United States v. Daren Phillips ( 2022 )


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  •                     FOR PUBLICATION
    UNITED STATES COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    UNITED STATES OF AMERICA,                       No. 20-10304
    Plaintiff-Appellee,
    D.C. No.
    v.                          3:18-cr-00101-
    MMD-WGC-1
    DAREN W. PHILLIPS,
    Defendant-Appellant.                 OPINION
    Appeal from the United States District Court
    for the District of Nevada
    Miranda M. Du, Chief District Judge, Presiding
    Argued and Submitted November 15, 2021
    San Francisco, California
    Filed April 29, 2022
    Before: Richard A. Paez and Michelle T. Friedland, Circuit
    Judges, and Edward R. Korman, * District Judge.
    Opinion by Judge Korman
    *
    The Honorable Edward R. Korman, United States District Judge
    for the Eastern District of New York, sitting by designation.
    2                  UNITED STATES V. PHILLIPS
    SUMMARY **
    Criminal Law
    The panel affirmed a judgment of conviction in a case in
    which Daren Phillips entered a conditional guilty plea to
    possession of child pornography, reserving the right to
    appeal the denial of his motion to suppress evidence found
    on his laptop computer.
    After calling off her engagement to Phillips, Amanda
    Windes discovered child pornography on his computer,
    which she then brought to the Washoe County Sheriff’s
    Office. While Windes was there, Detective Gregory Sawyer
    asked her to show him only images that she had already
    viewed when she had accessed the laptop by herself. Windes
    complied with that request.
    Phillips moved to suppress on the ground that, because
    Sawyer directed Windes to access the computer without
    Phillips’s permission to show Sawyer what she had already
    seen, Windes’s search of the computer at the sheriff’s office
    was an unlawful law-enforcement search.
    Because the U.S. Attorney does not dispute Phillips’s
    assertion that Windes acted as a state agent when she
    accessed the computer at the sheriff’s office, the panel
    assumed that this was a government search.
    But applying United States v. Jacobsen, 
    466 U.S. 109
    (1984), and United States v. Bowman, 
    215 F.3d 951
     (9th Cir.
    **
    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. PHILLIPS                   3
    2000), the panel held that the search was permissible
    because, as the parties agree, when Windes accessed the
    child pornography on Phillips’s computer at the sheriff’s
    office, she merely mimicked her earlier private search. The
    panel rejected Phillips’s argument that Jacobsen imposes
    requirements tied to law enforcement’s subjective
    knowledge. The panel distinguished United States v. Young,
    
    573 F.3d 711
     (9th Cir. 2009), on the ground that this case
    does not involve a warrantless entry into a home or its
    equivalent. The panel rejected Phillips’s argument that the
    “common-law trespassory test” set forth in United States v.
    Jones, 
    565 U.S. 400
     (2012), requires suppression in this
    case.
    Noting that in light of Phillips’s valid appeal waiver he
    may argue on appeal only that the supervised-release
    conditions he challenges exceed the permissible statutory
    penalty or violate the Constitution, the panel wrote that this
    court’s precedents establish the legality of all the challenged
    conditions (risk notification, prohibiting access to sexually
    explicit conduct material involving adults, polygraph
    testing).
    COUNSEL
    Aarin E. Kevorkian (argued), Assistant Federal Public
    Defender; Rene L. Valladares, Federal Public Defender;
    Office of the Federal Public Defender, Las Vegas, Nevada;
    for Defendant-Appellant.
    William R. Reed (argued), Assistant United States Attorney;
    Elizabeth O. White, Appellate Chief; Christopher Chiou,
    Acting United States Attorney; United States Attorney’s
    Office, Reno, Nevada; for Plaintiff-Appellee.
    4                UNITED STATES V. PHILLIPS
    OPINION
    KORMAN, District Judge:
    In early 2018, Amanda Windes decided to call off her
    engagement to Daren Phillips. She believed Phillips had
    been lying to her about his alcohol use and financial troubles.
    She had also found “very inappropriate” text messages
    between Phillips and other women. Windes informed
    Phillips that he was no longer welcome in the house they
    shared. Two days later Phillips acknowledged that he needed
    help for his alcoholism, and Windes drove Phillips to a
    hospital, which arranged for a one-month stay at a residential
    treatment center. Windes had custody of many of Phillips’s
    possessions while he was away, including his laptop
    computer. Windes was contacted by Phillips’s ex-wife,
    Kelly Greek, who was worried about how Phillips would pay
    child support while he was in treatment. Greek also told
    Windes that she suspected that Phillips had watched child
    pornography and that Phillips may have been sexually
    interested in a friend of Greek’s daughter.
    Windes decided to examine Phillips’s laptop. She said
    that her primary purpose was to examine his financial
    documents but that she also wanted to see if Phillips had
    been contacting other women and whether he had been
    viewing child pornography. She explained that she was also
    trying “to determine what other issues there w[ere] on top of
    [Phillips’s] alcohol problem for the safety of my children
    and myself.” The laptop was password protected, and
    Windes first tried the password for Phillips’s Netflix
    account, which he had given to her. That password didn’t
    work, so Windes clicked on the laptop’s “forgot your
    password” function, which prompted her to answer
    Phillips’s security questions. She successfully guessed the
    answers to those questions, which allowed her to send a
    UNITED STATES V. PHILLIPS                  5
    temporary password to her own email account. She was then
    able to reset the password and enter Phillips’s computer.
    As Windes browsed Phillips’s computer, she came
    across a folder entitled “phone.” She saw that it was several
    hundred megabytes in size and opened the folder. The folder
    displayed the names of all the files in the folder and their
    associated “thumbnail illustration[s]” (a small photo which
    indicated what each file contained). There were thousands of
    such thumbnail illustrations in the folder. They included
    “pictures of infants and all of their exposed genitalia” and
    “images of young females” who were “very scantily clad and
    [were in] extremely sexually provocative poses.” As she
    scrolled down through the folder, she saw that many of the
    file names indicated how old the children were (from infants
    to teenagers). Windes saw that this “phone” folder contained
    only child pornography. She testified that the images were
    “highly graphic” and left her “disgusted.” She “felt law
    enforcement needed to further investigate.”
    Windes first took the laptop to Police Services at the
    University of Nevada (where she worked) and told them
    only that she had a computer that she needed somebody to
    look at. Police Services told her to take the computer to the
    Washoe County Sheriff’s Office (“sheriff’s office”) because
    it did not belong to the university. At the sheriff’s office,
    Windes told the front desk deputy that she had a computer
    that she suspected contained a significant amount of child
    pornography. She was then interviewed by Detective Arick
    Dickson for about two-and-a-half hours. Windes told
    Dickson what she had found and how she had accessed the
    computer. She described in detail many of the thumbnail
    images of child pornography she had seen. She also relayed
    to Dickson her “concerns for . . . [her] children’s safety,
    6               UNITED STATES V. PHILLIPS
    especially due to the nature of the material on Phillips’[s]
    laptop.”
    Dickson then brought in Detective Gregory Sawyer, who
    asked Windes to show him only images that she had already
    viewed when she had accessed the laptop by herself. Windes
    and Sawyer testified—and the district court found—that
    Windes complied with that request and showed the
    detectives only the thumbnail images and accompanying file
    names she had previously seen while scrolling through the
    “phone” folder. Only Windes operated the computer while
    she showed Sawyer the images. Sawyer recognized some of
    the thumbnail images from prior child pornography
    investigations. Sawyer then seized the laptop and applied for
    and obtained a search warrant. The application included a
    brief written description of two thumbnail images that
    Windes had shown him and the associated file names. A
    subsequent forensic search of the laptop found over 4,750
    images of child pornography and 538 child pornography
    videos.
    Phillips was indicted for one count of transportation of
    child pornography, in violation of 18 U.S.C. § 2252A(a)(l),
    and one count of possession of child pornography, in
    violation of 18 U.S.C. § 2252A(a)(5)(B). He moved to
    suppress the evidence from the laptop on the ground that,
    because Sawyer directed Windes to access Phillips’s
    computer without his permission to show Sawyer what she
    had already seen, Windes’s search of the computer at the
    sheriff’s office was an unlawful law-enforcement search.
    After holding a hearing, the district judge denied the motion.
    Phillips then entered a conditional guilty plea to one
    count of possessing child pornography, reserving the right to
    appeal the denial of his motion to suppress. Phillips was
    sentenced to 63 months’ incarceration and 20 years of
    UNITED STATES V. PHILLIPS                      7
    supervised release subject to certain conditions that he also
    challenges on appeal.
    DISCUSSION
    The Supreme Court has long held that it does not violate
    the Fourth Amendment for a law enforcement officer to
    accept and use evidence that a private party discovers
    pursuant to its own private search, even if that private search
    was unlawful. See Burdeau v. McDowell, 
    256 U.S. 465
    ,
    475–76 (1921); Coolidge v. New Hampshire, 
    403 U.S. 443
    ,
    485–90 (1971). This rule is based on the principle that “[t]he
    Fourth Amendment[’s ]protection against unlawful searches
    and seizures . . . applies to governmental action” and “was
    not intended to be a limitation upon other than governmental
    agencies.” Burdeau, 
    256 U.S. at 475
    . Moreover, “the
    consequences of Burdeau do not offend the more modern
    rationale of the Fourth Amendment exclusionary rule . . .
    [which] is most often explained on grounds of deterrence.”
    1 Wayne R. LaFave, Search & Seizure § 1.8(a) (6th ed.
    2021). Specifically, “extension of the exclusionary rule to all
    private illegal searches for purposes of deterrence would be
    difficult to justify” because “the private searcher . . . is often
    motivated by reasons independent of a desire to secure
    criminal conviction and . . . seldom engages in searches
    upon a sufficiently regular basis to be affected by the
    exclusionary sanction.” Id.; see also United States v. Janis,
    
    428 U.S. 433
    , 455 n.31 (1976) (“[T]he exclusionary rule, as
    a deterrent sanction, is not applicable where a private party
    . . . commits the offending act.”). Still, “the issue of precisely
    what it takes to put a search outside the ‘private’ category is
    frequently litigated in a wide variety of settings.” 1 LaFave,
    supra, § 1.8.
    This is one such setting. Windes, on her own volition,
    searched Phillips’s laptop and uncovered child pornography.
    8               UNITED STATES V. PHILLIPS
    While she may not have had the authority to conduct the
    search on that password-protected laptop, she was clearly
    acting as a private party. Having discovered child
    pornography, and thus finding herself in possession of
    contraband, she decided to take and show it to law
    enforcement authorities. And when she was informed by a
    law enforcement officer that she should access the computer
    so that he could see what she wanted to show him, he made
    it clear that he did not wish to see anything more than what
    she had already seen, and she acted in line with those
    instructions.
    1
    Phillips asserts that Windes acted as a state agent when
    she completed the second search because she took cues from
    Sawyer when doing so. This argument is premised on
    Sawyer’s effort to ensure that in viewing the materials that
    Windes had already seen and wished to show him, there
    would be no greater invasion of Phillips’s privacy than had
    already occurred. Because the U.S. Attorney does not
    dispute Phillips’s somewhat counterintuitive assertion that
    Windes acted as a state agent when she accessed the
    computer at the sheriff’s office, we assume that this was a
    government search.
    Nevertheless, this search was permissible. United States
    v. Jacobsen illustrates “the appropriate analysis of a
    governmental search which follows on the heels of a private
    one.” 
    466 U.S. 109
    , 115 (1984). There, FedEx employees
    opened a package, saw it contained a white powdery
    substance, repacked the materials, and alerted the Drug
    Enforcement Administration (“DEA”). See 
    id. at 111
    . Then,
    a DEA agent reopened the package, removed its contents
    without obtaining a warrant, and found that the white powder
    it contained was cocaine. See 
    id.
     at 111–12. The Supreme
    UNITED STATES V. PHILLIPS                   9
    Court held that the FedEx employees’ earlier private search
    and their decision to alert law enforcement to their findings
    made the agent’s warrantless search permissible. The Court
    explained that “the legality of the governmental search must
    be tested by the scope of the antecedent private search.” 
    Id. at 116
    . “[I]t hardly infringed respondents’ privacy for the
    [DEA] agent to reexamine the contents of the open package”
    because “the Federal Express employees had just examined
    the package and had, of their own accord, invited the federal
    agent to . . . view[] its contents.” 
    Id. at 119
    ; see 
    id. at 120
    (“Similarly, the removal of the plastic bags from the tube and
    the agent’s visual inspection of their contents [were
    permissible actions because they] enabled the agent to learn
    nothing that had not previously been learned during the
    private search.”). We have thus held that Jacobsen
    establishes that, where a private party notifies law
    enforcement of its private search, a state “agent’s
    [subsequent] search is permissible, and constitutional, to the
    extent that it mimic[s the earlier] private search.” United
    States v. Bowman, 
    215 F.3d 951
    , 956, 963 (9th Cir. 2000).
    That is precisely what occurred here. Windes went to the
    sheriff’s office to alert law enforcement to what she
    uncovered on Phillips’s laptop. Sawyer testified that he told
    Windes to “[j]ust do what you had done and show me what
    you saw.” Windes testified that she “opened up the computer
    and turned it on, used the same password to log into
    Phillips’[s] user name, and then opened up the same Phone
    folder.” She then scrolled down and showed him “the same
    files that [she] saw” the previous night with the same names
    that she had remembered. 
    Id.
     She “did not access anything
    that [she] had not previously seen.” A video was also
    admitted into evidence of Sawyer recreating the search he
    conducted with Windes, which showed that she did not have
    to “scroll down very far in the ‘phone’ folder before locating
    10                 UNITED STATES V. PHILLIPS
    the thumbnails corresponding to the filenames and
    descriptions he included in his search warrant affidavit.”
    Based on this evidence, the district court judge found that
    “Sawyer told [Windes] to not show him anything she had not
    already seen, she understood his instruction, and she did not
    show anything she had not already seen.” Indeed, the judge
    “infer[red]” from Sawyer’s admonition that “Sawyer was
    aware of the private search exception and was trying to
    operate within it.”
    Although it is possible that—unlike a stagnant
    container—the folder on Phillips’s computer could have
    automatically updated with new material from his phone
    between Windes’s searches at her home and the sheriff’s
    office or that a previously unviewed notification or alert
    could have popped up on the screen, Phillips does not allege
    that his devices were set to do so. Indeed, he concedes that
    the scope of the two searches was the same. Accordingly, we
    accept the district court’s conclusion that, when Windes
    accessed the child pornography on Phillips’s computer at the
    sheriff’s office, she merely “mimicked [her earlier] private
    search.” Bowman, 
    215 F.3d at 963
    . 1
    2
    Nevertheless, Phillips argues that the evidence
    uncovered pursuant to Windes’s actions at the sheriff’s
    office must be suppressed for reasons tied to law
    1
    Even if Sawyer had inadvertently seen more of Phillips’s computer
    than Windes originally had, at least one circuit has held—as then-Judge
    Sotomayor explained—that “only the information attributable to that
    additional ‘search’ would require suppression,” not the information the
    private individual already uncovered. United States v. $557,933.89,
    More or Less, in U.S. Funds, 
    287 F.3d 66
    , 87–88 (2d Cir. 2002)
    (Sotomayor, J.) (emphasis in original).
    UNITED STATES V. PHILLIPS                     11
    enforcement’s subjective knowledge. For example, Phillips
    argues that Jacobsen does not apply because: “Sawyer
    lacked virtual certainty a subsequent search of Phillips’s
    computer would reveal only contraband” or “virtual
    certainty that a subsequent search of the item [would]
    compromise no remaining privacy interest”; and “Sawyer
    did not know the details of Windes’s [prior] search or full
    contents of the folder” containing the child pornography
    before Windes accessed the computer in his presence. 2
    Phillips relies on language in the Supreme Court’s decision
    in United States v. Jacobsen—language that we repeated in
    United States v. Young, 
    573 F.3d 711
     (9th Cir. 2009). But
    neither case ultimately supports his arguments.
    As Phillips points out, Jacobsen states that “[w]hen the
    first federal agent on the scene initially saw the package, he
    knew it contained nothing of significance except a tube
    containing plastic bags and, ultimately, white powder” and
    that, “[e]ven if the white powder was not itself in ‘plain
    view,’ . . . there was a virtual certainty that nothing else of
    significance was in the package and that a manual inspection
    of the tube and its contents would not tell him anything more
    than he already had been told.” 
    466 U.S. at
    118–19; see 
    id.
    at 120 n.17 (“[T]he precise character of the white powder’s
    visibility to the naked eye is far less significant than the facts
    that the container could no longer support any expectation of
    privacy, and that it was virtually certain that it contained
    nothing but contraband.”).
    But read in context, Jacobsen’s “virtual certainty”
    references—and other similar language—do not create any
    2
    Phillips argues that, before Windes accessed the computer in
    Sawyer’s presence, she had only told Detective Dickson what she had
    found and Dickson had not relayed that information to Sawyer.
    12              UNITED STATES V. PHILLIPS
    subjective requirements for the application of its holding.
    Instead, the language to which Phillips points simply
    articulates an objective test pertaining to the scope of the
    searches. The Court described the DEA agent’s prior
    knowledge of the entire package, as conveyed by the Fedex
    employees, because that knowledge made clear that the
    package had already been thoroughly examined and thus the
    government search could not exceed the scope of those
    employees’ prior one. Indeed, the Court went on to explain:
    Respondents do not dispute that the
    Government could utilize the Federal
    Express employees’ testimony concerning
    the contents of the package. If that is the case,
    it hardly infringed respondents’ privacy for
    the agents to reexamine the contents of the
    open package by brushing aside a crumpled
    newspaper and picking up the tube. The
    advantage the Government gained thereby
    was merely avoiding the risk of a flaw in the
    employees’ recollection, rather than in
    further infringing respondents’ privacy.
    Protecting the risk of misdescription hardly
    enhances any legitimate privacy interest, and
    is not protected by the Fourth Amendment.
    
    Id. at 119
    . The Court’s explanation confirms that a
    government search that does not exceed the bounds of a
    private one is not an invasion of privacy under the Fourth
    Amendment. The only advantage gained by the
    government’s own search is avoiding the private party’s
    “misdescription”—and that is a permissible advantage.
    What was important to the Jacobsen Court was that the DEA
    agent’s search “enabled [him] to learn nothing that had not
    previously been learned during the private search,” not that
    UNITED STATES V. PHILLIPS                          13
    he have subjective knowledge of what was learned during
    the private search. The description of the DEA agent’s
    knowledge simply made clear that he was not exceeding the
    private search. 
    Id. at 120
    ; see also 
    id. at 116
     (“[T]he legality
    of the governmental search must be tested by the scope of
    the antecedent private search.”). “As in other Fourth
    Amendment contexts,” then, the inquiry remains “an
    objective one.” Graham v. Connor, 
    490 U.S. 386
    , 397
    (1989); cf. Torres v. Madrid, 
    141 S. Ct. 989
    , 998 (2021)
    (“[W]e rarely probe the subjective motivations of police
    officers in the Fourth Amendment context.”).
    Here, as in Jacobsen, Windes’s accessing the computer
    in Sawyer’s presence “enabled [Sawyer] to learn nothing
    that had not previously been learned during the private
    search” and was therefore permissible. Id. at 120. But unlike
    Jacobsen, our conclusion regarding the equivalence between
    the scope of the searches arises because the record
    demonstrates that Sawyer instructed Windes to recreate her
    prior search so he only saw what she had already seen, and
    Windes abided by those instructions. 3
    Our opinion in Young, 
    573 F.3d 711
    , does not change
    this conclusion. It simply represents an application of the
    Supreme Court’s decision in Stoner v. California, 
    376 U.S. 483
     (1964). Stoner held that “[n]o less than a tenant of a
    3
    Moreover, even if Jacobsen’s application depends on the
    subjective knowledge of the person conducting the search, that test was
    satisfied here. Unlike the DEA agent in Jacobsen, who had not
    conducted the initial search but who had learned about the entire contents
    of the package from the FedEx employees, Windes had previously
    accessed the Phone folder of Phillips’s computer and saw that it
    contained child pornography. Thus Windes—the alleged state agent
    conducting the subsequent search in this case—possessed subjective
    knowledge and virtual certainty of what her search would reveal.
    14               UNITED STATES V. PHILLIPS
    house, . . . a guest in a hotel room is entitled to constitutional
    protection” from a warrantless entry into his room regardless
    of any prior intrusion or permission given by hotel
    employees. 
    Id. at 490
    . In Young, hotel security initially
    entered the defendant’s room without his permission to
    investigate whether he had stolen items from another guest,
    and they uncovered a gun in his backpack in addition to other
    items. 
    573 F.3d at 714
    . This was a private search that did not
    implicate the Warrant Clause of the Fourth Amendment.
    Nevertheless, the issue in Young turned on a second entry
    into and search of the hotel room by hotel security after they
    contacted law enforcement officers. 
    Id. at 715
    . “The
    Government d[id] not dispute the district court’s conclusion
    that [hotel] security should be considered state actors for the
    purposes of the second search.” 
    Id. at 717
    . Thus, Young
    involved a warrantless entry into the defendant’s hotel room
    by state actors against which he was protected by the
    Warrant Clause because “a hotel guest’s . . . room is like a
    home . . . [and the] guest has a legitimate and significant
    privacy interest . . . against unlawful government
    intrusions.” 
    Id. at 721
    . And, absent exigent circumstances,
    such an intrusion is unlawful if undertaken without a warrant
    or consent of the occupant. See Stoner, 
    376 U.S. at
    489–90;
    see also Payton v. New York, 
    445 U.S. 573
    , 589–90 (1980)
    (“[A]t the very core of the Fourth Amendment stands the
    right of a man to retreat into his own home and there be free
    from unreasonable governmental intrusion. . . . Absent
    exigent circumstances, that threshold may not reasonably be
    crossed without a warrant.” (alterations and internal
    quotation marks omitted)).
    The language in Young upon which Phillips relies
    appears in our discussion rejecting “[t]he Government[’s]
    argu[ment],” which it had raised “for the first time on appeal,
    that United States v. Jacobsen . . . should be extended to
    UNITED STATES V. PHILLIPS                  15
    permit the search of Young’s backpack stored in his hotel
    room.” 
    573 F.3d at 720
    . Phillips is correct that in Young we
    discussed language from Jacobsen that, by the time the DEA
    agent arrived, “it was virtually certain that [the package]
    contained nothing but contraband.” Jacobsen, 
    466 U.S. at
    120 n.17; see Young, 
    573 F.3d at 721
    . But when we did
    so, it was merely to explain that Young “[wa]s
    distinguishable from Jacobsen” because the hotel security
    “could not have been ‘virtually certain’ . . . that the gun was
    contraband.” 
    Id.
     After all, unlike narcotics, “[i]t is not a
    crime in most circumstances for a non-felon to possess a
    gun.” 
    Id.
    While the two cases were distinguishable in the manner
    Young suggested, it is unlikely this distinction was crucial to
    our decision. Surely, we did not mean to suggest that our
    decision would have been different had the hotel security in
    Young been “virtually certain” as to the nature of the items
    the second search of Young’s hotel room would uncover.
    Indeed, it could not have been. Unlike this case, Young
    concerned the unique privacy interests an individual has in
    his residence (and, by extension, a temporary residence like
    a hotel room). See United States v. Lichtenberger, 
    786 F.3d 478
    , 484 (6th Cir. 2015) (“Homes are a uniquely protected
    space under the Fourth Amendment.”). Under Stoner, no
    prior private search and no level of certainty regarding what
    the second search would uncover could have allowed state
    actors to enter Young’s hotel room without a warrant or his
    consent. Young relied expressly on well-settled Supreme
    Court law that “[b]elief, however well founded, that an
    article sought is concealed in a dwelling house, furnishes no
    justification for a search of that place without a warrant. And
    such searches are held unlawful notwithstanding facts
    unquestionably showing probable cause.” 
    573 F.3d at 721
    (emphasis added) (quoting Johnson v. United States,
    16                 UNITED STATES V. PHILLIPS
    
    333 U.S. 10
    , 14 n.14 (1948))). 4 Unlike Young, but like
    Jacobsen, this case does not involve a warrantless entry into
    a home or its equivalent. Accordingly, Young does not alter
    the current inquiry.
    Phillips also argues that the extensive amount of personal
    information contained in a laptop makes it similar to a
    private residence, meaning that the private search doctrine
    should not apply. An analysis of this argument depends on
    to which of the two aspects of the doctrine it refers. The first
    involves an intrusion—even an extraordinarily invasive
    intrusion—by a private party who gives the contents
    discovered pursuant to that intrusion to law enforcement.
    Burdeau v. McDowell, 
    256 U.S. at
    475–76. The validity of
    this conduct does not depend on the extent of the private
    information contained in the object or location on which the
    private party intruded. If there is no state action, there is no
    Fourth Amendment violation. 
    Id.
    By contrast, the second aspect of the private search
    doctrine involves “a governmental search which follows on
    the heels of a private one,” Jacobsen, 
    466 U.S. at 115
    , and it
    is to this aspect of the doctrine that Phillips’s argument
    refers. While it is true that modern computers contain so
    much personal information that a search of one could
    4
    The leading treatise on the Fourth Amendment cites Young
    correctly for the proposition that “it is to be doubted that if a private
    person searched the premises of another and then reported to police what
    he had found . . . that the police could then make a warrantless entry of
    those premises and seize the named evidence.” 1 LaFave, supra, § 1.8(b)
    & n.97. Indeed, Young was guided by the analytic framework of the Sixth
    Circuit in United States v. Allen, 
    106 F.3d 695
    , 698–99 (6th Cir. 1997),
    which specifically rejected the argument that Jacobsen could permit a
    “warrantless search of [a defendant’s] motel room.” See Young, 
    573 F.3d at
    720–21.
    UNITED STATES V. PHILLIPS                  17
    “expose to the government far more than the most
    exhaustive search of a house,” Riley v. California, 
    573 U.S. 373
    , 396 (2014), and more than the private party had
    previously uncovered, we have already held that the private
    search doctrine does apply to them, see United States v.
    Tosti, 
    733 F.3d 816
     (9th Cir. 2013). We note that unlike in
    Riley, which involved a search incident to arrest, the search
    here involved a clear limiting principle: the private search
    exception allows police to review only the material that a
    private actor has already viewed. Because a digital container
    like “an email account, cell phone, or laptop” is composed
    of many smaller containers, a subsequent government search
    of a single file (or even a number of files) will not frustrate
    an individual’s privacy interest in the entire device. United
    States v. Wilson, 
    13 F.4th 961
    , 977 n.13 (9th Cir. 2021). We
    acknowledge that it may be more difficult to have “virtual
    certainty” that a search of an electronic device does not
    reveal more than the private search had already revealed,
    given the dynamic nature of such devices. See United States
    v. Rivera-Morales, 
    961 F.3d 1
    , 13 (1st Cir. 2020) (“The
    Court did not define ‘virtual certainty,’ and it is not
    immediately apparent how that concept translates from the
    context of a static object like a package to the ever-changing
    screen on a cellphone.”); see also Lichtenberger, 786 F.3d at
    488. In this case, however, all parties agree that the officer
    did not see anything more than Windes had previously
    viewed, so we need not address this issue.
    3
    Phillips additionally argues that the Supreme Court’s
    decision in United States v. Jones, 
    565 U.S. 400
     (2012),
    supports reversing the district court’s decision. In Jones,
    police attached a GPS tracking device to a car owned by the
    defendant’s wife without a valid warrant. 
    Id.
     at 402–03. The
    18               UNITED STATES V. PHILLIPS
    district court denied the defendant’s motion to suppress the
    data the police collected from that device, holding that the
    defendant lacked a reasonable expectation of privacy with
    respect to the car’s movements on public streets. 
    Id. at 403
    .
    The Supreme Court disagreed. It explained that, even if the
    defendant lacked a reasonable expectation of privacy with
    respect to the car’s public movements, the Fourth
    Amendment nonetheless prohibited the police from
    physically trespassing on the defendant’s wife’s car by
    installing and using the tracking device without a valid
    warrant, and the exclusionary rule applied to the fruits of that
    unwarranted trespass. 
    Id.
     at 404–06.
    According to Phillips, Jones’s “common-law trespassory
    test” for Fourth Amendment violations requires suppression
    in this case. 
    Id. at 409
    . Jacobsen, Phillips says, merely stands
    for the proposition that a private search eliminates an
    individual’s reasonable expectation of privacy with respect
    to an item’s contents. Thus, the fact that Windes had
    previously viewed the files containing child pornography on
    Phillips’s computer only eliminated his reasonable
    expectation of privacy with respect to those files. It did not,
    Phillips argues, give Sawyer the license to instruct Windes
    to again “physically intrude[]” on Phillips’s property—i.e.,
    his computer—by “open[ing] the laptop computer,
    enter[ing] the password . . . navigat[ing] to the ‘phone
    folder’ and scroll[ing] through the images.” And, under
    Jones, that intrusion violated Phillips’s Fourth Amendment
    rights.
    This argument fails. Even if we attribute Windes’s action
    to the officers and assume that those actions constituted a
    “trespass” of Phillips’s property, Jacobsen, too, involved a
    trespass of the defendant’s property. There, after the FedEx
    employees had opened the defendant’s package and found
    UNITED STATES V. PHILLIPS                   19
    white powder, the DEA agent reopened the package and
    removed its contents. Yet the Supreme Court permitted the
    warrantless search even though the agent physically intruded
    onto the package. See Jacobsen, 
    466 U.S. at
    118–22.
    Jacobsen thus establishes that law enforcement officers do
    not violate the Fourth Amendment when, as Phillips claims
    occurred here, they mimic the trespass a private individual
    visited on another’s possessions after being alerted to the
    information uncovered pursuant to that trespass. See
    Bowman, 
    215 F.3d at 956, 963
    . Jones did not involve any
    aspect of the private search exception, nor did it reference
    Jacobsen. Under these circumstances, we must follow the
    Supreme Court’s instruction that “if a precedent of this Court
    has direct application in a case, yet appears to rest on reasons
    rejected in some other line of decisions, the Court of Appeals
    should follow the case which directly controls, leaving to
    this Court the prerogative of overruling its own decisions.”
    Agostini v. Felton, 
    521 U.S. 203
    , 237 (1997) (internal
    quotation marks and citation omitted).
    Moreover, our decision in Tosti, which postdates Jones,
    is consistent with our rejection of Phillips’s argument. There,
    a computer technician uncovered child pornography on the
    defendant’s computer and alerted the police. Tosti, 733 F.3d
    at 818–19. When two detectives arrived, without first
    obtaining a warrant, one of them “directed [the technician]
    to open the images in a ‘slide show’ format so that they
    would appear as larger images viewable one by one.” Id.
    at 819. The technician then “opened up the individual
    images” as the detective requested. Id. We held that, in light
    of the technician’s prior search, Jacobsen dictated that these
    actions did not violate the defendant’s Fourth Amendment
    rights. Id. at 821–22. Thus, we applied Jacobsen even
    though the technician, at the “direct[ion]” of the detective,
    arguably physically intruded on the defendant’s computer
    20              UNITED STATES V. PHILLIPS
    when he “opened up the individual images.” Id. at 819. If
    Jacobsen applied in Tosti, it must also apply here.
    Indeed, this case may be a stronger case than Tosti for
    applying Jacobsen. When Windes, acting as a private
    person, discovered the child pornography on Phillip’s
    computer, she had at least two options for bringing it to the
    attention of law enforcement. First, and impracticably, she
    could have entered the sheriff’s office with laptop open and
    the child pornography displayed in plain view. Second, she
    could have entered with the laptop closed and waited until
    she was in a private setting before opening the laptop and
    navigating to the child pornography. Sensibly, she chose the
    second option. And the only direction she received from a
    law enforcement officer was aimed at ensuring that she
    would not intrude on Phillips’ privacy more than she already
    had.
    In Coolidge v. New Hampshire, the Supreme Court
    observed in analogous circumstances that had the
    defendant’s wife “wholly on her own initiative, sought out
    her husband’s guns and clothing and then taken them to the
    police station to be used as evidence against him, there can
    be no doubt under existing law that the articles would later
    have been admissible in evidence.” 
    403 U.S. at
    487 (citing
    Burdeau, 
    256 U.S. 465
    ). Phillips argues that because Windes
    chose the second option, the evidence uncovered pursuant to
    her actions at the sheriff’s office must be suppressed. “[I]t
    would seem strange” if the result in “cases of this kind . . .
    [would] ‘turn on the fortuity’ of whether and to what extent
    the private person put the contents back into [or closed] the
    container before the police appeared,” 1 LaFave, supra,
    § 1.8(b) (quoting Jacobsen, 
    466 U.S. at
    120 n.17).
    Tosti’s application of Jacobsen to permit “the
    warrantless searches of [the defendant’s] computer,” 
    id.
     at
    UNITED STATES V. PHILLIPS                  21
    821–22, also disposes of Phillips’s argument, which we have
    already addressed, that “given the significant privacy
    interests implicated by modern digital devices, [Jacobsen] is
    categorically inapplicable to warrantless searches of these
    devices, such as Phillips’s personal computer.” Cf. United
    States v. Wilson, 
    13 F.4th 961
    , 972 (9th Cir. 2021) (declining
    to extend Jacobsen to a case where, in response to a Google
    report that its algorithm detected a match between images
    the defendant had attached to an email and known child
    pornography, “the government agent viewed [the] email
    attachments even though no Google employee—or other
    person—had done so”). Other circuits have also applied
    Jacobsen to searches of modern digital devices. See United
    States v. Castaneda, 
    997 F.3d 1318
    , 1327–29 (11th Cir.
    2021); Rivera-Morales, 961 F.3d at 8–11; United States v.
    Reddick, 
    900 F.3d 636
    , 638–39 (5th Cir. 2018);
    Lichtenberger, 786 F.3d at 483–84; United States v.
    Goodale, 
    738 F.3d 917
    , 921 (8th Cir. 2013); Rann v.
    Atchison, 
    689 F.3d 832
    , 836–37 (7th Cir. 2012).
    Phillips’s objections to the use of evidence obtained from
    his computer therefore all fail.
    We also reject Phillips’s challenge to three conditions of
    his supervised release. Because Phillips signed a valid
    appeal waiver, he may argue on appeal only that those
    conditions “exceed[] the permissible statutory penalty [for
    the crime] or violate[] the Constitution.” United States v.
    Watson, 
    582 F.3d 974
    , 981 (9th Cir. 2009). Yet our
    precedents establish the legality of all the challenged
    conditions. See United States v. Gibson, 
    998 F.3d 415
    , 422–
    23 (9th Cir. 2021) (risk notification), cert. denied, No. 21-
    6465 (Jan. 10, 2022); United States v. Ochoa, 
    932 F.3d 866
    ,
    869–71 (9th Cir. 2019) (prohibiting access to material
    depicting sexually explicit conduct involving adults to
    22             UNITED STATES V. PHILLIPS
    defendant convicted of child pornography offense); United
    States v. Stoterau, 
    524 F.3d 988
    , 1003–04 (9th Cir. 2008)
    (polygraph testing).
    The judgment of conviction is AFFIRMED.