United States v. Vazquez , 724 F.3d 15 ( 2013 )


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  •           United States Court of Appeals
    For the First Circuit
    No. 12-1203
    UNITED STATES OF AMERICA,
    Appellee,
    v.
    KATHY VÁZQUEZ,
    Defendant, Appellant.
    APPEAL FROM THE UNITED STATES DISTRICT COURT
    FOR THE DISTRICT OF NEW HAMPSHIRE
    [Hon. Steven J. McAuliffe, U.S. District Judge]
    Before
    Torruella, Thompson and Kayatta,
    Circuit Judges.
    Allison J. Koury, by appointment of the court, for appellant.
    Seth R. Aframe, Assistant United States Attorney, with whom
    John P. Kacavas, United States Attorney, was on brief for appellee.
    July 18, 2013
    KAYATTA, Circuit Judge. Kathy Vázquez sold crack cocaine
    to a confidential informant.   A police search of her home later
    turned up powder cocaine, cash, and drug-dealing paraphernalia.
    Based on this evidence, Vázquez was convicted of three drug-related
    offenses and sentenced to 78 months' imprisonment.
    On appeal, Vázquez challenges three different steps in
    the process that brought her to a prison cell.     First, she claims
    that her consent to the FBI's warrantless search of her home was
    secured by a false claim that a lawful, warrantless search of her
    home would ensue without her consent, rendering the evidence
    discovered through that search inadmissible at trial.    Second, she
    argues that the district court should have instructed the jury on
    the defense of duress.    Finally, she asserts that the district
    court miscalculated her sentence under the United States Sentencing
    Guidelines by assigning her responsibility for too much crack
    cocaine, as well as for a gun possessed by her co-conspirator
    before the beginning of the charged conspiracy.
    We find that the district court erred in failing to
    determine whether there were reasonable grounds to support the
    claim made to Vázquez that a lawful, warrantless search of her home
    would ensue without her consent.      Otherwise, we reject Vázquez's
    arguments on appeal.   As explained more fully below, we therefore
    affirm Vázquez's conviction on two of the three offenses, vacate
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    her conviction on the third, and remand the case for further
    proceedings consistent with this opinion.
    I. Background
    In the fall of 2007, the Federal Bureau of Investigation
    received a tip from a confidential informant that Vázquez and her
    boyfriend, Bernado "Junito" Soto, were involved in the distribution
    of illegal drugs.    On December 5, 2007, the FBI arranged for that
    informant to make a controlled buy of crack cocaine from Vázquez
    and Soto.    The informant phoned Vázquez and agreed to meet her
    inside a local Walgreens to purchase 14 grams of crack cocaine from
    her, pre-bagged for resale.     The sale occurred as planned, while
    Soto waited outside.    After Vázquez and the informant exited the
    store together, the informant spoke to Soto for a few minutes about
    what Soto wanted done with a gun that he had previously loaned to
    the informant's boyfriend.
    The next day, the informant made a second controlled buy
    of another 14 grams of crack cocaine from Vázquez and Soto, this
    time at Vázquez's home. The three chatted about various aspects of
    their drug dealing activities, including a scheme to smuggle liquid
    cocaine from the Dominican Republic into the United States.
    The last controlled buy was supposed to occur on January
    16, 2008.    The informant again visited Vázquez's home, seeking to
    purchase crack cocaine, but this time Vázquez and Soto told her
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    that they only had powder cocaine in stock and that it was not good
    for cooking into crack.
    Later that same day, New Hampshire Probation and Parole,
    working in coordination with the FBI, arrested Soto on a parole
    violation in a parking lot near a gym in Nashua.           Thereupon, the
    FBI sought and received Vázquez's permission to search her home,
    where Soto had been staying. The search turned up two plastic bags
    of powder cocaine; a number of unused plastic bags; approximately
    $4,620 in cash; a Western Union receipt dated three days prior
    indicating that Vázquez had sent money to the Dominican Republic;
    a digital scale; two kinds of cutting agent used to prepare cocaine
    for sale; and a filter for cutting cocaine.
    Vázquez   was   subsequently    indicted   on    four   separate
    counts: (I) Conspiracy to Distribute Cocaine and Cocaine Base
    (crack) beginning on December 5, 2007, and continuing through
    January 16, 2008; (II) Distribution of Cocaine Base on December 5,
    2007; (III) Distribution of Cocaine Base on December 6, 2007; and
    (IV) Possession of Cocaine with Intent to Distribute on January 16,
    2008.   See 
    21 U.S.C. § 841
    (a)(1) & 846 (2006).           Prior to trial,
    Vázquez moved to suppress the evidence seized in the search of her
    home, pressing the argument that her consent had been secured by a
    false claim of authority to search.      After an evidentiary hearing,
    the district court denied her motion to suppress.            Vázquez was
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    ultimately convicted on the first, third, and fourth counts, and
    was acquitted on the second count.
    At sentencing, the district court calculated Vázquez's
    recommended sentence under the United States Sentencing Guidelines
    by attributing to her approximately 100 grams of crack cocaine,
    which gave her a base offense level of 26.               See U.S.S.G. §
    2D1.1(c)(6).      The court also found that a firearm was possessed in
    connection with the charged conspiracy and accordingly enhanced
    Vázquez's base offense level by two, raising it to 28.         See id. at
    § 2D1.1(b)(1).       In combination with Vázquez's criminal history
    category of I, these findings yielded a recommended sentence of 78
    to 97 months.      The court sentenced Vázquez to a 78-month term of
    imprisonment.
    II. Analysis
    A.   The Search of Vázquez's Home
    The    Fourth   Amendment   forbids   law   enforcement   from
    searching    a suspect's home without a warrant unless the search
    falls under "one of the 'few specifically established and well-
    delineated exceptions' to the warrant requirement."         United States
    v. Forbes, 
    181 F.3d 1
    , 5 (1st Cir. 1999) (quoting Schneckloth v.
    Bustamonte, 
    412 U.S. 218
    , 219 (1973)).        Consent to the search is
    one such exception.      See 
    id.
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    For consent to a search to be valid, however, the
    government must prove by a preponderance of the evidence that the
    consent was uncoerced.           See United States v. Vanvliet, 
    542 F.3d 259
    , 264 (1st Cir. 2008).          The presence of coercion is a question
    of fact based on the totality of the circumstances, including "the
    consenting party's knowledge of the right to refuse consent; the
    consenting     party's       possibly    vulnerable    subjective       state;   and
    evidence of inherently coercive tactics, either in the nature of
    police questioning or in the environment in which the questioning
    took place."        United States v. Twomey, 
    884 F.2d 46
    , 51 (1st Cir.
    1989)   (citing       Schneckloth,       
    412 U.S. at 227, 229, 247
    )).
    Importantly, courts must also consider "any evidence that law
    enforcement officers' ... misrepresentation prompted defendant's
    acquiescence to the search."            Vanvliet, 
    542 F.3d at
    264-65 (citing
    Moran v. Burbine, 
    475 U.S. 412
    , 421 (1986)).
    As we will explain, this is a case in which the record is
    clear   that    a    representation       by   the    FBI    prompted       Vázquez's
    acquiescence    to     the    search.      Specifically,      the     FBI    obtained
    Vázquez's    consent     to    search    her   home   by    telling    her    that   a
    warrantless search of her home would be conducted without her
    consent.    The central questions thus posed for the district court
    were whether the representation was correct and, if not, whether
    the consent was invalid and the search unlawful.                      In answering
    these rather difficult questions, the district court found itself
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    unable to determine whether the representation used to procure
    Vázquez's consent was false.   Nevertheless, the court ruled that,
    as long as the FBI agents acted in "subjective good faith" in
    claiming that a warrantless search could be conducted without
    Vázquez's consent, her consent validated the search.
    On appeal from that ruling, we review the district
    court's conclusions of law de novo and its findings of fact for
    clear error.   See Ornelas v. United States, 
    517 U.S. 690
    , 696-98
    (1996).   In so doing, we find that reasonableness, rather than
    subjective good faith, is the controlling legal standard; consent
    procured by a claim that a search will ensue anyhow is valid only
    if the claim is based on a reasonable assessment of the facts under
    the applicable law.   Because the district court did not determine
    whether the FBI agents' representation was correct based on a
    reasonable assessment of the facts, because the record does not
    dictate an answer to this question, and because admission of the
    results of the search at trial was not harmless as to Count IV,
    remand is required.   Our reasoning follows.
    1.   Procuring Vázquez's Consent
    Once Soto was arrested, two FBI agents dressed in plain
    clothes approached Vázquez, identified themselves, and asked if she
    would have a cup of coffee with them at a nearby Dunkin' Donuts.
    Neither agent displayed firearms or handcuffs, touched Vázquez, or
    -7-
    told her that she was under arrest.              Vázquez agreed to join them
    for coffee.
    Inside the Dunkin' Donuts, the agents ordered Vázquez a
    cup of coffee and allowed her to use the restroom unescorted while
    they secured a table.             Vázquez later joined the agents at the
    table.      She did not appear upset or unsettled.          One of the agents
    asked       Vázquez   for   her    cooperation     in   their   investigation,
    explaining that Soto had been arrested for a parole violation.
    As it became clear that Vázquez was not willing to
    cooperate with the investigation, the agents changed tack and
    attempted to obtain Vázquez's consent to a search of her home.
    Vázquez asked the FBI agents if they had a search warrant for her
    home.       In response, they told her that, while they did not have a
    warrant, New Hampshire Probation and Parole had the authority to
    search her home without her consent, and was going to do so.              The
    agents based that assertion on information communicated to them by
    New Hampshire Probation and Parole, which had informed the FBI
    earlier in the day that it intended to search Soto's residence--
    assumed to be the same as Vázquez's--after his arrest.1
    1
    The government's brief claims that the FBI agents "merely
    provided the defendant with truthful information that another law
    enforcement agency believed that it had the right to search on a
    ground other than consent." Says the government, "Special Agent
    Schneider made no statement suggesting his own view on this
    authority." Special Agent Schneider, however, testified flatly to
    the contrary: "I'm sure I told her that probation and parole has
    the authority to conduct a search at that residence." In a similar
    -8-
    The FBI agents explained to Vázquez that if she consented
    to an authorized search, she could help the agents to separate her
    property from Soto's and thereby distance herself from his illegal
    activities.      Vázquez expressed concern that the search might make
    a mess of her house, and asked a few other questions about the
    process.    After the officers explained to her how the search would
    proceed, and then reviewed with her a written consent form, she
    signed     the    form   granting     consent        to   search    her    home.
    The entire conversation in the Dunkin' Donuts lasted
    between 15 and 20 minutes.          Having obtained Vázquez's consent, the
    FBI   agents     drove   to   her   home,    where    they   met   New    Hampshire
    Probation and Parole officers.          Together, the agents and officers
    jointly searched the premises, discovering the evidence described
    above.
    Three aspects of the discussion between the FBI agents
    and Vázquez are especially pertinent. First, nothing in the record
    can be reasonably understood to suggest that Vázquez would have
    consented to the search but for the agents' assertion that a search
    by New Hampshire Probation and Parole would ensue anyway.                   Having
    first refused to cooperate generally, her initial response to the
    agents' request for consent to search was to ask if there was
    vein, the government suggests that the agents merely allowed that
    a search without consent was "likely."     As the district court
    expressly found, however, the agents told Vazquez "that the state
    had the authority to search and in fact were going to search."
    -9-
    already a warrant; i.e., whether a search was going to happen
    either way. She only consented to the search after she was assured
    that a search was inevitably going to occur, even without a
    warrant; i.e., there was no possible upside to refusing consent.
    Second, while the agents' confident and professional behavior
    likely enhanced the credibility of any assurances they conveyed,
    nothing in the record suggests that what they said or did was
    otherwise coercive or in any way inappropriate. Third, there is no
    basis        for   reversing   as   clear     error   the   district     court's
    determination that the agents honestly believed that New Hampshire
    Probation and Parole officers could conduct a lawful search without
    Vázquez's consent.
    2.     New Hampshire Probation and Parole's Authority to Search
    Vázquez's Home
    On appeal, the government correctly observes that, if New
    Hampshire Probation and Parole did indeed have the right to conduct
    the search of Vázquez's home without her consent, then the issue of
    her consent would be moot.          That is so because the consent secured
    no earlier or broader search than could have been conducted
    lawfully were the claim of authority correct.               Building on this
    observation,        the   government   then    claims   that   Vázquez    never
    challenged the independent authority of New Hampshire Probation and
    Parole to conduct the search.          Therefore, reasons the government,
    we can affirm the denial of the motion to suppress on that
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    alternative ground, rendering the consent issue effectively moot.
    The flaw in this mootness argument is that Vázquez did
    fairly     challenge    the   independent      authority      of   New    Hampshire
    Probation and Parole to conduct a search of her home.                    Indeed, her
    argument was precisely that because New Hampshire Probation and
    Parole did not have such authority, the agents should be found to
    have employed a false claim to procure her consent.                      To suggest
    that Vázquez somehow artificially limited this argument in a manner
    that left unchallenged the authority of New Hampshire Probation and
    Parole as an independent basis for sustaining the validity of the
    search is to suggest that the parties and the district court
    knowingly engaged in a pointless hearing.
    Certainly, the district court did not view the authority
    of   New    Hampshire    Probation       and   Parole    as   an    unchallenged,
    alternative basis for denying the motion to suppress.                    Rather, the
    court expressly avoided deciding whether New Hampshire Probation
    and Parole actually had the authority to search Vázquez's home or
    whether    it   was    reasonable   to    think   that   they      did    have   such
    authority. The district court explained: "I don't think that's the
    turning point."         Instead, the district court determined that,
    because the FBI agents believed that a search could be conducted
    anyway, and because the FBI agents did not otherwise coerce
    Vázquez's consent, the consent validated the search even if New
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    Hampshire Probation and Parole could not have lawfully conducted a
    search.2
    It is, indeed, unclear whether New Hampshire Probation
    and Parole had the right to search Vázquez's home.                One suggested
    basis for the search -- the arrest warrant issued for Soto due to
    his violation of his parole -- could not have sufficed.                      The
    warrant granted "the limited authority to enter [the] dwelling in
    which [Soto] live[d] when there [was] reason to believe [that he
    was] within."         Payton v. New York, 
    445 U.S. 573
    , 602 (1980).        Since
    Soto had already been arrested at another location, the arrest
    warrant did not authorize a subsequent search of his home as a
    matter of law.           Cf. United States v. Graham, 
    553 F.3d 6
    , 15 (1st
    Cir.       2009)    ("Although   the   officers   possessed   a   valid   arrest
    warrant, this warrant only permitted them to seize Graham and did
    not, standing alone, authorize the search of the bedroom where
    Graham was found.").
    As    a   possible   alternative   justification     for   search
    without consent, that leaves only the fact that, as a condition to
    his parole, Soto had agreed that New Hampshire Probation and Parole
    could search his residence at any time.              This kind of probation
    condition can so diminish a probationer's expectation of privacy
    2
    To the extent that the government is also arguing that it be
    allowed to supplement the record on remand, the district court
    retains discretion in structuring the remand proceeding.
    -12-
    that it would permit police officers to search his residence
    without a warrant based only on a reasonable suspicion of criminal
    conduct, see United States v. Knights, 
    534 U.S. 112
    , 119-121
    (2001),        which    law   enforcement   clearly   had   here.3      However,
    Vázquez's case differs from Knights in several important ways:
    Soto's parole agreement used different language than Knights's,4
    Soto had already been arrested before the search occurred,5 and
    Soto might not have been residing in Vázquez's home.
    Because the district court did not reach the question of
    whether New Hampshire Probation and Parole really did have the
    authority to search Vázquez's home, we have no analysis of whether
    the terms of Soto's probation agreement would permit a warrantless
    search of his home based only on reasonable suspicion, nor whether
    such       a   search    would   be   permissible     following   his   arrest.
    Importantly, we also have no factfinding on whether Soto resided
    with Vázquez and, if not, what the various officers knew that might
    have reasonably led them to believe that Soto resided with Vázquez.
    3
    Although some states have passed statutes giving law
    enforcement the power to search the homes of persons released on
    parole without any cause at all, see, e.g., 
    Cal. Penal Code § 3067
    (b)(3); see also Samson v. California, 
    547 U.S. 843
     (2006)
    (upholding such statutes against Fourth Amendment challenge), we
    cannot locate a similar provision under New Hampshire law, see N.H.
    Rev. Stat. §§ 504-A:1-15; 651-1A:1-25 (2013), and the government
    does not point us to one.
    4
    See, e.g., Graham, 
    553 F.3d at 15-18
    .
    5
    See, e.g., United States v. Trujillo, 
    404 F.3d 1238
    , 1242-43
    (10th Cir. 2005)
    -13-
    Without further fact-finding and analysis from the district court,
    we cannot decide at this juncture whether the parole condition was
    a lawful basis for New Hampshire Probation and Parole to search
    Vázquez's home.    Therefore, we must assume for purposes of this
    appeal that New Hampshire Probation and Parole officers did not
    have the right to search Vázquez's home absent her consent.
    3.   "Subjective Good Faith" Versus "Reasonableness"
    Given    the   foregoing,   the   question   posed   is   whether
    Vázquez's consent can justify the search if secured by a sincere,
    but erroneous representation that a search would ensue anyhow. The
    otherwise well-developed case law on consensual searches secured by
    the looming promise of a non-consensual search marks the boundaries
    of our inquiry, but provides no clear answer to the specific
    question posed here.     The law is clear, for example, that consent
    to a search is invalid if given only because of an officer's
    knowingly false assurance that there will soon be a lawful search
    anyway.   Bumper v. North Carolina, 
    391 U.S. 543
    , 548 (1968);
    United States v. Miller, 
    589 F.2d 1117
    , 1132 (1st Cir. 1978); 2
    Wayne R. LaFave, et al., Criminal Procedure § 3.10(b), at 410-11
    (3d ed. 2007).    Similarly, the law is almost as 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.    See United States v. Marshall, 
    348 F.3d 281
    , 286
    (1st Cir. 2003); United States v. Lee, 
    317 F.3d 26
    , 33 (1st Cir.
    -14-
    2003); Twomey, 
    884 F.2d at 52
     (fact that warrant would have issued
    rendered it unnecessary to decide whether and when honest, but
    mistaken, representation implying that warrant could be obtained
    invalidated consent); see also United States v. Wilkinson, 
    926 F.2d 22
    , 25 (1st Cir. 1991), overruled on other grounds, Bailey v.
    United States, 
    516 U.S. 137
     (1995) (the officers accurately stated
    the likely consequences if the suspect refused to consent to a
    search); Robbins v. MacKenzie, 
    364 F.2d 45
    , 49-50 (1st Cir. 1966)
    ("Bowing to events, even if one is not happy about them, is not the
    same thing as being coerced.").   In short, the law rejects consent
    secured by knowingly false representations while at the same time
    seeing no reason to deter officers from securing convenient and
    prompt consensual access by conveying accurate information to a
    recipient.6
    This case falls between these boundaries because, as
    noted, we have neither knowing falsity nor a determination of
    accuracy.     While there is no controlling precedent on point, the
    applicable principles and analogous case law nevertheless convince
    us that the agents' subjective good faith is not enough.        The
    Fourth Amendment by its express terms demands that searches be
    "reasonable," not merely based on good intentions.   "If subjective
    6
    Using the concept of "coercion" to distinguish these two
    situations is something of a misnomer.     In each case, the same
    amount of pressure is brought to bear on the person's will. The
    distinction resides more in concepts of knowing misrepresentation,
    or "trickery." See Vanvliet, 
    542 F.3d at 264
    .
    -15-
    good faith alone were the test, the protections of the Fourth
    Amendment would evaporate, and the people would be ‘secure in their
    persons, houses, papers, and effects,’ only in the discretion of
    the   police."    Beck   v.   Ohio,   
    379 U.S. 89
    ,   97   (1964).   Law
    enforcement officers face varied and ambiguous situations in the
    course of maintaining the order necessary to make civil society
    possible.    They are entitled to err in assessing the facts, but
    "the mistakes must be those of reasonable men, acting on facts
    leading sensibly to their conclusions . . . ."           Brinegar v. United
    States, 
    338 U.S. 160
    , 176 (1949).
    The government's position, that the subjective good faith
    of its officers is enough to sustain the validity of consent as an
    independent justification for a search, overlooks the compelling
    potency of a representation that a search is imminent even without
    consent.    When law enforcement officers seek consent to search a
    person's home without making such a representation, the person
    giving the consent can reasonably believe that she has a choice.
    Such consent, unless otherwise coerced, stands on its own as an
    independent basis for sustaining the validity of the search.            See
    Schneckloth v. Bustamonte, 
    412 U.S. 218
    , 228 (1973).            Conversely,
    "'[w]hen a law enforcement officer claims authority to search a
    home under a warrant, he announces in effect that the occupant has
    no right to resist the search.'"       
    Id. at 234
     (quoting Bumper, 
    391 U.S. at 550
    ).    Consent pried loose by such a claim of authority is
    -16-
    merely acquiescence.    As such, it serves poorly as an independent
    basis for sustaining the validity of the search. Rather, its force
    is largely derivative, neither adding to nor subtracting from the
    reasonableness of the representation of inevitability used to
    secure the consent.    Accordingly, if we were to allow consent to
    validate a search secured by an authoritative pronouncement of
    inevitability where the officers act only in subjective good faith,
    and not reasonably, we would largely eliminate any requirement that
    reason necessarily play a role in securing the search.
    Illinois v. Rodríguez, 
    497 U.S. 177
     (1990), supports our
    conclusion that reasonableness, not merely subjective good faith,
    is the standard that the government must meet.    In Rodríguez, the
    police conducted a warrantless search based on the consent of a
    person who appeared to have, but did not in fact have, authority
    over the premises.    See 
    id. at 179-82
    .   The defendant argued that
    without valid consent from an authorized party, the search was
    unlawful.     See 
    id. at 180
    .     The Supreme Court rejected that
    argument, holding that no Fourth Amendment violation occurs when
    the police reasonably, though erroneously, believe that the person
    who has consented to their entry has authority over the premises.
    See 
    id. at 185-86
    .
    For present purposes, the important point is that in
    rejecting the argument that the police must be correct on the
    facts, the Court also made clear that an honest belief in the
    -17-
    validity of the consent was insufficient: "As with other factual
    determinations bearing upon search and seizure, determination of
    consent to enter must 'be judged against an objective standard . .
    . .'"      
    Id. at 188
     (quoting Terry v. Ohio, 
    392 U.S. 1
    , 21-22
    (1968)).    The Court emphasized that "what is generally demanded of
    the many factual determinations that must regularly be made by
    agents of the government . . . is not that they always be correct,
    but that they always be reasonable."                Id. at 185-86; cf. Hill v.
    California, 
    401 U.S. 797
    , 803-04 (1971) ("The upshot was that the
    officers in good faith believed Miller was Hill and arrested him.
    They were quite wrong, as it turned out, and subjective good-faith
    belief would not in itself justify either the arrest or the
    subsequent search.").
    In   Rodríguez,      the   justification      for    the   search   was
    consent    given    by   a    person   who    law   enforcement    believed     was
    authorized to do so.         Here, the justification was consent secured
    by law enforcement's announced belief that a nonconsensual search
    would ensue anyway.          We see no reason why reasonableness need not
    characterize       the   officers'      beliefs      in   both    circumstances.
    Otherwise, unreasonable but honest officers could parlay unlawful
    grounds for conducting searches into lawful searches merely by
    using the prospect of the unlawful search as a means of securing
    acquiescence.
    -18-
    Our holding is compatible with the few decisions we have
    found that have addressed slight variants of the issue before us.
    Three cases have held that a law enforcement officer's honest but
    mistaken claim of lawful authority to search invalidated the
    defendant's       consent   and   required    exclusion     of    the     resulting
    evidence.     In all three cases, the police lacked an objectively
    reasonable factual basis for their assertions--their claims of
    lawful authority were wrong even on the facts as the police
    understood them. See United States v. Molt, 
    589 F.2d 1247
    , 1251-52
    (3d Cir. 1978) (consent vitiated when customs agents innocently but
    incorrectly asserted the legal authority to conduct a warrantless
    search of a business's records); Cooper v. State, 
    587 S.E.2d 605
    ,
    612-13     (Ga.     2003)   (consent     vitiated    when        police    officer
    unintentionally       misrepresented     to   the   defendant      that     he   was
    required to submit to a warrantless blood test); Lobania v. State,
    
    959 S.W.2d 72
    , 73-74 (Ark. Ct. App. 1998) (consent vitiated when
    police translator innocently but incorrectly mistranslated an
    officer's request to search as an officer's claim of authority to
    search).    One case of which we are aware held that an honest but
    mistaken claim of lawful authority to search did not vitiate the
    defendant's consent.        In that case, the police had an objectively
    reasonable basis for their claim; it just turned out that they were
    mistaken about the underlying facts. See United States v. Richard,
    
    994 F.2d 244
    , 252 (5th Cir. 1993) (consent valid when police
    -19-
    officers honestly but inaccurately informed the subject of the
    search that her boyfriend had already agreed to allow them to
    search her motel room).
    The conclusion that consent is invalid if procured by an
    officer's unreasonable claim that a lawful search will ensue anyway
    imposes no unusual burden on law enforcement officials.        In many
    walks of life, agreements given in justified reliance on false
    representations   are   voidable.      See   Restatement   (Second)   of
    Contracts § 164(1) (1981). (Indeed, in an ordinary contract case,
    even reasonableness in making the representation might not save the
    deal. Id.) Law enforcement officials, moreover, are knowledgeable
    in assessing whether the facts render a search lawful.         In this
    context, it is no great demand to expect that they know the law and
    themselves be reasonable in assessing the facts when they procure
    consent to search a person's home by assuring the person that a
    lawful search will ensue anyway.
    In sum, by failing to determine whether the claimed
    authority to search was based on a reasonable assessment of the
    facts, the district court may have erred in its ultimate decision
    denying the motion to suppress.
    4.   Harmless Error Analysis
    Even if admission of the results of the search may have
    been error, we need not vacate and remand if, beyond a reasonable
    -20-
    doubt, the admission of the evidence could not have impacted the
    result below.      Neder v. United States, 
    527 U.S. 1
    , 7 (1999); Fed.
    R. Crim. P. 52(a); see also United States v. Crooker, 
    688 F.3d 1
    ,
    9 (1st Cir. 2012); United States v. Jiménez, 
    419 F.3d 34
    , 41-42
    (1st Cir. 2005).
    When we apply the harmless error analysis, we place the
    burden on the government to show "that the supposed error did not
    affect the outcome of trial."      Jiménez, 
    419 F.3d at 42
    .        We conduct
    "a    panoramic,   case-specific   inquiry    considering,    among    other
    things, the centrality of the tainted material, its uniqueness, its
    prejudicial impact, the uses to which it was put during the trial,
    the relative strengths of the parties' cases, and any telltales
    that furnish clues to the likelihood that the error affected the
    factfinder's resolution of a material issue."           United States v.
    Castellini, 
    392 F.3d 35
    , 52 (1st Cir. 2004) (quoting United States
    v. Sepulveda, 
    15 F.3d 1161
    , 1182 (1st Cir. 1993)) (internal
    quotation marks omitted).
    We begin with Count I, Conspiracy to Distribute Cocaine
    and   Cocaine   Base   (crack)   beginning    on   December   5,    2007   and
    continuing through January 16, 2008.         See 
    21 U.S.C. §§ 841
    (a)(1) &
    846. The evidence discovered inside Vázquez's home, where Soto was
    at least temporarily staying, was highly incriminating, but it was
    also merely cumulative of the substantial additional evidence
    offered at trial indicating that Vázquez and Soto had been working
    -21-
    together to sell crack cocaine during the period in question.
    Aside       from    the   materials    found      inside   Vázquez's    home,    the
    government also presented evidence that Soto and Vázquez together
    sold crack cocaine to the confidential informant at their home on
    December 6; that they planned to sell her crack cocaine once more
    at Vázquez's home on January 16; and that they engaged in multiple
    recorded conversations during which they both discussed their joint
    drug-dealing venture in great detail.7               Based on this evidence, we
    are convinced that the jury would still have convicted Vázquez on
    the first count even if the evidence from the search of her home
    had been suppressed.
    As   to    Count   III,8   Distribution     of   Cocaine   Base    on
    December 6, 2007, see 
    21 U.S.C. § 841
    (a)(1), the evidence found in
    Vázquez's home was superfluous.                  The government presented both
    witness      testimony      and   recorded     conversations    indicating      that
    Vázquez      sold    14   grams   of   crack     cocaine   to   the   confidential
    informant on December 6. Nothing from the search of Vázquez's home
    was needed to support this conviction.
    7
    The government also presented evidence that the two sold
    crack to the informant on December 5, but the jury acquitted
    Vázquez on the charge related to that transaction. In any event,
    the evidence of the December 5 sale is merely cumulative, since
    there was substantial additional evidence that Vázquez and Soto
    were conspiring together to distribute crack cocaine.
    8
    As noted above, the jury acquitted Vázquez on Count II.
    -22-
    Finally, in regard to Count IV, Possession of Cocaine
    with Intent to Distribute on January 16, 2008, see 
    21 U.S.C. § 841
    (a)(1), the prosecution's case was based almost entirely on the
    cocaine that the FBI agents had seized from inside Vázquez's home.
    The only other evidence supporting Count IV was the confidential
    informant's testimony at trial that Vázquez had mentioned to her on
    January 16 that she and Soto had some powder cocaine in their
    possession.   We are not convinced "beyond a reasonable doubt" that
    the jury would still have convicted Vázquez on Count IV based
    solely on this stray and unsubstantiated remark.   Neder, 
    527 U.S. at 7
     (internal quotation marks omitted).     Accordingly, a remand
    will be necessary.
    5.   Guidance on Remand
    Given the relative novelty of the issues as framed in a
    case involving a joint law enforcement exercise and the assertion
    of an independent and a derivative ground for the warrantless
    search, we address three additional questions that necessarily will
    arise below as a foreseeable product of our holding.
    First, to what determination does the assessment of
    reasonableness apply:    the determination of the facts, or the
    determination of what the law is, based on those facts?      As at
    least two other sister circuits have noted, Rodríguez permits
    warrantless searches based only on a reasonable mistake of fact,
    not on a mistake of law.   See United States v. Salinas-Cano, 959
    -23-
    F.2d 861, 865-66 (10th Cir. 1992); United States v. Whitfield, 
    939 F.2d 1071
    , 1073-75 (D.C. Cir. 1991); see also United States v.
    Harrison, 
    689 F.3d 301
    , 309-10 (3d Cir. 2012).               In other words,
    Rodríguez "applies to situations in which an officer would have had
    valid consent to search if the facts were as he reasonably believed
    them to be."       Whitfield, 
    939 F.2d at 1074
    .        Rodríguez does not
    permit an officer to search if his mistake is about the law -- for
    instance, if he mistakenly believes that the Fourth Amendment
    authorizes a search when in fact it does not, even based on the
    facts as he understands them.
    Second, who must have been reasonable in assessing the
    facts, the FBI agents who told Vázquez that New Hampshire Probation
    and Parole could and would search, or the state officers who so
    told the FBI?      On the one hand, agents working in a team should be
    able to rely on facially plausible statements made by their
    colleagues without having to conduct due diligence on their own.
    On   the   other   hand,   it   would    create   perverse    incentives   if
    unreasonable judgments by one officer directly involved in the
    arrest and search could be laundered by transmission through
    another officer as ipse dixit.          The answer that best balances the
    considerations in this particular case is that the FBI agents were
    entitled to supplement their own knowledge of the facts by relying
    on the judgments of the state officers concerning the facts,
    provided that those judgments were themselves reasonable.                  Cf.
    -24-
    United States       v. Hensley, 
    469 U.S. 221
    , 231 (1985) ("[W]hen
    evidence is uncovered during a search incident to an arrest in
    reliance on a flyer or bulletin, its admissibility turns on whether
    the officers who issued the flyer possessed probable cause to make
    the arrest.").       See generally United States v. Ramirez, 
    473 F.3d 1026
    , 1032-37 (9th Cir. 2007) (describing "collective knowledge"
    doctrine).
    Third, and perhaps ironically in view of the manner in
    which    the    issues   were     prioritized    below,   our   ruling    renders
    Vázquez's consent irrelevant in this particular case because the
    threatened search by New Hampshire Probation and Parole used to
    secure   consent     was    actually   conducted    simultaneously       and   co-
    extensively with the consented search.               If that search by New
    Hampshire Probation and Parole was valid, then as the government
    argued below, there is no need to rely on Vázquez's consent.
    Conversely, if that search was unlawful on its own terms, it would
    only be because the facts as reasonably perceived by the officers
    did not as a matter of law justify the warrantless search.                     The
    consent here is thus truly derivative, and drops out of the
    equation       altogether    in    determining    the     lawfulness     of    this
    particular search.
    On remand, the district court will therefore need to
    decide whether the facts as reasonably understood by the officers
    and agents at the scene gave them the authority to search Vázquez's
    -25-
    residence without Vázquez's consent. If so, the search was lawful.
    If not, the consent would not have validated the search because it
    would have been secured as a result of either an unreasonable
    assessment of the facts or a misapprehension of the law.
    B.   The Requested Jury Instruction on Duress
    Vázquez's second claim of error challenges the district
    court's refusal to instruct the jury on the defense of duress.
    Duress is a common law defense that excuses criminal conduct if the
    defendant   violated   the   law   only   because   she   was   unlawfully
    threatened by another person with death or serious bodily injury.
    See United States v. Bailey, 
    444 U.S. 394
    , 409-10 (1980).
    At the close of trial, Vázquez asked the district court
    to include a duress defense in its charge to the jury.                She
    emphasized that Soto was a member of the "Ñetas," a prison gang
    that originated in Puerto Rico but had since acquired thousands of
    members across the United States, including in New Hampshire, and
    which has been involved in drug trafficking, gun violence, and
    witness intimidation.    She also noted that Soto had access to a
    gun, and that she was particularly fearful of firearms because she
    had witnessed her father shoot her mother when she was a child.
    Vázquez recounted that Soto had told her about the Ñeta
    gang's rules and that his gang-member friends had shared stories
    "of what they do to people [who] . . . snitch."            Although Soto
    -26-
    never threatened her, and she did not believe that he would have
    hurt her himself, Vázquez felt that she had been implicitly
    threatened that other Ñeta gang members might harm her or her
    children if she attempted to go to the police. Allegedly, she only
    participated in the scheme in order to protect herself and her
    children.
    The district court was unmoved.   It declined Vázquez's
    request for a duress instruction, citing a lack of evidence in the
    record to support that theory of defense. Vázquez timely preserved
    her position by objecting to the omission of the instruction before
    the jury retired.
    On appeal, we review de novo whether the defendant made
    a threshold showing that the record evidence, construed in her
    favor, supported her requested instruction.        United States v.
    Baird, 
    712 F.3d 623
    , 627 (1st Cir. 2013).9      In this case, it is
    clear that Vázquez has not made such a showing.
    First, the threat she cites was hardly immediate, or even
    imminent.    Rather, it was no more than a "vague threat of future
    9
    If the evidence does support the requested instruction, we
    then move to a three-part test, also conducted de novo, which
    determines whether the district court's refusal to give the
    instruction constituted reversible error. According to that three-
    part test, we vacate the defendant's conviction if her requested
    instruction was: "(1) substantively correct as a matter of law, (2)
    not substantially covered by the charge as rendered, and (3)
    integral to an important point in the case so that the omission of
    the instruction seriously impaired the defendant's ability to
    present [her] defense." Baird, 712 F.3d at 627.
    -27-
    harm," which is insufficient to support a duress instruction.
    United States v. Arthurs, 
    73 F.3d 444
    , 450 (1st Cir. 1996); see
    also United States v. Bello, 
    194 F.3d 18
    , 27 (1st Cir. 1999).
    Moreover,    the     inferred      threat      against    "snitches"    can    be
    disregarded.       In a case of duress, the relevant threat is that
    which "caused the actor to engage in conduct violating the literal
    terms of the criminal law."         Bailey, 
    444 U.S. at 409
    .          Vázquez is
    charged with violating the laws criminalizing the sale of cocaine,
    not with failing to report those crimes.
    Second, even if we were to accept the notion that Vázquez
    might have construed an inferred threat against "snitching" to be
    the equivalent of a threat of harm for not actively committing the
    crime, such a subjective belief would not constitute a "well-
    grounded" fear.          Bello, 
    194 F.3d at 27
    .          She needed to produce
    evidence of threats that would have caused "a defendant of ordinary
    firmness and judgment" to believe that she would be in immediate
    danger should she not commit the criminal acts.                United States v.
    Castro-Gómez,      
    360 F.3d 216
    ,   219    (1st   Cir.   2004).    The    same
    principle negates Vázquez's claim that the implicit threat had a
    more powerful effect on her due to her past traumatic experiences
    with firearms--our objective analysis does not permit consideration
    of special factors unique to this particular defendant.
    Finally, there was no evidence to suggest that Vázquez
    lacked the opportunity to escape or frustrate any threat against
    -28-
    her.    See Bello, 
    194 F.3d at 27
    .   Vázquez testified that Soto "was
    always around" at home and that the Ñetas had a presence "all over
    the place," making it extremely difficult for her to turn Soto over
    to the authorities.    But even granting the improbable notion that
    between December 5 and January 16, Vázquez did not have just a few
    minutes in private when she could have contacted the police, there
    is nothing to suggest that she could not have simply terminated her
    romantic and professional relationships with Soto in order to
    extricate herself from the drug-dealing business.      Cf. Bailey, 
    444 U.S. at 410
     (no duress defense is available "if there was a
    reasonable, legal alternative to violating the law").
    For these reasons, the evidence at trial, construed in
    Vázquez's favor, could not have supported a finding of duress.
    Accordingly, the district court did not err in refusing to instruct
    the jury on the elements of the defense.
    C.     The Calculation of Vázquez's Guidelines Sentence
    Finally,   Vázquez   claims   that   the   district   court
    miscalculated her sentence under the United States Sentencing
    Guidelines.10
    10
    At a sentencing hearing, the court may use evidence seized
    in violation of a defendant's Fourth Amendment rights so long as
    the police did not intentionally violate the Fourth Amendment in
    order to increase the defendant's sentence. See United States v.
    Larios, 
    593 F.3d 82
    , 87 (1st Cir. 2010); United States v. Acosta,
    
    303 F.3d 78
    , 86 (1st Cir. 2002).     Even if the district court
    determines on remand that Vázquez's consent to the search of her
    home was invalid and so suppresses the evidence obtained therein,
    -29-
    The standard practice when imposing a sentence is for a
    district court to use the Sentencing Guidelines to calculate a
    recommended     sentencing   range   for    the   defendant,    and   then   to
    consider whether a guideline sentence is appropriate in light of
    the factors enumerated in 
    18 U.S.C. § 3553
    (a).            United States v.
    Zapata, 
    589 F.3d 475
    , 486 (1st Cir. 2009).              The court may then
    choose to vary from the Guidelines sentence if justified by the
    particular circumstances of the case.         See Gall v. United States,
    
    552 U.S. 38
    , 46 (2007).       Although defendants may appeal both the
    procedure used to calculate their Guidelines sentencing range and
    the   overall   substantive    reasonableness      of   the    sentence   they
    receive, see Zapata, 589 F.3d at 486, Vázquez challenges only the
    calculation.     On appeal, we review de novo the sentencing court's
    interpretation of the Sentencing Guidelines and review for clear
    error the court's findings of fact. United States v. Woodward, 
    277 F.3d 87
    , 91 (1st Cir. 2002).
    Vázquez specifically challenges two of the variables in
    her sentencing equation.         First, she objects to the court's
    attribution to her of approximately 100 grams of crack cocaine (86
    grams more than the 14 grams she was convicted of selling to the
    that decision will not impact the facts considered by the district
    court in calculating Vázquez's sentence. Because the sentencing
    calculation issues will arise either way, we can decide those
    questions on this appeal, despite the fact that we are vacating one
    of Vázquez's three counts of conviction and remanding the case for
    further proceedings.
    -30-
    police informant).11       Second, she disputes the court's finding that
    a gun was possessed in connection with the charged conspiracy
    (resulting in an upward adjustment of her offense level).              Because
    these        findings   were   made   for     purposes   of   sentencing,   the
    prosecution had the burden to prove them by a preponderance of the
    evidence.       See United States v. Laboy, 
    351 F.3d 578
    , 582 (1st Cir.
    2003) (drug quantity); United States v. Hoey, 
    508 F.3d 687
    , 691
    (1st Cir. 2007) (facts central to upward adjustments in offense
    levels).       We take each of Vázquez's objections in turn.
    1.   The Amount of Crack Cocaine
    Vázquez alleges that there was insufficient evidence that
    the 100 grams of drugs existed, and even if they did, that they
    took the form of crack cocaine rather than powder cocaine (which is
    punished less severely under the Guidelines). The record, however,
    amply supported the district court's calculation. As to the nature
    of the product, Vázquez's conversations with the confidential
    informant made clear that she and Soto were in the business of
    selling crack cocaine, not powder.                 Vázquez was, after all,
    convicted of selling crack.           Nor does the fact that powder cocaine
    was found in the search dictate a contrary conclusion, since powder
    11
    It is not entirely clear from the transcript of the
    sentencing hearing whether the district court attributed to Vázquez
    92, 96, 98, or 100 grams of crack cocaine.       However, all four
    quantities would yield the same base offense level of 26, which
    covers the range of 28 to 112 grams. See U.S.S.G. § 2D1.1(c).
    -31-
    cocaine is the principal ingredient used to cook crack cocaine.
    See Kimbrough v. United States, 
    552 U.S. 85
    , 94 (2007).        As for the
    quantity, Vázquez herself referred to having run out of "100
    grams," and needing to travel to New York to get more.          The cash
    found, minus the proceeds from the sale of a car, equaled the
    estimated sales proceeds of approximately 100 grams of crack.
    Small-time drug dealers rarely "author[]. . . formal
    business    plan[s]   or   keep[]    meticulously   detailed   inventory
    records."     United States v. Sklar, 
    920 F.2d 107
    , 111 (1st Cir.
    1990). Therefore, "in a case where cash is seized and where either
    no drug is seized or the amount seized does not reflect the scale
    of the offense, the sentencing court may estimate the quantity of
    drugs with which Defendant was involved by converting cash to its
    drug equivalent."     United States v. Rios, 
    22 F.3d 1024
    , 1028 (10th
    Cir. 1994).     This method is commonplace in our circuit and in
    others.    See, e.g., United States v. Chandler, 
    534 F.3d 45
    , 50-51
    (1st Cir. 2008); United States v. Sepulveda, 
    102 F.3d 1313
    , 1318
    (1st Cir. 1996); United States v. Jackson, 
    3 F.3d 506
    , 510-11 (1st
    Cir. 1993); see also United States v. Tokars, 
    95 F.3d 1520
    , 1541-42
    (11th Cir. 1996) (collecting cases).
    More broadly, Vázquez claims that she should not be held
    responsible for uncharged drug sales and objects to the attribution
    to her of any drugs beyond the 14 grams of crack she was convicted
    of selling.    While perhaps surprising to a lay person, sentencing
    -32-
    courts routinely take into account as "relevant conduct" drug deals
    allegedly executed by defendants during the same approximate time
    periods as their charged transactions even though no jury has found
    the alleged deals to have occurred.12   The Sentencing Guidelines
    endorse that approach: "[I]n a drug distribution case, quantities
    and types of drugs not specified in the count of conviction are to
    be included in determining the offense level if they were part of
    the same course of conduct or part of a common scheme or plan as
    the count of conviction."   U.S.S.G. § 1B1.3, cmt. background; see
    also United States v. Chuong Van Duong, 
    665 F.3d 364
    , 368 (1st Cir.
    2012) ("Commentary to the guidelines is generally authoritative.").
    Although "[n]ot every drug transaction undertaken by
    every drug trafficker is necessarily linked in a meaningful sense,"
    the sentencing court in this case was permitted to attribute
    uncharged drug quantities to Vázquez so long as it found, by a
    preponderance of the evidence, "a sufficient link between the acts
    charged and those included for sentencing purposes." United States
    v. Santos Batista, 
    239 F.3d 16
    , 21 (1st Cir. 2001) (quoting United
    States v. Sklar, 
    920 F.2d 107
    , 111 (1st Cir. 1990)).   Vázquez was
    convicted both of conspiring to distribute crack cocaine between
    12
    See, e.g., United States v. Márquez, 
    699 F.3d 556
    , 558, 560-
    61 (1st Cir. 2012); United States v. Barbour, 
    393 F.3d 82
    , 92 (1st
    Cir. 2004); Laboy, 
    351 F.3d at 581
    ; United States v. Santos
    Batista, 
    239 F.3d 16
    , 21-27 (1st Cir. 2001); United States v.
    Tabares, 
    951 F.2d 405
    , 410 (1st Cir. 1991); see also U.S.S.G. §
    1B1.3(a)(2); id. at § 3D1.2(d).
    -33-
    December 5 and January 16 and of actually distributing crack
    cocaine to the informant on December 6, and so it was reasonable
    for the sentencing court to consider as well her contemporaneous
    sales of that same drug to other buyers.                   Cf. United States v.
    Eisom, 
    585 F.3d 552
    , 557 (1st Cir. 2009) (listing factors to be
    considered when deciding whether to include uncharged drug sales in
    a Guidelines sentence calculation as "the nature of the offenses,
    their timing, their commonalities, and the existence or non-
    existence of overarching patterns").
    For all of these reasons, the court did not clearly err
    by attributing 100 grams of crack cocaine to Vázquez when it
    calculated her Guidelines sentence.
    2.        Soto's Gun
    Vázquez also challenges the district court's finding that
    a gun was possessed in connection with the charged conspiracy,
    increasing her base offense level by two (raising it to 28).                  See
    U.S.S.G. § 2D1.1(b).         Vázquez stresses that the gun in question
    belonged to Soto, not to her, and that Soto only had possession of
    the   weapon    in    October     2007--two      months    before   the    charged
    conspiracy had even begun.
    As to who owned the gun, the Sentencing Guidelines
    plainly   state      that   in   cases    of    "jointly   undertaken     criminal
    activity," a defendant may be held responsible for "all reasonably
    -34-
    foreseeable acts and omissions of others in furtherance of the
    jointly undertaken criminal activity."           U.S.S.G. § 1B1.3(a)(1)(B).
    Vázquez does not dispute that she knew Soto possessed a gun.
    Indeed, she testified at trial that a gun was "accessible" to Soto,
    and that she had asked him not to keep the weapon in her house.
    The fact that Vázquez never handled the gun herself does not
    relieve her of responsibility for its foreseeable possession by a
    co-conspirator in connection with their drug dealing venture.
    As to chronology, the Guidelines also make clear that the
    acts and omissions for which Vázquez was accountable included all
    those that were "part of the same course of conduct or common
    scheme   or    plan   as   the   offense    of   conviction."   See   id.   §
    1B1.3(a)(2); see also id. § 3D1.2(d); id. § 2D1.1. That phrase has
    been interpreted to be "broader than, rather than coterminous with,
    the definition of a 'conspiracy' as that term of art is used in the
    overall criminal law."       David v. United States, 
    134 F.3d 470
    , 476
    (1st Cir. 1998).       Accordingly, "conduct can still be relevant,
    though it may be outside the time frame of the charged conspiracy."
    Barbour, 
    393 F.3d at 92
    .
    In Vázquez's case, the government presented evidence that
    she and Soto were engaged in the distribution of crack cocaine at
    least as far back as October 2007, the same month that Soto
    possessed the gun.         Furthermore, even during the period of the
    conspiracy for which Vázquez was convicted, she was present during
    -35-
    a conversation concerning Soto's preferences regarding the gun's
    disposition and possible return to him.                  The sentencing court
    indicated   that   it   was   well    aware   of   the    danger   posed   by   a
    boundaryless interpretation of the "relevant conduct" Guideline,
    and yet it still determined that Soto's gun possession was part of
    the same course of conduct as Vázquez's December through January
    crack cocaine conspiracy.            The court did not clearly err by
    reaching that conclusion.       See 
    id.
    Therefore, we find no error in the district court's
    calculation of Vázquez's Guidelines sentence.
    III. Conclusion
    First, we conclude that the district court erred by
    denying Vázquez's motion to suppress without determining whether it
    was reasonable for law enforcement to believe that New Hampshire
    Probation and Parole had the authority to search without her
    consent.    On remand, the district court will need to determine
    whether the facts as reasonably understood by the officers and
    agents at the scene gave them the authority to search Vázquez's
    home without consent. If so, the conviction on Count IV will stand
    and Vázquez need not be resentenced.          Otherwise, the conviction on
    that count must be reversed, and Vázquez resentenced.
    Second, we conclude that the district court committed no
    error by denying Vázquez's request for a duress instruction.
    -36-
    Finally, we conclude that the district court correctly
    calculated Vázquez's recommended sentence under the Sentencing
    Guidelines, although the district court will need to resentence
    Vázquez if, on remand, it reverses the conviction on Count IV.
    Accordingly, we affirm Vázquez's first two counts of
    conviction and vacate her third count of conviction. We remand the
    case for further proceedings consistent with this opinion.
    So ordered.
    -37-