United States v. Daniel Anthony Smith , 688 F.3d 730 ( 2012 )


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  •                Case: 10-15929       Date Filed: 07/23/2012       Page: 1 of 24
    [PUBLISH]
    IN THE UNITED STATES COURT OF APPEALS
    FOR THE ELEVENTH CIRCUIT
    _________________________
    No. 10-15929
    _________________________
    D.C. Docket No. 2:10-cr-14067-JEM-1
    UNITED STATES OF AMERICA,
    Plaintiff-Appellee,
    versus
    DANIEL ANTHONY SMITH,
    Defendant-Appellant.
    ________________________
    Appeal from the United States District Court
    for the Southern District of Florida
    _________________________
    (July 23, 2012)
    Before TJOFLAT, PRYOR and RIPPLE,* Circuit Judges.
    RIPPLE, Circuit Judge:
    *
    Honorable Kenneth F. Ripple, United States Circuit Judge for the Seventh Circuit,
    sitting by designation.
    Case: 10-15929        Date Filed: 07/23/2012        Page: 2 of 24
    Daniel Anthony Smith entered a conditional guilty plea to receiving and
    attempting to distribute child pornography, in violation of 
    18 U.S.C. § 2252
    (a)(2)
    and (b)(1).1 Exercising his preserved right to appeal,2 Mr. Smith seeks review of
    the district court’s denial of his motion to suppress inculpatory physical and
    testimonial evidence. He contends, as he did in the district court, that the officers’
    warrantless and uninvited entry into his house violated the Fourth Amendment and
    that the evidence that the officers gathered after that entry should be suppressed
    under the fruit of the poisonous tree doctrine. For the reasons set forth in this
    opinion, we affirm the judgment of the district court.
    I
    BACKGROUND
    A.
    In October 2009, the police department of Sebastian, Florida received an
    anonymous tip that an individual identified as “Dan Smith,” who worked at a
    particular pharmacy, had child pornography on a laptop computer.3 Local law
    1
    The district court’s jurisdiction is predicated on 
    18 U.S.C. § 3231
    .
    2
    This court’s jurisdiction is predicated on 
    28 U.S.C. § 1291
    .
    3
    R.1 at 4.
    2
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    enforcement officers identified Mr. Smith as the apparent subject of the tip and
    forwarded the information to United States Immigration and Customs
    Enforcement. In the following months, Special Agent Brian Ray conducted a
    “covert cyber investigation” of Mr. Smith, but that investigation did not reveal any
    incriminating information.4
    On August 3, 2010, Special Agent Ray, along with Sebastian Police
    Sergeant William Grimmich and Sebastian Police Detective Daniel Acosta, went
    to Mr. Smith’s duplex to conduct a consensual interview--“a knock and talk.”5
    They arrived shortly after 9:00 in the morning in what a witness later described as
    “the middle of summer, a hundred degrees,”6 and noticed that the windows were
    open with the blinds closed. Special Agent Ray knocked on the door; when
    Mr. Smith did not answer, the agent began pounding on the door. He was able to
    look through the blinds of a front window and see “mounds of beer cans” and a
    laptop computer in the living room.7 Sergeant Grimmich and Detective Acosta
    walked around the house and yelled into the windows. Both smelled a foul odor
    4
    
    Id.
    5
    R.33 at 60.
    6
    
    Id. at 103
    ; see also 
    id. at 109
     (testimony of an officer indicating that it was “90 degrees,
    a hundred degrees out”).
    7
    
    Id. at 20
    .
    3
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    coming from Mr. Smith’s apartment. Detective Acosta thought that the odor was
    similar to that of a decomposing body, but he did not share his suspicions with the
    other officers.
    The knocking on Mr. Smith’s front door was sufficiently loud to wake
    Mr. Smith’s neighbor, Darlene Fowler, who had been sleeping in her bedroom at
    the rear of the adjoining unit; indeed, she thought initially that the officers were
    knocking on her door. After about a minute of knocking on Mr. Smith’s door,
    Special Agent Ray did knock on Fowler’s door. When she answered, he asked her
    if Mr. Smith was home. Fowler told Special Agent Ray that she had seen
    Mr. Smith at home the previous evening and that “he[ had] to be home” because
    his car was in the driveway and his windows were open.8 Fowler expressed some
    concern that Mr. Smith was not answering the door, and she requested that the
    officers check on him.9 She also appears to have mentioned to Sergeant
    Grimmich, although not to the other officers, “that Mr. Smith was feeling some
    8
    
    Id. at 99, 102
    .
    9
    Fowler’s concern appears to have arisen, in part, because of the suicide of a previous
    tenant of Mr. Smith’s apartment. There is no suggestion in the record that the previous tenant
    had any connection to Mr. Smith other than having lived in the same unit. In the suppression
    hearing, Special Agent Ray acknowledged that the previous tenant’s suicide had “no relevance to
    Mr. Smith’s situation.” 
    Id. at 72
    .
    4
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    sort of depression and wasn’t acting right.”10
    The officers conferred in front of Mr. Smith’s duplex, and Sergeant
    Grimmich determined that they should conduct a “welfare check”; that is, they
    should enter the house to ensure Mr. Smith’s well-being. Approximately five or
    six minutes after they first knocked on Mr. Smith’s front door, the officers went to
    the back of the house and entered an unlocked screened-in porch from which they
    could access a partially open sliding glass door into the house.11 As Detective
    Acosta opened the sliding glass door further, Special Agent Ray “heard a
    moaning-type sound”12 and Sergeant Grimmich heard “a moan or a gro[a]n coming
    from inside the residence.”13 Detective Acosta, who was closest to the house, did
    not hear the sound. After announcing their presence, the officers entered the
    10
    
    Id. at 108
    . This assertion is supported only by Sergeant Grimmich’s testimony; Special
    Agent Ray and Fowler were silent on this point. Additionally, Sergeant Grimmich omitted this
    important piece of information from his report, which he completed on September 6, 2010, more
    than a month after the August 3, 2010 incident and the day before the suppression hearing.
    However, he testified in the suppression hearing that he did not intend his report to be “a
    transcript of every single detail that happened” on August 3, 2010. See 
    id. at 127
    . Despite the
    lack of corroboration, the district court found that Fowler “told one officer that she thought
    [Mr. Smith] was depressed.” R.38 at 5. This finding, supported as it was by Sergeant
    Grimmich’s testimony, was not clearly erroneous. As the Eighth Circuit recently said: “The
    mere fact an incident report omits certain details is not sufficient to render the officer’s testimony
    concerning the underlying action facially implausible.” United States v. Mendoza, 
    677 F.3d 822
    ,
    828 (8th Cir. 2012).
    11
    R.33 at 73-74.
    12
    Id. at 24.
    13
    Id. at 110.
    5
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    home.14 Their firearms were drawn and held in a “low raid” position, which
    Special Agent Ray later described as “[w]eapon out, pointed down toward the
    floor.”15 The officers did not take their first aid kits into the house with them, and
    they had not requested an ambulance or other medical assistance.
    The officers walked through the kitchen, turned down a hallway and
    stopped at Mr. Smith’s bedroom door. Mr. Smith was laying naked on an
    inflatable mattress. After Detective Acosta saw that Mr. Smith “was nude and
    didn’t have a weapon, [Detective Acosta] immediately holstered [his] weapon,”16
    and the other officers followed suit.17 While standing outside of the bedroom
    door, Detective Acosta asked Mr. Smith if he was okay. Mr. Smith said that he
    was and asked the officers what was going on. Special Agent Ray stepped into the
    room, told Mr. Smith that they were there to speak with him and asked Mr. Smith
    if he was willing to talk. Mr. Smith indicated that he wanted to get dressed and
    that he would talk to the officers outside. The three officers then exited the house
    14
    There are conflicting accounts in the record as to when the officers first identified
    themselves as law enforcement agents, but all agree that it was at no later than this point.
    15
    Id. at 26.
    16
    Id. at 133.
    17
    Id. at 90, 112.
    6
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    through the front door, with Mr. Smith eventually following them out.18
    Once outside, Special Agent Ray falsely told Mr. Smith that, by virtue of
    “an aggressive monitoring program,” the Government had detected that “child
    pornography had been transmitted from his residence,” and that the officers “were
    interested in taking a look at his computers.”19 Mr. Smith, who described himself
    as “particularly computer knowledgeable,” told Special Agent Ray that he had a
    secured wireless network and that he had no reason to believe that it had been
    compromised.20 Mr. Smith denied seeing child pornography on his computer and
    asked Special Agent Ray when “child pornography had been detected coming
    from his residence.”21 When Special Agent Ray told him, again falsely, that the
    detection had occurred in November 2009, Mr. Smith gestured to the laptop
    computer that Special Agent Ray had seen through the front window and said that
    he had not owned that laptop at the time. He told Special Agent Ray that he had
    been using a computer that was now broken and “offered [the broken] one for
    18
    There is no description in the record as to the length of time between the officers’
    initial interaction with Mr. Smith and the start of their conversation outside the house.
    19
    Id. at 32-33.
    20
    Id. at 33.
    21
    Id.
    7
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    examination.”22 At the point when Mr. Smith offered to show the officers the
    broken computer, he had been speaking to the officers for approximately four or
    five minutes.23 He then went into the house to retrieve the broken computer,
    continuing to talk to Special Agent Ray as he did so. The officers followed
    Mr. Smith into the house. During this time, the officers later testified, Mr. Smith
    was coherent, responsive and cooperative; although he looked “tired,” with eyes
    that “were a little red, bloodshot,” he apparently gave the officers no reason to
    think that he was intoxicated.24
    Once in the house, Mr. Smith retrieved the broken laptop and brought it to
    the living room. Special Agent Smith “pointed out the laptop that was running in
    the living room and asked [Mr. Smith] if he minded if [the officers] took a look at
    that”; Mr. Smith responded that “it was okay.”25 Special Agent Ray then turned
    the computer around so he could see the screen and saw that the computer was
    running Ares, a peer-to-peer file-sharing program.26 He saw that the laptop was
    downloading three files with names indicative of child pornography and uploading
    22
    Id. at 34.
    23
    Id.
    24
    Id.
    25
    Id. at 40.
    26
    The record sometimes refers to the name of the program as “Aries.” See id. at 42.
    8
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    about eight similarly named files. To halt the transmission, Special Agent Ray
    unplugged the wireless router in Mr. Smith’s bedroom. Special Agent Ray
    continued to examine the laptop in the living room for a period of time--the record
    is unclear on how long--and then, because that room was apparently
    uncomfortable, asked Mr. Smith if they could relocate. Mr. Smith led Special
    Agent Ray to a bedroom, where they continued the interview.
    Special Agent Ray later testified that, after unplugging the wireless router,
    he “made sure Mr. Smith knew that he wasn’t under arrest, that he was free to talk
    to [the officers] or not talk to [them].”27 At some point--again, the record is
    unclear as to when--Mr. Smith asked if they could speak outside, both so he could
    smoke a cigarette and because he was embarrassed about the condition of his
    house. After moving outside, Mr. Smith consented verbally to a search of his
    home, and he signed a consent form to that effect. The officers identified a
    number of items that they wanted to take back to the police department to
    examine, and “Mr. Smith consented to [those requests].”28
    The officers then asked Mr. Smith to come to the police station to be
    interviewed. After expressing some concern about how long it would take--
    27
    Id. at 46.
    28
    Id. at 49.
    9
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    Mr. Smith apparently had to be at work by 2:00 p.m.--he agreed and opted to be
    taken to the station in a police vehicle rather than to drive himself. At the police
    station, Special Agent Ray read Mr. Smith his Miranda warnings,29 and Mr. Smith
    stated that he understood and that he was willing to speak with the officers. In its
    filings in the district court, the Government asserted that Mr. Smith confessed to
    downloading child pornography and to making it available for upload (so that
    others could download it from his computer via the peer-to-peer file-sharing
    program). After obtaining a warrant to search Mr. Smith’s computers, Special
    Agent Ray found at least one video depicting child pornography.
    B.
    A federal grand jury returned a two-count indictment charging Mr. Smith
    with receiving child pornography and with attempting to distribute child
    pornography, both of which violate 
    18 U.S.C. § 2252
    (a)(2) and (b)(1). Mr. Smith
    filed a motion to suppress the evidence seized from his computers, alleging that
    the officers’ initial warrantless entry into his house had violated the Fourth
    29
    Special Agent Ray later testified that he read Mr. Smith his Miranda warnings not
    because Mr. Smith was in custody, but because they “were in a more formal setting at that point;
    and [he] just felt that given all the circumstances, [he] wanted to make sure [Mr. Smith] was
    aware of his rights.” 
    Id. at 53
    .
    10
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    Amendment and that his confession and the evidence seized from his computers
    therefore were subject to suppression as fruit of the poisonous tree. After
    conducting a suppression hearing at which all three officers and Fowler testified, a
    magistrate judge concluded that the officers’ entry was justified because the
    officers reasonably had believed that Mr. Smith was in danger. The magistrate
    judge also concluded that Mr. Smith voluntarily had consented to the interview
    conducted at his home and to the later searches of the house and the computers
    located there. Accordingly, the magistrate judge recommended that Mr. Smith’s
    motion to suppress be denied.
    Mr. Smith objected to several of the magistrate judge’s factual findings, but,
    after independently considering the record, the district court adopted the
    magistrate judge’s report. It also determined that the circumstances justified a
    warrantless entry into the house to check on Mr. Smith’s welfare and that
    Mr. Smith’s consent had been voluntary. The district court accordingly denied
    Mr. Smith’s motion to suppress.
    Mr. Smith then entered a conditional guilty plea, reserving only the right to
    appeal the denial of his motion to suppress. The district court accepted his plea
    and sentenced him to 180 months’ imprisonment for each count, to be served
    concurrently, followed by a lifetime of supervised release.
    11
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    Mr. Smith timely appealed the denial of the motion to suppress.
    II
    DISCUSSION
    In reviewing the denial of a motion to suppress, “we review the district
    court’s factual findings for clear error[] and its application of the law to the facts
    de novo.” United States v. Bervaldi, 
    226 F.3d 1256
    , 1262 (11th Cir. 2000). All
    “facts are construed in the light most favorable to the prevailing party below,” in
    this case, the Government. 
    Id.
    Mr. Smith contends, as he did before the district court, that the officers
    unlawfully entered his house and that the taint of that entry requires the exclusion
    of the physical and testimonial evidence used to convict him. In the Government’s
    view, the entry was justified under the “emergency aid exception” to the warrant
    requirement and, even if the entry was illegal, the evidence is nevertheless
    admissible because Mr. Smith’s consent dissipated any taint.
    Upon examination of the record, we believe that it is unnecessary to address
    whether the officers’ entry into the home violated the Fourth Amendment. Even if
    the officers’ entry was illegal, the officers did not exploit the circumstances of
    their entry to obtain the evidence later used to convict Mr. Smith. Mr. Smith’s
    12
    Case: 10-15929   Date Filed: 07/23/2012   Page: 13 of 24
    consent was both voluntary and sufficiently attenuated from the entry such that
    any potential taint would have fully dissipated.
    Assuming, for the sake of argument, that the initial entry was illegal, we
    must assess the defendant’s subsequent consent through a two-step inquiry:
    “First, [we] must determine whether the consent was voluntary. Second, [we]
    must determine whether the consent, even if voluntary, requires exclusion of the
    evidence found during the search because it was the fruit of the poisonous tree--
    the product of an illegal entry.” United States v. Delancy, 
    502 F.3d 1297
    , 1308
    (11th Cir. 2007) (internal quotation marks omitted). “This two step approach is
    mandatory, and the government bears the burden on both issues.” 
    Id.
    In light of Mr. Smith’s express concession that his consent was voluntary,30
    our task is limited to the second prong of the inquiry. This “second requirement
    focuses on causation.” United States v. Santa, 
    236 F.3d 662
    , 676 (11th Cir. 2000).
    The Supreme Court has explained that the overriding issue in fruit of the
    poisonous tree cases “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 primary taint.” Wong Sun v. United States, 
    371 U.S. 471
    , 488, 
    83 S. Ct. 407
    ,
    30
    See Reply Br. 5.
    13
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    417 (1963) (internal quotation marks omitted).
    The Supreme Court therefore has recognized, indeed emphasized, that the
    fruit of the poisonous tree doctrine is subject to significant limitations. As the
    Court noted in Hudson v. Michigan, 
    547 U.S. 586
    , 
    126 S. Ct. 2159
     (2006): “Even
    in the early days of the exclusionary rule, we declined to hold that all evidence is
    fruit of the poisonous tree simply because it would not have come to light but for
    the illegal actions of the police.” 
    Id. at 592
    , S. Ct. at 1264 (emphasis in original)
    (internal quotation marks omitted). In short, the Supreme Court has not applied
    mechanically the exclusionary rule to every item of evidence that can be said to
    have a logical causal connection with police misconduct. “But for cause,” or
    causation in the logical sense alone, can be too attenuated to justify exclusion. See
    United States v. Ceccolini, 
    435 U.S. 268
    , 274–75, 
    98 S. Ct. 1054
    , 1059-60 (1978).
    The “dissipation of the taint” concept that the Court has applied in deciding
    whether exclusion is appropriate in a particular case “attempts to mark the point at
    which the detrimental consequences of illegal police action become so attenuated
    that the deterrent effect of the exclusionary rule no longer justifies its cost.”
    Brown v. Illinois, 
    422 U.S. 590
    , 609, 
    95 S. Ct. 2254
    , 2264 (1975) (Powell, J.,
    concurring in part) (internal quotation marks omitted). Therefore, attenuation
    14
    Case: 10-15929       Date Filed: 07/23/2012       Page: 15 of 24
    occurs when the causal connection is remote31 and “when, even given a direct
    causal connection, the interest protected by the constitutional guarantee that has
    been violated would not be served by suppression of the evidence obtained.”
    Hudson, 
    547 U.S. at 593
    , 
    126 S. Ct. at 2164
    . “The penalties visited upon the
    Government, and in turn upon the public, because its officers have violated the
    law must bear some relation to the purposes which the law is to serve.” Ceccolini,
    
    435 U.S. at 279
    , 
    98 S. Ct. at 1061-62
    .
    In undertaking this analysis, “[w]e are obliged to determine whether the
    consent was ‘sufficiently an act of free will to purge the primary taint of the
    unlawful invasion,’ or, alternatively, whether the causal connection had ‘become
    so attenuated as to dissipate the taint.’” Delancy, 
    502 F.3d at 1309
     (quoting Wong
    Sun, 
    371 U.S. at 486-87
    , 
    83 S. Ct. at 416-17
    ). This inquiry requires that we
    review carefully the facts and circumstances of each case. Although no single
    factor is dispositive, we have identified previously three helpful factors in framing
    the analysis: (1) the temporal proximity of the illegal act and the subsequent
    consent, (2) the intervening circumstances and (3) the purpose and flagrancy of the
    officers’ misconduct. 
    Id.
     These factors “are not meant to be exhaustive.” 
    Id.
     The
    underlying question “involves a pragmatic evaluation of the extent to which the
    31
    See, e.g., Nardone v. United States, 
    308 U.S. 338
    , 341, 
    60 S. Ct. 266
    , 268 (1939).
    15
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    illegal police conduct caused the defendant’s response.” Id. at 1310 (internal
    quotation marks omitted).
    We turn first to the time that elapsed between the officers’ entry and
    Mr. Smith’s consent. Our case law reflects the commonsense principle that the
    more time that has elapsed between the illegal act and the defendant’s consent, the
    more likely it is that the defendant’s consent was untainted. Id. For example, we
    have suggested that a period of four days supports the conclusion that any taint
    from an illegal act is “completely attenuated.” Devier v. Zant, 
    3 F.3d 1445
    , 1459
    (11th Cir. 1993). By contrast, three minutes is an “extremely close temporal
    proximity.” United States v. Chanthasouxat, 
    342 F.3d 1271
    , 1280 (11th Cir.
    2003). The record before us yields no precise time line with respect to the events
    in question. We do not know, for instance, how much time passed between the
    officers’ initial entry into the home and the start of their discussion with Mr. Smith
    outside the front door. The record does suggest that, once Mr. Smith came outside
    and spoke with the officers outside his residence, four to five minutes elapsed
    before he led them into his house to show them the first (broken) laptop. Special
    Agent Ray then asked for and received permission to look at the laptop running in
    the living room. After Special Agent Ray identified file names indicative of child
    pornography and disconnected Mr. Smith’s wireless router, he told Mr. Smith that
    16
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    he was not under arrest and that he was under no obligation to speak with the
    officers. The magistrate judge’s report, which was adopted expressly by the
    district court, put this warning at approximately eleven minutes into the
    interview.32 At some later point in the conversation, after the officers and
    Mr. Smith again had exited the house, Mr. Smith filled out a written consent form.
    Only after that did he agree to be interviewed at the police station, where he made
    inculpatory statements. Although the record suggests no particular haste or delay,
    it is again unclear as to the times involved.
    Absolute certainty about the elapse of time is not necessary, of course. Our
    prior cases make clear that the character of the interaction between the law
    enforcement agents and the defendant is relevant to our determination of how
    temporal proximity affects the underlying analysis. When an officer’s interaction
    with an individual is highly intrusive, the passage of time is less likely to attenuate
    the officer’s illegal act from the suspect’s later consent. In United States v. Santa,
    
    236 F.3d 662
    , 666 (11th Cir. 2000), officers unlawfully kicked in the locked front
    32
    R.31 at 37. The magistrate judge’s determination relied on the audio recording of
    Mr. Smith’s interview that was introduced as an exhibit during the suppression hearing; that
    recording, however, is not in the district court docket and, therefore, is not a part of the record
    before us. Although neither party has suggested that the eleven minute estimate is inaccurate, let
    alone clearly erroneous, we note that the length of the recorded interview does not clarify fully
    the time line because the record suggests that there was some delay between when Mr. Smith
    exited his house to speak with the officers and when Sergeant Grimmich retrieved his audio
    recorder and began the recording. See R.33 at 31-32.
    17
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    door of an apartment. With their guns drawn, they ordered one occupant,
    Ramirez, to lay on the floor and proceeded to handcuff him. 
    Id.
     Two to three
    minutes later, the officers told Ramirez--who was then sitting on the floor, still
    handcuffed--that they knew that there were drugs in the house and asked him to
    “just make things easy and tell [them] where the drugs were.” 
    Id.
     (internal
    quotation marks omitted). Ramirez then directed the officers to the drugs that later
    were used to convict him. On appeal, we concluded that Ramirez’s consent, even
    if voluntary, “did not purge the primary taint of the illegal entry and arrest.” 
    Id. at 677
    . In part, our decision was driven by the conclusion that the two- to
    three-minute separation between the officers’ unlawful entry and Ramirez’s
    consent was not “a significant lapse of time.” 
    Id. at 678
    .
    When the circumstances suggest a less intrusive interaction, however, a
    defendant’s consent may be sufficiently attenuated from a prior illegal entry even
    if the time separating the two is relatively brief. In United States v. Delancy, 
    502 F.3d 1297
    , 1301 (11th Cir. 2007), officers conducting an unlawful protective
    sweep of a house encountered an occupant, Godfrey, in or near a bedroom. They
    spoke with her for approximately ten to twenty minutes before asking for her
    consent to search the home. Despite the “relatively brief” time between the illegal
    entry and Godfrey’s consent, we held that the two were sufficiently attenuated
    18
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    such that Godfrey’s consent was untainted by the illegal entry. 
    Id. at 1311
    . We
    emphasized that, “[e]ven though the protective sweep and the consent were close
    in time, Godfrey was not handcuffed or detained. Moreover, the district court
    found that the interaction was conversational in tone, and that the officers did not
    threaten Godfrey in any way.” 
    Id.
     We acknowledged that the passage of time may
    be “more important in the calculus” under the more intrusive circumstances
    present in Santa, but, in light of the relatively unintrusive circumstances present in
    Delancy, we held that “timing [was] not the most important factor.” 
    Id.
    The facts of this case more closely resemble Delancy than Santa. Although
    the officers had their guns drawn when they entered Mr. Smith’s house, they
    carried them pointing toward the floor, without ever aiming them at Mr. Smith.
    When they first saw Mr. Smith, the officers stopped outside of his bedroom door
    and holstered their weapons.33 Special Agent Ray appears to be the only officer
    who entered Mr. Smith’s bedroom, and he did so only after Mr. Smith had
    awakened and had asked what the officers were doing.34 After briefly explaining
    their presence, the officers left Mr. Smith’s house entirely and waited outside
    33
    We note that Mr. Smith has not introduced any evidence that suggests that he was
    aware, at any point during the encounter, that officers had drawn their firearms.
    34
    This stands in marked contrast to Mr. Smith’s description of an officer “standing over
    him” when he awoke. Appellant’s Br. 3, 7.
    19
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    while he dressed. They reentered Mr. Smith’s house only when he led them inside
    and exited again when he later wanted to smoke a cigarette. At no point was
    Mr. Smith handcuffed or detained. The district court found that the encounter
    remained conversational, and Mr. Smith has not suggested otherwise. Delancy
    informs our conclusion that, although the time between the officers’ initial entry
    and Mr. Smith’s consent--uncertain as it is--may have been relatively brief, timing
    is not the most important factor under the facts of this case.
    We next examine whether any intervening circumstances “interrupt[ed] the
    causal connection between the illegal act and the possibly tainted consent or
    confession.” Delancy, 
    502 F.3d at 1311
    . As we just have noted in assessing the
    impact of the relatively brief time interval, the actions of the officers in
    withdrawing from the apartment immediately after ascertaining that Mr. Smith was
    at home assuaged significantly any impact of the initial entry on Mr. Smith’s later
    cooperation. The officers retreated outside the home to an area where they had a
    right to be and waited there until Mr. Smith dressed and joined them. There is no
    indication in the record that they exploited in any way their initial presence in the
    home to identify the presence of evidence or to intimidate Mr. Smith into
    cooperating.
    During the initial conversation outside the house and later upon reentry,
    20
    Case: 10-15929    Date Filed: 07/23/2012   Page: 21 of 24
    Mr. Smith offered to permit the officers to see a broken computer that he claimed
    to have been using at the time when, according to what the officers had told him, a
    Government monitoring program had identified the transmission of child
    pornography from his house. He then allowed them to look at the laptop running
    in his living room. At this point, Mr. Smith had not yet been informed that he had
    the right to refuse consent. After Special Agent Ray saw file names indicative of
    child pornography and disconnected Mr. Smith’s wireless router, however, he told
    Mr. Smith that he was under no obligation to continue the interview. Before
    Mr. Smith consented to any further searches, he signed a written consent form
    provided by Sergeant Grimmich. Only after being warned, both orally and in
    writing, did Mr. Smith permit the officers to search his home and to retrieve, for
    later review, other digital media storage devices. He later consented to be driven
    to and interviewed at the police station, and, once there, he was read his Miranda
    warnings before being questioned.
    Although Mr. Smith did not receive significant warnings at the onset of the
    encounter, the record is devoid of any suggestion that the officers’ conduct during
    this period interfered with his making “a knowing, intelligent, and voluntary
    choice to [consent] in the absence of any coercion or threats from the police.”
    21
    Case: 10-15929       Date Filed: 07/23/2012        Page: 22 of 24
    Delancy, 
    502 F.3d at 1312
    .35 The absence of any such evidence militates in favor
    of concluding that the causal connection between the officers’ initial entry and
    Mr. Smith’s “consent had ‘become so attenuated as to dissipate the taint.’” 
    Id.
    (quoting Wong Sun, 
    371 U.S. at 487
    , 
    83 S. Ct. at 417
    ).
    The last of the enumerated factors focuses on the purpose and flagrancy of
    the officers’ conduct. Mr. Smith submits that a reasonable conclusion can be
    made that the officers entered his home to obtain access to the computer
    equipment inside his residence and, therefore, that his consent is tainted.36
    However, we are bound by the district court’s factual finding “that although the
    officers went to [Mr. Smith’s] home for a ‘knock and talk’ to attempt to gain more
    information about the tip linking him to the viewing and transmission of child
    pornography, the officers actually entered the residence to check on [Mr. Smith’s]
    35
    We acknowledge, of course, that Special Agent Ray lied to Mr. Smith by suggesting
    that a government monitoring program had identified that child pornography had been
    transmitted from his residence. Law enforcement officers may use deception as a valid
    investigative technique so long as they do not present the misrepresentation as “a coercive
    threat.” United States v. Farley, 
    607 F.3d 1294
    , 1328 (11th Cir. 2010). Perhaps more
    importantly, the record suggests no basis upon which we could conclude that Special Agent
    Ray’s misrepresentation was related to the officers’ entry into the home; “there is no suggestion
    that the police exploited” information that they obtained from the initial entry. United States v.
    Delancy, 
    502 F.3d 1297
    , 1313 (11th Cir. 2007). For example, they did not use anything they
    happened to see inside the duplex to bolster the deception.
    36
    Reply Br. 6-7.
    22
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    welfare.”37 Mr. Smith has presented no evidence to support the proposition that
    the district court’s finding was clearly erroneous, and his bare assertion that a
    different conclusion would have been reasonable is insufficient to overcome the
    deference due to the district court’s factual findings. In this case, as in Delancy,
    “we have assumed arguendo that the entry itself was unlawful, [but] the district
    court’s findings make clear that the police did not enter for an unlawful purpose.”
    
    Id.
     (emphasis in original). So understood, the purpose of the officers’ entry
    militates against concluding that Mr. Smith’s consent was tainted.
    The officers also did not act flagrantly. Once inside Mr. Smith’s residence,
    they proceeded directly to his bedroom to check his welfare. They did not search
    his house for computers or digital storage devices, nor did they touch, much less
    examine, the laptop computer sitting in plain view in his living room. Once they
    had satisfied themselves that Mr. Smith was in no danger, the officers exited the
    house and remained outside until he led them back in. With the exception of their
    initial entry into the residence, the officers’ interaction with Mr. Smith is a
    paradigmatic example of a consensual knock-and-talk.
    After considering the totality of the circumstances, paying particular
    attention to the factors that we previously have enumerated, we conclude that the
    37
    R.38 at 6 n.2.
    23
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    officers’ entry did not taint Mr. Smith’s admittedly voluntary consent.
    Conclusion
    Even assuming that the officers’ initial entry into Mr. Smith’s home violated
    the Fourth Amendment, suppression is unwarranted because Mr. Smith’s later
    consent was not tainted by the entry. We therefore affirm the judgment of the
    district court and Mr. Smith’s conviction.
    AFFIRMED.
    24