to that authority,
    “impos[es] certain restrictions upon tribal governments
    5
    Likewise, the government does not argue that the district court
    erred in applying exclusionary rules principles in this case. Thus, we
    have no occasion to consider whether any exception to the exclusionary
    rule applies in this context.
    14              UNITED STATES V. COOLEY
    similar, but not identical, to those contained in the Bill of
    Rights and the Fourteenth Amendment.” Santa Clara
    Pueblo, 
    436 U.S. at 57
    ; see also 
    25 U.S.C. § 1302
    (a).
    Before ICRA, Indian litigants could not “claim
    protection from illegal search and seizure protected by the
    [F]ourth [A]mendment.” S. Rep. No. 90-841, at 10 (1967).
    To address that concern, ICRA includes a prohibition on
    unreasonable searches and seizures nearly identical to the
    prohibition in the Fourth Amendment. See United States v.
    Lester, 
    647 F.2d 869
    , 872 (8th Cir. 1981). The section of
    ICRA parallel to the Fourth Amendment states:
    No Indian tribe in exercising powers of self-
    government shall . . . violate the right of the
    people to be secure in their persons, houses,
    papers, and effects against unreasonable
    search and seizures, nor issue warrants, but
    upon probable cause, supported by oath or
    affirmation, and particularly describing the
    place to be searched and the person or thing
    to be seized.
    
    25 U.S.C. § 1302
    (a)(2).
    This parallelism does not directly settle whether the
    exclusionary rule applies to violations of § 1302(a)(2). The
    exclusionary principle is a “judicially created rule . . .
    designed to safeguard Fourth Amendment rights generally
    through its deterrent effect,” United States v. Herring, 
    555 U.S. 135
    , 139–40 (2009) (quoting United States v. Calandra,
    
    414 U.S. 338
    , 348 (1974)); there is no language in the Fourth
    Amendment — or its ICRA counterpart — alluding to it.
    But the exclusionary principle is now firmly embedded in
    our judicial tradition, interwoven with our understanding of
    the Fourth Amendment’s protections. As the Supreme Court
    UNITED STATES V. COOLEY                           15
    wrote in 1914, “[i]f letters and private documents can thus
    be seized and held and used in evidence against a citizen
    accused of an offense, the protection of the [Fourth]
    Amendment, declaring his right to be secure against such
    searches and seizures, is of no value, and, so far as those thus
    placed are concerned, might as well be stricken from the
    Constitution.” Weeks v. United States, 
    232 U.S. 383
    , 393
    (1914). 6
    Congress enacted language in ICRA that mirrors the
    Fourth Amendment’s protections, and it expressed concern
    that tribal authorities were violating the protections of that
    Amendment. The exclusionary rule would play the identical
    safeguarding function for subsection (a)(2) of ICRA, as it
    does for the Fourth Amendment.              Given that the
    exclusionary rule applied in federal court to both state and
    federal Fourth Amendment violations at the time ICRA was
    enacted and was understood as essential to the effective
    functioning of the Fourth Amendment, the most reasonable
    inference is that the substantive parallelism between the
    Fourth Amendment and ICRA continues at the remedy level.
    The exclusionary rule therefore applies in federal court
    prosecutions to evidence obtained in violation of ICRA’s
    6
    In Weeks, the Court applied the exclusionary rule only to violations
    of the Fourth Amendment by federal officers and only to prosecutions in
    federal court. 
    232 U.S. at 398
    . After determining that the Fourth
    Amendment binds the states via the Fourteenth Amendment in Wolf v.
    Colorado, 
    338 U.S. 25
     (1949), the Court then held that the exclusionary
    rule for evidence sought to be introduced in federal court applies to
    evidence seized by state officers in violation of the Fourth and
    Fourteenth Amendments. Elkins v. United States, 
    364 U.S. 206
    , 213–
    15, 223 (1960). The next year, in Mapp, the Court held that the
    exclusionary rule also applies to state court proceedings. 
    367 U.S. at 655
    .
    16                UNITED STATES V. COOLEY
    Fourth Amendment counterpart. We have previously so
    assumed, see Becerra-Garcia, 
    397 F.3d at 1171
    , United
    States v. Manuel, 
    706 F.2d 908
    , 911 & n.3 (9th Cir. 1983),
    and now so hold. 7
    B
    The district court determined that Saylor violated
    ICRA’s Fourth Amendment analogue by seizing Cooley, a
    non-Indian, while operating outside the Crow Tribe’s
    jurisdiction. We agree in the main, but with a caveat. In our
    view, a tribal officer does not necessarily conduct an
    unreasonable search or seizure for ICRA purposes when he
    acts beyond his tribal jurisdiction. But the tribal authority
    consideration is highly pertinent to determining whether a
    search or seizure is unreasonable under ICRA. And in this
    case, taking into account both the jurisdictional defect and
    other factors, Saylor violated ICRA’s Fourth Amendment
    counterpart.
    1
    We rely on Fourth Amendment jurisprudence to analyze
    the validity of a search or seizure under ICRA. See Becerra-
    Garcia, 
    397 F.3d at 1171
    . Whether a search or seizure is
    unreasonable under the Fourth Amendment often depends
    on whether the officer had probable cause for a search or
    arrest, or reasonable suspicion for an investigatory detention.
    See, e.g., Virginia v. Moore, 
    553 U.S. 164
    , 171 (2008);
    Illinois v. Gates, 
    462 U.S. 213
    , 243–44 (1983), Terry v.
    Ohio, 
    392 U.S. 1
    , 27–28 (1968). In some circumstances,
    7
    We do not decide whether the exclusionary rule also applies in
    tribal court proceedings to evidence obtained in violation of ICRA’s
    Fourth Amendment analogue. Cf. Elkins, 
    364 U.S. at
    213–15, 223.
    UNITED STATES V. COOLEY                          17
    however, a search or seizure may be unreasonable even if the
    officer had sufficient substantive grounds to conduct it. See,
    e.g., Wilson v. Arkansas, 
    514 U.S. 927
    , 936 (1995); Payton
    v. New York, 
    445 U.S. 573
    , 586 (1980); see also Wilson, 699
    F.3d at 245.
    United States v. Henderson, 
    906 F.3d 1109
     (9th Cir.
    2018), a case somewhat analogous to this one, recently
    addressed such a circumstance. In Henderson, a magistrate
    judge in the Eastern District of Virginia signed off on a so-
    called “network investigative technique” (“NIT”) warrant,
    which allowed the Federal Bureau of Investigation to obtain
    the IP address for computers “wherever located” that
    connected to a site suspected of distributing child
    pornography. 
    Id. at 1112
    . Using this NIT warrant, the FBI
    identified the IP address of “a computer at the San Mateo,
    California, home of Bryan Henderson’s grandmother, with
    whom Henderson lived.” 
    Id. at 1112
    . The FBI obtained a
    separate warrant to search the grandmother’s home. 
    Id.
     That
    search uncovered child pornography belonging to
    Henderson. 
    Id.
     at 1112–13.
    Henderson held that the initial NIT warrant violated
    Federal Rule of Criminal Procedure 41(b), which at the time
    authorized magistrates to “issue a warrant to search for and
    seize a person or property located within the district” of that
    magistrate. 8 
    Id. at 1113
     (quoting Fed. R. Crim. P. 41(b)(1)).
    Henderson further decided that because the magistrate
    violated Rule 41(b), she had exceeded her jurisdictional
    authority. The magistrate’s only jurisdictional basis for
    issuing the NIT warrant was 
    28 U.S.C. § 636
    , which allows
    8
    Rule 41(b) was subsequently amended to allow magistrates to issue
    warrants like the one at issue in Henderson. 
    Id. at 1119
    ; Fed. R. Crim.
    P. 41(b)(6).
    18              UNITED STATES V. COOLEY
    magistrates “to exercise ‘all powers and duties conferred or
    imposed’ by the Federal Rules of Criminal Procedure,” 
    id. at 1115
     (quoting 
    28 U.S.C. § 636
    (a)(1)). The magistrate was
    not exercising a power conferred or imposed by those Rules,
    as her issuance of a warrant for a search outside her district
    exceeded Rule 41(b)’s authorization. 
    Id.
    Because “the magistrate judge issued a warrant in excess
    of her jurisdictional authority,” Henderson concluded, the
    search supported by the NIT warrant violated the Fourth
    Amendment. 
    Id. at 1116
    . In reaching this conclusion,
    Henderson relied on the well-settled principle that the Fourth
    Amendment “must provide at a minimum the degree of
    protection it afforded when it was adopted.” 
    Id.
     (quoting
    United States v. Jones, 
    565 U.S. 400
    , 411 (2012)). When
    assessing the protections afforded at the Amendment’s
    adoption, courts examine the protections provided by
    “statutes and common law of the founding era.” Moore, 
    553 U.S. at 168
    ; see also Atwater v. City of Lago Vista, 
    532 U.S. 318
    , 326 (2001). Henderson determined that under the
    common law of the founding era, a search was unreasonable
    unless the warrant authorizing that search was issued by “a
    court or magistrate empowered by law to grant it.” 906 F.3d
    at 1116 (quoting Thomas M. Cooley, The General Principles
    of Constitutional Law in the United States of America 210
    (1880)).
    The common law of the founding era often deemed
    searches and seizures unreasonable when police officers
    acted outside the bounds of their sovereign’s jurisdiction.
    When the Fourth Amendment was adopted, the common law
    drew clear distinctions based on whether an officer was
    acting within or outside the scope of his sovereign’s
    authority. When attempting to execute a warrant, for
    example, an officer could execute the warrant only “so far as
    UNITED STATES V. COOLEY                     19
    the jurisdiction of the magistrate and himself extends.”
    Henderson, 906 F.3d at 1116 (quoting 4 William
    Blackstone, Commentaries *291). And “[a]t common law,
    an officer [could not] arrest a person outside of his precinct,
    even though the offense was committed within it.” 2 David
    S. Garland & Licius P. McGehee, The American and English
    Encyclopaedia of Law 863 (2d ed. 1896).
    The Constitution provides support for the principle that
    police officers’ legitimate power was limited under the
    common law by the jurisdictional reach of the sovereign that
    officer served. The Extradition Clause requires states to
    comply with requests made by other states to extradite
    accused felons. U.S. Const. art. IV, § 2, cl. 2; see also Puerto
    Rico v. Branstad, 
    483 U.S. 219
    , 226 (1987); Engleman v.
    Murray, 
    546 F.3d 944
    , 949 (8th Cir. 2008). This
    requirement necessarily rests on the assumption that one
    state’s officers could not lawfully seize a felon in another
    state, regardless of where the felony had been committed.
    At the same time, under the common law of the founding
    era, an officer operating without any sovereign authority
    could lawfully conduct a seizure in limited circumstances.
    At the time of the Fourth Amendment’s adoption, private
    individuals who personally observed the commission of a
    felony could lawfully seize the perpetrator. 4 Blackstone,
    supra, at *293; see also Garlan & McGehee, supra, at 884–
    89. Officers had this same power when operating outside
    their sovereign’s jurisdiction. 4 Blackstone, supra, at *293.
    Under the historical approach relied upon in Henderson (and
    many other cases, see, e.g., Moore, 
    553 U.S. at
    168–69), a
    seizure of a felon by an officer acting outside of the scope of
    his sovereign’s authority may be reasonable if the common
    law would allow a private person to seize the felon in the
    20                  UNITED STATES V. COOLEY
    same circumstances. 9 This principle roughly comports with
    our holding in Bressi — that tribal officers can seize non-
    Indians on a state highway within Indian territory who have
    obviously committed a crime, even when the officers have
    no authority to exclude the perpetrator from Indian territory.
    
    575 F.3d at 896
    .
    The Tenth and Third Circuits, outside the context of
    tribal authority, have suggested that a state officer does not
    violate the Fourth Amendment by seizing a suspect in
    another state. 10 See United States v. Jones, 
    701 F.3d 1300
    ,
    1309–10 (10th Cir. 2012); United States v. Sed, 
    601 F.3d 9
    A private citizen’s ability to seize felons at common law did not
    also provide private citizens the ability to conduct searches. See 4
    Blackstone, supra, at *293; cf. Bressi, 
    575 F.3d at 896
    .
    10
    Jones and Sed both involved officers who unwittingly seized a
    felon across state lines. Jones, 701 F.3d at 1305; Sed, 
    601 F.3d at
    226–
    27; see also Engleman, 
    546 F.3d at 946, 949
     (same). Saylor took no such
    unwitting actions. He assumed that Cooley was a non-Indian, yet
    continued to investigate him, detain him, and search his possessions. We
    do not today address circumstances in which, for example, a tribal officer
    asks whether the individual is an Indian and is told, incorrectly, that he
    is.
    We also do not address whether an officer violates the Fourth
    Amendment when conducting a search or seizure in another political
    subdivision of the same state. See Rose v. City of Mulberry, 
    533 F.3d 678
    , 680 (8th Cir. 2008); Pasiewicz v. Lake Cty. Forest Preserve Dist.,
    
    270 F.3d 520
    , 526 & n.3 (7th Cir. 2001). We leave open as well whether
    there are other circumstances in which an officer may comply with the
    Fourth Amendment even if acting outside his geographical authority —
    for example, if in hot pursuit of a suspect or in another exigent
    circumstance he arrests a suspect. See Patch, 
    114 F.3d at 134
    ; United
    States v. Goings, 
    573 F.3d 1141
     (11th Cir. 2009); Ross v. Neff, 
    905 F.2d 1349
    , 1354 (10th Cir. 1990); Eriksen, 259 P.3d at 1083 n.6.
    UNITED STATES V. COOLEY                           21
    224, 228 (3d Cir. 2010); but see Ross, 
    905 F.2d at 1354
    (holding that a warrantless arrest by a state officer within
    Indian country violated the Fourth Amendment). But, the
    defendants in both Jones and Sed principally argued that
    their arrests violated the Fourth Amendment because those
    arrests violated state law. Jones, 701 F.3d at 1308–09
    (relying on Moore, 
    553 U.S. at 176
    ); Sed, 
    601 F.3d at 228
    (same). Those courts rightly rejected that argument; it is
    well-established that a search is not unreasonable under the
    Fourth Amendment simply on the ground that the search
    violated state statutes. 
    11 Jones, 701
     F.3d at 1309–10; Sed,
    
    601 F.3d at 228
    ; see also Moore, 
    553 U.S. at 176
    ; Goings,
    
    573 F.3d at 1143
    .
    In this case, however, the problem is not that the tribal
    officer was acting in violation of state (or federal) law. The
    divisions between tribal authority on the one hand, and
    federal and state authority on the other, have deep roots that
    trace back to the nation’s founding. Whether a tribal
    officer’s actions violate ICRA’s Fourth Amendment
    analogue does not turn on whether his actions are lawful
    under current statutory law. Rather, the limitations on tribal
    authority derive from the recognition that “Indian tribes are
    unique aggregations possessing attributes of sovereignty
    over both their members and their territory; they are a
    separate people possessing the power of regulating their
    internal and social relations.” Antelope, 
    430 U.S. at 645
    (internal citations and quotation marks omitted). The tribes
    11
    The defendants in Jones and Sed did not, it appears, present a
    historical analysis similar to the one in Henderson. That analysis
    demonstrates that the common law of the founding era, not contemporary
    statutory law, is most pertinent to whether a search by an officer acting
    beyond his sovereign’s power is invalid under the Fourth Amendment.
    We therefore do not read Jones and Sed as inconsistent with Henderson.
    22               UNITED STATES V. COOLEY
    are “separate sovereign[s]” that possess the “inherent or
    sovereign authority” over tribal members and other Indians,
    Lara, 
    541 U.S. at 197
    , but not others. Consistent with the
    fundamental nature of the sovereignty concepts governing
    the scope of tribal authority, the Tenth Circuit in Ross held
    that state officers violate the Fourth Amendment if they
    make an arrest in tribal territory. 
    905 F.2d at
    1352–54; see
    also Jones, 701 F.3d at 1311–12.
    In sum, when a tribal officer exceeds his tribe’s
    sovereign authority, his actions may violate ICRA’s Fourth
    Amendment counterpart because, when the Fourth
    Amendment was adopted, officers could not enforce the
    criminal law extra-jurisdictionally in most circumstances.
    The tribal officers’ extra-jurisdictional actions do not violate
    ICRA’s Fourth Amendment parallel only if, under the law of
    the founding era, a private citizen could lawfully take those
    actions. Whether the officer’s actions violate current state,
    federal, or tribal law is not the fulcrum of this inquiry.
    Moore, 
    553 U.S. at 176
    .
    2
    There is also no doubt that under the standard we have
    set forth, Saylor violated ICRA’s Fourth Amendment
    parallel when he twice searched Cooley’s truck after seizing
    him. At those times, Saylor was acting outside the tribe’s
    jurisdictional authority. Under the law of the founding era,
    Saylor would not have had authority as a private citizen to
    seize Cooley and detain him in his patrol car until state or
    federal officers arrived on the scene, as it was not obvious to
    that point that a crime had been or was being committed. In
    any event, Saylor lacked authority, by analogy to a private
    person, to return to Cooley’s truck and enter the car to
    retrieve the rifles still in the truck, or to search the truck a
    second time. See supra 18–22 & n. 9.
    UNITED STATES V. COOLEY                 23
    III
    We affirm the district court’s grant of the motion to
    suppress evidence. Saylor exceeded his jurisdictional
    authority when he twice searched Cooley’s truck. We hold
    that the exclusionary rule applies to violations of ICRA’s
    Fourth Amendment counterpart, and that Saylor violated
    ICRA’s Fourth Amendment parallel. Suppression of the
    fruits of this unlawful search was therefore proper.
    AFFIRMED, AND REMANDED.