United States v. Smith , 919 F.3d 1 ( 2019 )


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  •           United States Court of Appeals
    For the First Circuit
    No. 18-1109
    UNITED STATES OF AMERICA,
    Appellee,
    v.
    BRAD SMITH,
    Defendant, Appellant.
    APPEAL FROM THE UNITED STATES DISTRICT COURT
    FOR THE DISTRICT OF NEW HAMPSHIRE
    [Hon. Joseph Laplante, U.S. District Judge]
    Before
    Lynch, Stahl, and Barron,
    Circuit Judges.
    Richard Guerriero, with whom Lothstein Guerriero, PLLC was on
    brief, for appellant.
    Seth R. Aframe, Assistant United States Attorney, with whom
    Scott W. Murray, United States Attorney, was on brief for appellee.
    March 15, 2019
    STAHL,   Circuit       Judge.       This    appeal      arises    out   of
    Defendant-Appellant Brad Smith's conviction for producing six
    videos depicting him sexually assaulting a three-year-old child.
    Smith challenges the district court's denial of his motion to
    suppress evidence recovered from his residence on a Louisiana pecan
    farm,    including      a    laptop    computer     and    two    hard    drives    that
    contained the videos in question, as well as statements he made to
    law enforcement at the farm and during a later interrogation.                          He
    argued    that    law       enforcement    agents    had    violated       his   Fourth
    Amendment rights, and that he was coerced into consenting to the
    search of the residence.              The district court disagreed, holding
    that there was no Fourth Amendment violation and that Smith
    knowingly and voluntarily consented to the search.
    After a short jury trial, Smith was convicted of six
    counts    of    violating      
    18 U.S.C. § 2251
    (a),      the   federal     child
    pornography production statute.                At sentencing, Smith argued that
    because the videos were taken during one continuous sexual assault,
    the charges were multiplicitous.               The district court disagreed and
    ultimately sentenced Smith to a term of imprisonment of fifty
    years.
    On appeal, Smith challenges both the district court's
    denial of his motion to suppress and his sentence.                       However, even
    assuming arguendo that the agents committed a Fourth Amendment
    violation at some point before encountering Smith on the pecan
    - 2 -
    farm, we find that any prior illegality did not significantly
    influence or even play an important role in his subsequent consent
    to the search of his computer and hard drives.          He voluntarily
    consented to the seizure of his computer and hard drives and his
    consent was not obtained by exploitation of any Fourth Amendment
    violation.    In addition, we hold on the facts here that the proper
    unit of prosecution under Section 2251(a) is each video depicting
    the victim. Accordingly, and for the following reasons, we affirm.
    I.   Factual Background
    We recount the facts in two parts.     First, we describe
    events occurring before the law enforcement agents' entry onto the
    pecan farm, which for purposes of this appeal are uncontested.
    Second, we recount the facts relevant to the motion to suppress,
    including the agents' entry onto the farm and subsequent seizure
    of Smith's computer and hard drives, "as the trial court found
    them, consistent with record support."      United States v. Andrade,
    
    551 F.3d 103
    , 106 (1st Cir. 2008) (internal quotation marks and
    citation   omitted).      We   describe   further   facts   relevant   to
    sentencing issues in that section.
    A.   Events Leading Up to the Agents' Entry
    Beginning in 2010, Smith was employed at a concrete plant
    in New Hampshire by the victim's father.      Over the next few years,
    Smith befriended the father and his family, and he occasionally
    - 3 -
    performed repairs at their home.     Smith also regularly came to the
    victim's home for holidays.
    Sometime in early 2015, the father learned that Smith
    had misused company funds.    The company's counsel and distribution
    manager recommended that Smith be terminated.      However, the father
    instead decided to transfer Smith to work on a pecan farm in Breaux
    Bridge, Louisiana, that the victim's family owned.
    In May 2015, before moving to Louisiana, Smith was
    working at the father's home.    On May 25, during one of his visits,
    Smith used a pair of Google glasses to record six videos of him
    sexually assaulting the victim, who was then three years old.      The
    videos depicted various sexual acts that occurred between roughly
    12:43 p.m. and 1:49 p.m.     In the immediate term, Smith remained on
    friendly terms with the father, who was unaware of either the
    assault on his child or the video recordings.         In August 2015,
    Smith relocated to Louisiana to begin working on the pecan farm.
    Meanwhile, in September 2014, agents with the Department
    of   Homeland   Security's    Immigration   and   Customs   Enforcement
    Division ("HSI") obtained a search warrant in the Eastern District
    of Michigan to search the e-mail account pornloveporn@yahoo.com.
    HSI agents discovered that, in October 2013, that account had
    received an e-mail from the address smittyb172@yahoo.com (the
    "Yahoo Account") containing child pornography.       In November 2015,
    Yahoo! provided law enforcement information pertaining to the
    - 4 -
    Yahoo Account in response to an administrative subpoena and search
    warrant.   From Yahoo!'s response, HSI agents discovered that the
    Yahoo Account was registered to Smith, and that he was residing in
    Louisiana at the pecan farm.        HSI Special Agent Lance Lopez
    ("Lopez") led the investigation into Smith and worked with fellow
    HSI Special Agent Erol Catalan ("Catalan") and Louisiana State
    Police Investigator Georgiana Kibodeaux ("Kibodeaux").
    B.   The Agents' Entry onto the Pecan Farm and
    Subsequent Events
    The pecan farm abuts a state highway just outside the
    city limits of Breaux Bridge, Louisiana.     The farm itself has a
    see-through perimeter fence that runs parallel to the highway.    A
    driveway leads from the highway to the residential areas of the
    farm, and the entrance to that driveway is gated at the highway.
    The gate runs wider than the driveway and consists of two metal
    sections that meet in the center.   To open the gate, a person would
    have to enter a code on a keypad located on a nearby pole outside
    the fence.   The code was not posted, although at all relevant
    times, there was a sign near the gate carrying a phone number with
    a New Hampshire area code to call for "deliveries."   There were no
    other signs on or around the front gate.
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    The gate controls access to a driveway that runs through
    adjacent pecan fields for 300 to 500 feet.1        The farm's primary
    residence and an adjacent smaller secondary residence lie to the
    right of the driveway just before it terminates in a wider paved
    area.       A paved footpath travels from the driveway to the front
    porch of the main residence.     A solid six-foot tall wooden privacy
    fence extends from both sides of the primary residence.       Viewing
    the primary residence from the driveway, the privacy fencing
    extended a short distance from the left side of the primary
    residence to a nearby carport.     From the right side of the primary
    residence, the privacy fencing extends farther and encloses a
    larger area behind the home, including the secondary residence.
    The carport consists of a large, roofed structure with partially
    enclosed sides, and covers a portion of the paved area at the end
    of the driveway.       The carport was located next to the primary
    residence and nearby a workshop.       Smith resided in the secondary
    residence.
    In early January 2016, Lopez surveilled the pecan farm.
    Following one of his reconnaissance visits, Lopez called the phone
    number posted near the gate for deliveries, pretending to be a
    1
    In a written memorandum explaining the denial of the motion
    to suppress, the district court stated that the driveway ran 300
    to 500 yards. However, the district court's use of "yards" appears
    to have been in error, as none of the testimony supports the
    conclusion that the driveway traversed that distance.
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    schoolteacher interested in a tour of the farm. A male identifying
    himself as Smith answered the phone, but responded that the owner
    of the property was not currently giving tours.
    On January 12, 2016, Lopez and a local Assistant United
    States Attorney discussed the possibility of obtaining a search
    warrant for the pecan farm and residences. However, they concluded
    that the evidence from the Yahoo Account was too stale for a
    warrant.    Therefore, Lopez decided to instead attempt a "knock and
    talk"2 entry onto the property.
    In the early afternoon of January 14, 2016, Lopez,
    Catalan, and Kibodeaux approached the gate in a truck.         They
    initially called the "deliveries" number several times, but nobody
    answered.    Lopez and Kibodeaux, on foot, then "stepped through the
    gate."     This required Kibodeaux and Lopez to "duck[] down" and
    pass between the top and middle bars forming the gate.        Lopez
    testified that this crossing was "like . . . [going] through a
    barbed wire fence."     When the district court asked Lopez about
    what appeared to be a gap "meant for people to pass through" -- a
    short length between the two sections of the gate that lacked a
    top bar -- Lopez clarified that the gap was not wide enough for
    2 "[T]he knock and talk rule permits the police to enter onto
    private land and knock on a citizen's door for legitimate police
    purposes, such as gathering information in an investigation,"
    without a warrant. Young v. Borders, 
    850 F.3d 1274
    , 1284 (11th
    Cir. 2017).
    - 7 -
    either agent. After crossing through, Kibodeaux and Lopez realized
    that, when pushed, the two gate sections could be separated far
    enough for Kibodeaux to fit through.      Catalan stayed behind and
    waited by the gate in his truck.
    Lopez and Kibodeaux walked down the driveway and knocked
    on the door to the primary residence (but not the secondary
    residence, where Smith resided), but nobody answered.        As the
    agents walked back to the driveway, they heard machinery operating
    behind the carport.   The agents then walked to the carport and saw
    two individuals: a male (later identified as Smith) and a female
    working in a pecan field behind the carport.   Lopez waved his arms
    to draw their attention and flagged Smith over.
    Neither the record nor the district court's decision
    indicate precisely where exactly Smith and the agents first met.
    It appears, however, that Lopez walked a few feet off the carport's
    concrete padding towards Smith, while Smith simultaneously walked
    towards Lopez.     Smith, Lopez, and Kibodeaux then moved to the
    driveway.
    At that point, Lopez identified himself as an HSI agent,
    and Kibodeaux as a Louisiana State Police investigator.       Lopez
    (falsely) told Smith that they were there to investigate potential
    illegal immigrants working at the farm.   Lopez also requested that
    Smith provide the gate code so that Catalan could drive the truck
    up the driveway and join them.      Smith provided Lopez the code,
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    which Catalan used to open the gate.    Catalan then drove the truck
    onto the driveway and parked near the carport.
    Soon afterwards, Lopez asked Smith for his driver's
    license and e-mail address.   Smith provided his license and the e-
    mail address "smittyb172@gmail.com," which had the same username
    as the account linked to the child pornography investigation, but
    had a different webmail provider.      Lopez then asked if Smith had
    an alternate e-mail address, and Smith provided the Yahoo Account
    address.   At that point, Lopez asked Smith if they could go into
    his residence to discuss additional matters, and Smith agreed.
    The woman who had been standing with Smith when the agents first
    saw him did not join them.
    Once inside the secondary residence, Lopez asked Smith
    whether he looked at pornography, to which Smith responded yes.
    Lopez then asked whether Smith had come across and downloaded child
    pornography, and Smith replied that he had accidentally downloaded
    it on several occasions.   Lopez then asked if the computer on which
    Smith downloaded the pornography was inside the residence.     Smith
    admitted it was, and stated that it was his practice to download
    the pornography and then move it into another folder to delete it.
    He further admitted that the computer still had child pornography
    files on it. Kibodeaux recalled that while Smith was "embarrassed"
    during this conversation, "[h]e was not resistant."
    - 9 -
    After Smith admitted to possessing child pornography,
    Lopez asked Smith if he would consent to a search of his computer.
    Lopez also read aloud a consent to search form.3     Smith demurred,
    asking what would happen if he refused to grant consent. Kibodeaux
    replied that it was his right to refuse consent, but that the
    3   The consent to search form is as follows:
    I, [name of person], have been asked to give
    my    consent   to    the    search   of    my
    computer/electronic equipment.    I have also
    been informed of my right to refuse to consent
    to such a search.
    I herbey [sic] authorize [law enforcement] to
    conduct at any time a complete search of all
    computer/electronic equipment located at [my
    address].       These   officers/agents    are
    authorized by me to take from the above
    location, any computer(s), including internal
    hard drive(s), floppy diskettes, CD's, DVD's,
    any   other   electronic    storage   devices,
    including but not limited to, personal digital
    assistants, cellular telephones, pagers.
    I hereby consent to the search of the
    aforementioned items for any data or material
    which is contraband or evidence of a crime. I
    understand that this contraband or evidence
    may be used against me in a court of law.
    This written permission is given by me
    voluntarily.   I have not been threatened,
    placed under duress or promised anything in
    exchange for my consent.    I have read this
    form, it has been read to me and I understand
    it. I understand the [English] language and
    have been able to communicate with the
    agents/officers.
    I understand that I may withdraw my consent at
    any time for any reason. I may also ask for
    a receipt for all items taken.
    - 10 -
    agents could detain the computer based on his admission that he
    had downloaded child pornography on it, and that they would apply
    for a warrant.   Although Smith did not sign the form at this time,
    he then verbally consented to the search.4
    When Kibodeaux went to retrieve the computer from the
    residence's second floor, she found two additional hard drives
    near the computer.    Kibodeaux brought both the laptop and hard
    drives downstairs.   At that point, Smith asked whether he should
    stop speaking with law enforcement, and the agents replied that he
    could stop the conversation at any time.         Smith then verbally
    consented to the search of the hard drives as well.         Kibodeaux
    recalled that Smith's "demeanor was the same throughout the entire
    interview[, both] outside and inside [his residence].         He was
    cordial and . . . cooperative [when] speaking with [the agents]."
    After seizing the computer and hard drives, Lopez filled
    out a property receipt for Smith.       Smith also signed the consent
    to search form that Lopez had read aloud earlier.       Lopez further
    asked whether Smith would come with the agents to the local HSI
    office, but Smith declined.    Before departing, however, Catalan
    and Kibodeaux noticed a picture of two young children on Smith's
    4 The record is unclear as to how Smith consented to the
    search. Kibodeaux and Lopez both simply testified that Smith had
    consented. However, because it is undisputed that Smith did not
    sign the consent to search form until a later point in time, we
    infer that Smith initially verbally consented.
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    refrigerator.     When the officers asked Smith about the children in
    the picture, Smith gave the officers their names and said that he
    was close with their family.         The events at the pecan farm took
    approximately forty-five minutes to unfold.
    Upon    returning   to     the    local   HSI   office,   Catalan
    attempted to access one of Smith's hard drives.            However, the hard
    drive was password-protected, so Lopez called Smith to obtain the
    password, which Smith voluntarily provided.          From that hard drive,
    Catalan retrieved several nude images of a young girl, later
    identified as the victim.       In addition, Catalan recovered six
    videos depicting Smith sexually assaulting the victim.               Catalan
    realized that the victim was one of the two children depicted in
    the picture on Smith's refrigerator.
    After finding the child pornography, Lopez and Kibodeaux
    developed a plan to have Smith come into the local state police
    station.   Lopez called Smith and told him that there was nothing
    found on his devices and that he could pick up the computer and
    hard drives at the station. Once Smith arrived, however, Kibodeaux
    and three other officers detained him and told him that he was not
    free to leave.    Kibodeaux brought Smith into an interview room and
    read him his Miranda rights.        Smith waived those rights only after
    asking several questions about them and having those questions
    answered by Kibodeaux.
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    Kibodeaux presented Smith with a still-shot photo from
    one of the videos.     She further asked about the sexual assault
    depicted in the videos.    Smith thereafter admitted to raping the
    victim and videotaping the assault on May 26, 2015.   On the basis
    of this admission, law enforcement agents obtained a search warrant
    for Smith's residence.    Agents further obtained an arrest warrant
    based on the videos.
    II.   Procedural Background
    On June 15, 2016, the government filed an indictment in
    the District of New Hampshire charging Smith with six counts of
    producing child pornography in violation of 
    18 U.S.C. § 2251
    (a).
    Each count corresponded to one of the videos Smith had produced on
    May 26, 2015.
    On August 25, 2016, Smith filed a motion to suppress the
    bulk of the prosecution's evidence, including the videos of the
    assault and inculpatory statements made to Kibodeaux.    He argued
    that law enforcement agents had violated his Fourth Amendment
    rights by entering the curtilage of his residence without a
    warrant, and that their unlawful entry and "show of force" coerced
    him into consenting to the seizure of his laptop and hard drives.
    He further insisted that statements made at his residence should
    be suppressed because he was not administered a Miranda warning
    beforehand and, additionally, that the information obtained was
    - 13 -
    fruit of the poisonous tree -- namely, the agents' entry onto the
    curtilage.
    The district court conducted an evidentiary hearing in
    two parts on February 3 and 22, 2017. After the hearing concluded,
    the district court orally denied the motion to suppress.5                       As
    relevant here, the district court (1) found that the agents' entry
    onto the pecan farm was not unlawful because the place where they
    first encountered Smith and obtained his consent to enter his
    residence was not curtilage; (2) credited the testimony of Lopez,
    Kibodeaux, and Catalan regarding the sequence of events inside the
    residence; and (3) found that Smith had knowingly and voluntarily
    waived his Miranda rights when he confessed to the sexual assault.
    A three-day trial was held in early April 2017.                   The
    jury, after a relatively short deliberation, returned a guilty
    verdict on all counts.            In competing sentencing memoranda, the
    parties disputed Smith's maximum possible sentence.                Specifically,
    Smith    argued   that     because   the   six   charges   stemmed     from    one
    continuous    assault,      the    prosecution   used    the   wrong    unit    of
    prosecution       and     the     "offenses    charged     . . .     merge     for
    sentencing[.]"          Therefore, he reasoned, the statutory maximum
    penalty should be thirty years -- the maximum penalty for a first-
    5 The district court later issued a written memorandum and
    order expounding on its reasoning on October 18, 2017.
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    time offender convicted of a single offense under Section 2251(a)
    -- rather than 180 years, or thirty years per conviction.
    The district court disagreed, noting that the videos had
    depicted at least two distinct sexual assaults.              Accordingly, it
    found that the maximum sentence that would not implicate the Double
    Jeopardy Clause was at least sixty years.            It expressly declined
    to   address     Smith's   argument    concerning    the     proper    unit    of
    prosecution     under   Section   2251(a),   but    stated    that     it   found
    opinions from other circuits holding that the proper unit was each
    visual depiction of the minor to be persuasive.                It ultimately
    sentenced Smith to a term of imprisonment of thirty years on counts
    one through five, to be served concurrently.                In addition, the
    court sentenced Smith to a term of imprisonment of thirty years on
    count   six,    which   corresponded    to   a   video     depicting    vaginal
    penetration.         As to that count, ten years was to be served
    concurrently with counts one through five, and the remaining twenty
    years was to be served consecutively.            Thus, the total sentence
    imposed was fifty years.       This timely appeal followed.
    III. Suppression Motion Analysis
    "In reviewing the denial of a motion to suppress, [this]
    court accepts the district court's 'factual findings to the extent
    they    are    not   clearly   erroneous,'   and    'review[s]       its    legal
    conclusions de novo.'"         United States v. Davis, 
    909 F.3d 9
    , 16
    - 15 -
    (1st Cir. 2018) (quoting United States v. Sanchez, 
    612 F.3d 1
    , 4
    (1st Cir. 2010)) (second alteration in original).
    In   his   brief,   Smith    makes       two    primary     arguments
    concerning the motion to suppress.               First, he contends that law
    enforcement agents violated his Fourth Amendment rights when they
    entered the curtilage of his home to locate him.                Specifically, he
    argues that the locked gate and the driveway through which the
    agents     entered   the   farm   were    part    of   the     curtilage    of   his
    residence, and that the locked gate at the entrance to the farm
    revoked any implied license of entry.6              Second, he contends that
    the       constitutional    violation,      coupled          with   the     agents'
    misrepresentations, were sufficiently coercive as to taint his
    consent to the search.        We need not resolve the legality of the
    agents' entrance onto the pecan farm, their knocking on the door
    6All persons, whether law enforcement agents or private
    citizens, have an implied license to enter property and knock on
    a homeowner's door.     See Kentucky v. King, 
    563 U.S. 452
    , 469
    (2011). "However, the scope of [the] license . . . is limited not
    only to a particular area but also to a specific purpose." United
    States v. Bain, 
    874 F.3d 1
    , 12-13 (1st Cir. 2017) (quotation marks,
    alteration, and citation omitted). Moreover, the occupant "has no
    obligation to open the door or to speak." King, 
    563 U.S. at
    469-
    70. While this court and the Supreme Court have never specified
    that a homeowner may revoke the implied license of entry in the
    context of the Fourth Amendment, several other circuit courts have
    held so where the homeowner takes steps such that a reasonable
    member of the public would conclude that he was not welcome on the
    property. See, e.g., United States v. Carloss, 
    818 F.3d 988
    , 994-
    95 (10th Cir. 2016). Although we are skeptical that the implied
    license of entry could be irrevocable, we do not resolve this
    question today, as we assume arguendo that the locked gate revoked
    the implied license of entry.
    - 16 -
    of the primary residence, or their presence on the part of the
    farm where they first encountered Smith because, even assuming
    that there was a constitutional violation, Smith's subsequent
    consent was voluntary and not tainted.          See Illinois v. Rodriguez,
    
    497 U.S. 177
    , 181 (1990) (stating that the Fourth Amendment's
    prohibition    on     warrantless    searches     is   inapplicable    where
    voluntary consent has been obtained).
    A.     Whether the Consent Was Tainted
    A defendant's consent to a search may be invalidated if
    it "bear[s] a sufficiently close relationship to the underlying
    illegality."    United States v. Delgado-Pérez, 
    867 F.3d 244
    , 256
    (1st Cir. 2017) (quotation marks and citation omitted).                  To
    determine whether there was a sufficient nexus between the illegal
    act and the defendant's consent, this court considers the factors
    enumerated by the Supreme Court in Brown v. Illinois, 
    422 U.S. 590
    (1975).   Delgado-Pérez, 867 F.3d at 257.          Those factors are: (1)
    "temporal proximity" between the illegal act and the consent, (2)
    "the presence of intervening circumstances," and (3) "the purpose
    and flagrancy of the official misconduct."             Brown, 
    422 U.S. at 603-04
    .   "And, where, as here, an earlier unlawful search is
    alleged to have tainted consent that is given later, we have
    'emphasized    the    importance    of   determining   whether   the   prior
    illegality significantly influenced or played a significant role
    in the subsequent consent.'"             Delgado-Pérez, 867 F.3d at 257
    - 17 -
    (quoting United States v. Cordero-Rosario, 
    786 F.3d 64
    , 76 (1st
    Cir. 2015) (internal quotation marks omitted)).
    1.      Temporal Proximity
    "There is no bright-line rule defining the temporal
    factor. But, if the period of time is extremely short, this factor
    weighs in favor of exclusion.           By contrast, a longer interval
    obviously weighs in favor of admissibility."              United States v.
    Delancy, 
    502 F.3d 1297
    , 1310 (11th Cir. 2007) (internal citations
    omitted).    Smith contends that he consented to the search of his
    computer and hard drives within approximately twenty minutes of
    the agents' arrival.         On that basis alone, he argues that "the
    temporal proximity factor weighs heavily in favor of finding no
    attenuation."
    It   is   unclear    from   the   record   exactly   when    Smith
    consented to the search of his computer and hard drives.                In the
    intervening time from when law enforcement first approached Smith
    and when consent was given, the agents and Smith talked briefly
    outside the carport, walked to the secondary residence, and had a
    conservation inside that residence in which Smith admitted to
    possessing child pornography.        Presumably, this sequence of events
    took, at minimum, several minutes to unfold. At least two circuits
    have suggested that this length of time can constitute sufficient
    attenuation.     See United States v. Whisenton, 
    765 F.3d 938
    , 942
    (8th Cir. 2014) ("[F]ifteen minutes is sufficient to demonstrate
    - 18 -
    an attenuation of the illegality."); United States v. Myers, 
    335 F. App'x 936
    , 939 (11th Cir. 2009) (unpublished per curiam opinion)
    (finding ten minutes sufficient attenuation where, as here, the
    defendant was not handcuffed or detained and law enforcement agents
    were polite and non-threatening). Because the district court never
    made a finding concerning the amount of time that had elapsed, we
    are limited in our ability to analyze this factor.             However, we
    need not definitively resolve this issue because "[o]n these facts
    . . . timing is not the most important factor."          Delancy, 
    502 F.3d at 1311
    .
    2.     Intervening Circumstances
    We turn then to intervening circumstances, "or events
    that interrupt the causal connection between the illegal act and
    the possibly tainted consent or confession."            
    Id.
     (citing Brown,
    
    422 U.S. at 611
     (Powell, J., concurring in part)).            "The presence
    of   intervening    circumstances     that    provide   the   defendant   an
    opportunity to pause and reflect, to decline consent, or to revoke
    consent help demonstrate that the illegality was attenuated."
    Whisenton, 765 F.3d at 942 (internal quotation marks and citation
    omitted).
    Here,     there     was      an      important      intervening
    circumstance -- namely Agent Lopez's recitation of the consent to
    search form. After the recitation, Smith did not immediately grant
    consent to search his computer and hard drives; instead, he asked
    - 19 -
    about the consequences of refusing consent.   Kibodeaux accurately
    replied that while Smith could refuse consent, the agents could
    detain the computer based on his admission that it contained child
    pornography while they applied for a warrant.   This clearly shows
    that Smith was given "an opportunity to pause and reflect" and
    that he was cognizant of the importance of consent.     Whisenton,
    765 F.3d at 942; (internal quotation marks and citation omitted)
    cf. also United States v. Stark, 
    499 F.3d 72
    , 77 (1st Cir. 2007)
    (finding that defendant's third confession at new time and location
    constituted an intervening event).     Although Smith did not sign
    the consent to search form until after the officers had seized his
    computer and hard drives and the search was completed, that does
    not alter our conclusion that he was, or should have been, fully
    aware of his constitutional rights at the time of his granting
    consent.   See Delancy, 
    502 F.3d at 1311-12
    .     Accordingly, this
    factor weighs in the government's favor.   See id.
    3.   Purpose and Flagrancy of the Misconduct
    Finally, we consider the third factor: "the purpose and
    flagrancy of the official misconduct in question."          Cordero-
    Rosario, 786 F.3d at 76 (citing Brown, 
    422 U.S. at 603-04
    ).      We
    have stated that this factor "is the most important part of the
    analysis 'because it is tied directly to the rationale underlying
    the exclusionary rule, deterrence of police misconduct.'"    Stark,
    
    499 F.3d at 77
     (quoting United States v. Reed, 
    349 F.3d 457
    , 464-
    - 20 -
    65 (7th Cir. 2003)).    "In analyzing this factor, courts look to
    see whether: (a) the police used threatening or abusive tactics;
    (b) the 'impropriety of the [initial misconduct] was obvious'; and
    (c) the initial search was a mere evidence expedition calculated
    to elicit a confession."   
    Id.
     (quoting Brown, 
    422 U.S. at 605
    ).
    Here, there is no evidence that law enforcement used
    threatening or abusive tactics to obtain Smith's consent to search
    the computer and hard drives.     The agents' conduct is a far cry
    from the extreme tactics the Supreme Court deemed coercive in Brown
    and Wong Sun v. United States, 
    371 U.S. 471
     (1963).     In Brown, two
    officers broke into and searched the defendant's apartment without
    probable cause.   
    422 U.S. at 593
    .      When the defendant returned,
    the officers held him at gunpoint and arrested him merely for
    "questioning" or "investigation."    
    Id. at 605
    .   Similarly, in Wong
    Sun, six or seven officers broke into a defendant's residence and
    arrested him without probable cause.       
    371 U.S. at 473-74
    .     In
    addition, one officer had pointed a pistol at him.       See 
    id.
       By
    contrast, the record in this case shows that the agents were
    professional and polite throughout their interactions with Smith.
    The agents did not enter Smith's home or the area immediately
    surrounding it within the privacy fence until Smith expressly
    granted consent to do so, and Smith was not arrested until he later
    confessed at the local police station to filming and committing
    the sexual assault.    In a similar vein, there is no evidence that
    - 21 -
    the agents' entry onto the farm was a mere fishing expedition to
    elicit a confession.
    More importantly, however, the alleged illegality of the
    agents' entry onto the farm was far from obvious.               "The Fourth
    Amendment provides in relevant part that the 'right of the people
    to be secure in their persons, houses, papers, and effects, against
    unreasonable   searches   and   seizures,   shall   not    be   violated.'"
    Florida v. Jardines, 
    569 U.S. 1
    , 5 (2013) (quoting U.S. Const.
    amend. IV).    However, the Fourth Amendment does not "prevent all
    investigations conducted on private property."       
    Id. at 6
    .      Rather,
    at its "very core" it protects the home and its curtilage, or the
    area "immediately surrounding and associated with the home."            
    Id. at 6
    .   By contrast, as a general matter, the Fourth Amendment does
    not prohibit government intrusion into activities occurring in
    "open fields."    Oliver v. United States, 
    466 U.S. 170
    , 179-82
    (1984).
    The Supreme Court has provided a four-part test to
    determine whether an area is part of the curtilage.         Those factors
    are: (1) "the proximity of the area claimed to be curtilage to the
    home"; (2) "whether the area is included within an enclosure
    surrounding the home"; (3) "the nature of the uses to which the
    area is put"; and (4) "the steps taken by the resident to protect
    the area from observation by people passing by."          United States v.
    Dunn, 
    480 U.S. 294
    , 301 (1987).
    - 22 -
    As discussed earlier, the site of the agents' initial
    encounter with Smith was somewhere on or near the driveway behind
    the carport in an area adjacent to a pecan field.               It appears from
    the record that this location was, at minimum, some distance away
    from Smith's home.       It was not enclosed by the solid wood privacy
    fence surrounding the residences.            And, given that Smith was
    working in a pecan field when the agents first encountered him,
    the area was "not being used for intimate activities of the home."
    
    Id. at 302
    .       We need not, and do not purport to, decide whether
    that area, or the part of the driveway where the agents first
    entered the farm, was part of the curtilage.             However, given these
    considerations, even assuming that this location was part of the
    curtilage    to    Smith's    residence,     it    was    not    clearly    so.7
    Accordingly,      the   agents'   entry   cannot   be    characterized     as   a
    7 The only area the agents approached that was clearly
    curtilage was the front door to the primary residence. See, e.g.,
    Jardines, 
    569 U.S. at 7
     ("The front porch is the classic exemplar
    of an area adjacent to the home and to which the activity of home
    life extends." (internal quotation marks and citation omitted)).
    We note, however, that Smith did not live in that residence and
    does not claim to have conducted any activities there. Thus, from
    this record it appears that the front porch was not curtilage as
    to Smith and that he may not contest the agents' entry there. Cf.
    United States v. Stokes, 
    829 F.3d 47
    , 51 (1st Cir. 2016) (stating
    that "the defendant carries the burden of making a threshold
    showing that he has a reasonable expectation of privacy in the
    area searched and in relation to the items seized." (internal
    quotation marks and citations omitted)); Bain, 874 F.3d at 13
    (discussing generally who may contest governmental property
    invasions and noting that an "overnight guest" can contest a search
    of the home). Again, however, we need not reach that issue.
    - 23 -
    purposeful and flagrant violation of Smith's Fourth Amendment
    rights.    See Cordero-Rosario, 786 F.3d at 76.
    Weighing the three Brown factors as a whole, even if one
    were to assume that the agents' initial entry onto the pecan farm
    or their knocking on the door of the primary residence on the farm
    was unlawful, we find that it did not taint Smith's later consent
    to the search of his computer and hard drives.
    B.   Voluntariness
    In his brief, Smith separately attacks the district
    court's determination that his consent and statements made to law
    enforcement agents in the residence were voluntarily given.           "The
    determination of voluntariness 'turns on an assessment of the
    totality of the circumstances.'"           United States v. Forbes, 
    181 F.3d 1
    , 5 (1st Cir. 1999) (quoting United States v. Barnett, 
    989 F.2d 546
    , 554-55 (1st Cir. 1993)).            "We review [the district
    court's]   determination   that    consent    was   voluntary   for   clear
    error."    
    Id.
     (citing Barnett, 
    989 F.2d at 556
    ).
    Smith first claims that the "most prominent coercive
    tactic in this case was the agents' surprise unlawful entry to the
    property."    Specifically, he faults the agents for failing to
    contact him by phone on the day of the search and not exploring
    less intrusive means of obtaining consent to enter the farm or
    search his computer and hard drives.          However, that argument is
    belied by the record. The agents did in fact call the "deliveries"
    - 24 -
    number several times, but nobody answered.               There is no evidence
    to suggest that their subsequent entry was anything but a faithful
    attempt to conduct a "knock and talk," which multiple federal
    appellate courts have found to be a "reasonable investigative
    tool."    United States v. Jones, 
    239 F.3d 716
    , 720 (5th Cir. 2001);
    see also United States v. Cruz-Mendez, 
    467 F.3d 1260
    , 1264-65 (10th
    Cir. 2006); United States v. Thomas, 
    430 F.3d 274
    , 277 (6th Cir.
    2005).    And, as explained earlier, even assuming arguendo that the
    gate revoked the implied license of entry and that the entry onto
    the front steps of the primary residence was problematic, any
    resulting    Fourth     Amendment    violation    did    not   affect   Smith's
    subsequent grant of consent to enter his home or search his
    computer and hard drives.
    Smith also complains that the agents used a ruse -- Agent
    Lopez's    admittedly    false   statement    that      he   was   investigating
    possible    illegal     immigrants    --   when   first      approaching   him.
    However, this court has stated that law enforcement is permitted
    to engage in basic "manipulative behavior," such as "insincere
    friendliness which successfully induces a criminal suspect to
    willingly answer questions and/or consent to a search," so long as
    it does not impact the defendant's voluntary relinquishment of a
    right.     United States v. Hornbecker, 
    316 F.3d 40
    , 49 (1st Cir.
    2003); cf. also United States v. Hughes, 
    640 F.3d 428
    , 439 (1st
    Cir. 2011) ("[S]ome degree of deception [by law enforcement] during
    - 25 -
    the questioning of a suspect is permissible.").                   Here, Agent
    Lopez's minor deception at most helped facilitate a conversation
    with Smith.    After Smith had invited the agents into his home,
    Lopez dispensed with the facade.          By the time Smith was asked to
    consent to the search of the computer and hard drives, he was aware
    of the true reason for the agents' visit and their reasons for
    seeking to search his computer.            Therefore, we agree with the
    district    court    that     the    "immigrant    worker     ruse"    is    not
    constitutionally offensive.
    In his brief, Smith also takes issue with Kibodeaux's
    statement that the agents could seize the computer regardless of
    whether he consented.        As noted above, Kibodeaux represented that
    law   enforcement    could    detain    the    computer   based   on   Smith's
    admission   that    it   contained     child   pornography.       It   is   well
    established that the threat of destruction of evidence is an
    exigent circumstance that permits law enforcement to conduct a
    warrantless seizure of property.           See United States v. Almonte-
    Baez, 
    857 F.3d 27
    , 33 (1st Cir. 2017).          Given the possibility that
    Smith would seek to wipe the child pornography from his computer
    and hard drives in the agents' absence, Kibodeaux's statement was
    correct.    See id.; accord United States v. Bradley, 
    488 F. App'x 99
    , 103 (6th Cir. 2012) (unpublished); United States v. Vallimont,
    
    378 F. App'x 972
    , 974 (11th Cir. 2010) (unpublished).              Therefore,
    the statement does not invalidate the voluntariness of Smith's
    - 26 -
    consent.      See United States v. Vazquez, 
    724 F.3d 15
    , 22 (1st Cir.
    2013) ("[T]he law is . . . clear that consent to a search is not
    invalid merely because it is secured by an officer's accurate
    assurance      that    there      will    soon     be    a     lawful   search      anyway."
    (citations omitted)).
    To get around this, Smith notes that the Supreme Court
    has stated that law enforcement cannot "create the exigency by
    engaging or threatening to engage in conduct that violates the
    Fourth Amendment."          King, 
    563 U.S. at 462
    .                  He argues that the
    only reason he would have sought to delete the pornography was
    because of the agents' illegal entry onto the property. From this,
    he reasons that "all evidence obtained as a result of [his]
    purported      consent,     including        the        videos    and       his   subsequent
    [confession], should have been suppressed."                        However, "exclusion
    may    not    be    premised   on    the    mere        fact    that    a    constitutional
    violation was a 'but-for' cause of obtaining evidence."                             Hudson v.
    Michigan, 
    547 U.S. 586
    , 592 (2006); see also Garcia-Aguilar v.
    Lynch, 
    806 F.3d 671
    , 675 (1st Cir. 2015).                          Rather, "there also
    must be some indication that government actors took advantage of
    the initial illegality to obtain the challenged evidence." Garcia-
    Aguilar, 806 F.3d at 675 (citing Wong Sun, 
    371 U.S. at 488
    ).                             For
    largely the same reasons given in the previous section, we find
    that    the        agents   did     not     take        advantage       of    the    alleged
    - 27 -
    constitutional violation to obtain his consent to search the
    computer and hard drives.
    Accordingly, we find no error with the district court's
    determination that Smith's consent to enter his home and search
    his computer and hard drives was voluntary.
    IV.    Sentencing Claim Analysis
    We now turn to Smith's challenge to his fifty-year
    sentence.       On appeal, Smith contends that his maximum sentence
    should have been thirty years, the maximum penalty for a single
    violation of Section 2251, because all six convictions stemmed
    from a "single episode, at the same place within a short period of
    time with the same perpetrator and victim."           In other words, he
    argues that the government used the wrong unit of prosecution such
    that his convictions were multiplicitous.
    A    prosecution   is   multiplicitous   when   it   charges   a
    defendant more than once "for what is essentially a single crime."
    United States v. Chiaradio, 
    684 F.3d 265
    , 272 (1st Cir. 2012).
    "The prohibition against multiplicitous prosecution derives from
    the Double Jeopardy Clause," which bars multiple punishments for
    the same offense.      United States v. Gordon, 
    875 F.3d 26
    , 32 (1st
    Cir. 2017) (citations omitted).        When a defendant levies a claim
    of multiplicity, a court "must determine whether there is a
    sufficient factual basis to treat each count as separate."             
    Id.
    (quoting United States v. Stefanidakis, 
    678 F.3d 96
    , 100-01 (1st
    - 28 -
    Cir.   2012))   (internal    quotation      marks    omitted).        Such   a
    determination "depends on whether Congress intended to punish
    separately each of the alleged violations."           
    Id.
     (citing Jeffers
    v. United States, 
    432 U.S. 137
    , 155 (1977) (plurality opinion)).
    Because this issue turns on a question of statutory interpretation,
    our review is de novo.      
    Id.
    In    support,    Smith   notes     that    the   federal     child
    pornography statute states as follows:
    Any person who employs, uses, persuades,
    induces, entices, or coerces any minor to
    engage in . . . any sexually explicit conduct
    for the purpose of producing any visual
    depiction of such conduct or for the purpose
    of transmitting a live visual depiction of
    such conduct, shall be punished as provided
    under subsection (e).
    
    18 U.S.C. § 2251
    (a) (emphasis added).        He reasons that the videos
    depicted one continuous "use" of the victim, such that all six
    convictions should have merged for sentencing purposes.
    The district court rejected this argument at sentencing,
    noting that multiple federal appellate courts have held that the
    proper unit of prosecution of Section 2251 was each image or video
    depicting the child, not each "use" of the child.             The district
    court also found that there were at least two discrete acts
    depicted in the videos.      The court further noted that while the
    videos, each of which was approximately one minute long, were
    produced in a single session, their production took place over one
    - 29 -
    hour and were interspersed.            Therefore, the court concluded that
    a sentence of fifty years was constitutionally permissible.8
    We agree with the reasoning of the district court. Here,
    Smith produced six separate videos over the course of an hour,
    each made at a different time and depicting a discrete sexual act.
    Section 2251 criminalizes the use of a "minor to engage in, any
    sexually explicit conduct for the purpose of producing any visual
    depiction of such conduct."           
    18 U.S.C. § 2251
    (a) (emphasis added).
    "The       fact    that   multiple   [videos]   may   have   been   sequentially
    produced during a single . . . session is irrelevant. Each [video]
    depended upon a separate and distinct use of the children." United
    States v. Esch, 
    832 F.2d 531
    , 542 (10th Cir. 1987); see also United
    States v. Tashbrook, 
    144 F. App'x 610
    , 614-15 (9th Cir. 2005)
    (unpublished). Thus, on the facts presented here, the six separate
    counts were not multiplicitous.
    In his brief, Smith also argues that Section 2251 is
    unconstitutionally ambiguous.             He relies on United States v.
    Verrecchia, 
    196 F.3d 294
     (1st Cir. 1999), in which this court held
    that the simultaneous possession of multiple firearms by a felon
    constituted a single violation of the felon-in-possession statute,
    
    18 U.S.C. § 922
    (g)(1).           
    Id. at 298
    .    In doing so, it stated that
    8
    Again, the court imposed a thirty-year sentence on counts
    one through five, to be served concurrently, and a separate thirty-
    year sentence on count six, with twenty years to be served
    consecutively.
    - 30 -
    where the punishment for a federal offense is ambiguous, the doubt
    is "resolved against turning a single transaction into multiple
    offenses."     
    Id.
     (citing Bell v. United States, 
    349 U.S. 81
    , 84
    (1955)).     Smith argues that the word "any" renders Section 2251(a)
    similarly ambiguous because it "could be found to mean either a
    single instance of producing multiple images, or the many different
    images themselves."
    However, we see no ambiguity in Section 2251, nor does
    the   sole   case    that   Smith   cites   for     the   proposition      that   an
    ambiguity exists support his claim. In United States v. Coutentos,
    No. 09-cr-60-LRR, 
    2009 WL 4730180
     (N.D. Iowa Dec. 3, 2009), the
    defendant had produced a single pornographic video depicting two
    children. The government brought two counts under Section 2251(a),
    and the defendant moved to strike one of the two counts.                    
    Id. at *1
    .   The district court granted the motion, explaining that the
    indictment     was    multiplicitous     because      there     was   "a    single
    production of a single video."         
    Id. at *2
    .         Because Section 2251
    is ambiguous as to whether "each minor can serve as a unit of
    prosecution," the court applied the rule of lenity in favor of the
    defendant.      
    Id.
         By   contrast,      here,   Smith     was   charged   with
    producing six separate videos.           Accordingly, Coutentos, whether
    rightly or wrongly decided, does nothing to undermine our holding
    today.
    - 31 -
    V.   Conclusion
    For the foregoing reasons, the district court's denial
    of the motion to suppress and the sentence that it imposed are
    AFFIRMED.
    - 32 -