United States v. Delgado-Perez , 867 F.3d 244 ( 2017 )


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  •           United States Court of Appeals
    For the First Circuit
    No. 15-2247
    UNITED STATES OF AMERICA,
    Appellee,
    v.
    RAMÓN DELGADO-PÉREZ,
    Defendant, Appellant.
    APPEAL FROM THE UNITED STATES DISTRICT COURT
    FOR THE DISTRICT OF PUERTO RICO
    [Hon. Daniel R. Domínguez, U.S. District Judge]
    Before
    Torruella, Lipez, and Barron,
    Circuit Judges.
    Edwin Edgardo León-León for appellant.
    Francisco A. Besosa-Martínez, Assistant United States
    Attorney, with whom Rosa Emilia Rodríguez-Vélez, United States
    Attorney, and Mariana E. Bauzá-Almonte, Assistant United States
    Attorney, Chief, Appellate Division, were on brief, for appellee.
    August 16, 2017
    BARRON, Circuit Judge.            Ramón Delgado-Pérez ("Delgado")
    pleaded guilty to being a prohibited person in knowing possession
    of a firearm or ammunition, in violation of 18 U.S.C. § 922(g).
    In doing so, however, Delgado reserved his right to challenge, on
    appeal, the denial of his motion to suppress certain evidence,
    including the loaded firearm mentioned in the indictment, found
    when law enforcement searched his home.              He now contends that his
    conviction must be overturned because the District Court erred in
    denying that motion.        We agree, and so we reverse and remand.
    I.
    Under 18 U.S.C. § 922(g), it is a crime for certain
    individuals    "to   ship    or    transport    in    interstate   or   foreign
    commerce, or possess in or affecting commerce, any firearm or
    ammunition; or to receive any firearm or ammunition which has been
    shipped or transported in interstate or foreign commerce." Section
    922(g)(1) defines persons covered by this prohibition as those
    "who ha[ve] been convicted in any court of[] a crime punishable by
    imprisonment for a term exceeding one year."
    On   February      26,   2014,    Delgado    was   indicted   in   the
    District of Puerto Rico for being in knowing possession of a loaded
    firearm, in violation of § 922(g), by virtue of his previous
    conviction for a crime punishable by imprisonment of a term
    exceeding one year.     Specifically, the indictment charged Delgado
    with violating § 922(g) because Delgado possessed a "Sig Sauer"
    -2-
    pistol    loaded    with   ten   rounds      of   nine-millimeter          caliber
    ammunition.
    Following the indictment, Delgado pleaded not guilty.
    But, he later changed his plea to guilty.                 Prior to changing his
    plea,    however,   Delgado   filed    a    motion    to      suppress    evidence
    recovered "in violation of the U.S. Constitution and any fruits
    recovered thereof."
    Delgado argued in his suppression motion that the search
    of his residence that turned up the loaded firearm referenced in
    the indictment violated the Fourth Amendment because he never
    consented to a search of his residence, the evidence seized was
    not in plain view, and no other exigent circumstances justified
    the search of the residence.       The government, in its opposition to
    Delgado's motion, contended that the motion should be denied
    because   Delgado    voluntarily    consented        to    the   search    of   his
    residence and because, alternatively, the officers acted in good
    faith in undertaking the non-consensual warrantless search of his
    home.
    A   magistrate    judge     conducted         a    hearing    on    the
    suppression issue, which was held over the course of two days:
    October 22, 2014, and November 10, 2014. In the Magistrate Judge's
    report and recommendation following the hearing, the Magistrate
    Judge described the events that transpired as follows.
    -3-
    On February 20, 2014, at least a dozen law enforcement
    officers arrived at Delgado's residence in Puerto Rico with a New
    York state warrant for his arrest for trafficking cocaine through
    the   United    States     mail.     When    the   officers   arrived   outside
    Delgado's      residence    and    announced    their    presence,   there   was
    initially no answer.          The officers began to open a rebar gate
    outside the residence, at which point Delgado opened a window and
    told the officers, through the window, that he was home and was
    going to open the door.            Delgado retrieved a key, came outside,
    opened the rebar gate for the officers and indicated to the
    officers that he was by himself.
    Once   Delgado     was   outside,      the   officers   undertook   a
    protective sweep of the residence, which, according to one officer,
    is their standard practice to ensure officer safety and prevent
    destruction of evidence.           An officer also testified that, while
    Delgado told the officers there was no one else present in the
    home, the officers did not take his word and "had to verify that
    there was no one else in the residence who could harm them."                 The
    agents knew that Delgado was a convicted felon and drug trafficker,
    and that "drug trafficking goes hand in hand with weapons."               There
    were security cameras that could permit someone inside the house
    to watch the movements of the officers, and the configuration of
    Delgado's house included an apartment on the premises and a locked
    rebar fence and gate outside of the house.
    -4-
    During the protective sweep, the officers noticed a
    firearm magazine on top of a dresser in a room off of an interior
    hallway.     Once the sweep concluded, an officer asked Delgado if
    there   were   any     firearms    in     the    residence,     to    which   Delgado
    responded in the affirmative and told the officer he had a firearm
    and   provided    its   location     --    a     dresser    drawer.      An   officer
    retrieved a loaded firearm -- the Sig Sauer referenced in the
    indictment -- from inside the dresser drawer and rendered it safe.
    An officer then asked Delgado for consent to search the
    residence.       Delgado consented to the search verbally, but he
    declined to sign a consent form.
    The Magistrate Judge based the above-recited findings on
    hearing testimony provided by two United States Postal Inspection
    Service officers, which the Magistrate Judge determined to be
    credible.      On the basis of "the above summarized scenario and
    circumstances"       reflected     in      the     officers'         testimony,    the
    Magistrate     Judge     concluded        that    the      protective     sweep    was
    justified.     Thus, the Magistrate Judge found that the magazine
    found on the dresser during the protective sweep need not be
    suppressed.
    The Magistrate Judge also found that, based on the
    magazine     recovered     during       the       protective     sweep,       it   was
    "reasonabl[e]" for law enforcement to "infer[] the firearm could
    be inside the residence and accessible to someone else inside the
    -5-
    house."      The    Magistrate     Judge     thus   concluded     that    "it   was
    reasonable    for   the     agents,"   after    Delgado    told    them    of   the
    firearm's location, to seize it from the dresser and render it
    safe.
    In addition, the Magistrate Judge found that, following
    the protective sweep, Delgado consented to the search of the full
    residence.    In so concluding, the Magistrate Judge determined that
    the two officers' mutually consistent testimony was more credible
    than Delgado's.       And the Magistrate Judge found that Delgado's
    consent was not the product of coercion.
    The Magistrate Judge advised the parties that "failure
    to file [objections] within the specified time waives the right to
    appeal this order," based on local rules applicable in the District
    of Puerto Rico.       See D.P.R. Civ. R. 72(d).             Neither party so
    objected.     Several months later, the District Court adopted the
    Magistrate Judge's report and recommendation and denied Delgado's
    motion to suppress.
    On June 16, 2015, Delgado pleaded guilty to violating 18
    U.S.C. § 922(g). At the change of plea hearing, the District Court
    recognized that Delgado was, in pleading guilty, reserving the
    right to appeal the denial of his motion to suppress.
    The District Court sentenced Delgado to time served,
    ordered   three     years    of   supervised    release,    and    ordered      the
    forfeiture of the loaded firearm described in the indictment. This
    -6-
    appeal followed.   In addition to his counsel's brief to us, in
    which Delgado challenged his conviction on the ground that he did
    not consent to "the search of his residence and its premises"
    following the protective sweep, Delgado also filed a pro se
    supplemental brief.   In his pro se supplemental brief, Delgado
    challenges the lawfulness of the protective sweep and contends
    that both the magazine and the loaded firearm must be suppressed
    as fruits of that unlawful sweep.1
    II.
    Before turning to the merits of the contentions that
    Delgado makes on appeal, we first consider whether Delgado waived
    his right to make them on appeal.     And that consideration requires
    us to address in some detail what happened at the change of plea
    hearing.
    A.
    The Magistrate Judge's report and recommendation warned
    that failure by either party to file objections to the report and
    recommendation "waives the right to appeal this order."          The
    government thus argues that, because Delgado failed to object to
    the report and recommendation, he waived his right to raise this
    challenge on appeal to the District Court's order denying his
    1 When we refer to arguments that Delgado makes on appeal, we
    account for the arguments contained both in his counsel's brief
    and in his pro se supplemental brief.
    -7-
    motion to suppress, given that the order adopts the report and
    recommendation.   And, as the government points out, Delgado makes
    no argument to the contrary in his opening brief.
    Ordinarily, the government would be right that Delgado's
    failure to object to the report and recommendation -- followed by
    his failure to address that failure in his briefing to us -- would
    preclude his appeal.    See United States v. Valencia-Copete, 
    792 F.2d 4
    , 6 (1st Cir. 1986) ("[F]ailure to file within the time
    allowed waives the right to appeal the district court's order.").
    But, here, we deal with an unusual circumstance that requires a
    different conclusion.
    At Delgado's change-of-plea hearing, the District Court
    first confirmed to Delgado's attorney that "the opinion and order
    of the magistrate judge, and the report and recommendation, and
    the opinion of the [District] Court" regarding "the legal issue as
    to the alleged illegality of the weapon [] seized at the moment of
    the arrest" would be "reserved . . . for an appeal."   The District
    Court then told Delgado that Delgado was "reserv[ing] the right to
    challenge the decision of the magistrate judge . . . and the
    affirmance of that decision [by] the [District] Court not granting
    your challenge to the suppression of the weapon that was found in
    your residence at your arrest."       Later in the change-of-plea
    hearing, the District Court reiterated to Delgado four more times
    that Delgado had reserved the right to appeal the suppression
    -8-
    issue,    telling    him,   "[Y]ou   can    challenge     the   report     and
    recommendation of the magistrate and the Court's order affirming
    the report and recommendation as to the suppression of the weapon,"
    "[Y]ou retain as a condition to the plea, the right to challenge
    the decision of the magistrate judge and the [District] Court as
    to the suppression of the weapon"; "[Y]ou retain the ability to
    challenge the facts relating to the suppression of the weapon";
    and "You will always be able to challenge the weapon suppression
    issue."
    The District Court then told the Assistant United States
    Attorney ("AUSA") that, despite Delgado pleading guilty, Delgado
    was   "challenging    the   determination    of     the   [District]     Court
    relating to the suppression of the weapon."          In response, the AUSA
    answered "[t]hat is correct," without elaboration. And, when asked
    if the government wanted the District Court to "make a further
    explanation of the reservation," the AUSA declined, and did not
    mention   that    Delgado   failed    to   object    to   the   report    and
    recommendation.      The AUSA instead made a factual clarification,
    relevant only to the merits of the suppression issue, about where
    the magazine and loaded firearm were each found.
    Thus, the government never articulated to either Delgado
    or to the District Court, prior to Delgado entering his plea, its
    present position.     That position, stated for the first time in the
    government's brief on appeal in response to Delgado's, is that
    -9-
    Delgado waived his right to challenge the suppression ruling by
    failing   to      object    to    the       report     and     recommendation,
    notwithstanding    that    Delgado    plainly     pleaded      guilty   on   the
    understanding,     expressly     shared     by   the   District    Court     and
    seemingly accepted by the government, that Delgado could appeal
    the suppression ruling.
    We have explained before, however, that, by failing to
    raise an argument that a defendant's failure to take some action
    below waives that defendant's right to raise an issue on appeal,
    the government may waive the waiver argument.                See United States
    v. Román-Huertas, 
    848 F.3d 72
    , 76-77 (1st Cir. 2017); see also
    Barreto–Barreto v. United States, 
    551 F.3d 95
    , 98 (1st Cir. 2008).
    And we do not see why this case is not of a similar kind, given
    what Delgado and the District Court said at the change of plea
    hearing and that the government said nothing to suggest otherwise
    at the hearing.      In fact, at the hearing the government even
    addressed the merits of the ruling it now contends was supposedly
    at that point already unchallengeable.2              We thus proceed to the
    merits.
    2
    The government does cite to two unpublished, out-of-circuit
    cases that have held that defendants waived the right to appeal
    district courts' decisions on suppression motions by not objecting
    to the report and recommendation filed in their respective cases.
    See United States v. Cagle, 314 F. App'x. 617 (4th Cir. 2009);
    United States v. Buckbee, 3 F. App'x. 563 (7th Cir. 2001). But
    Cagle simply held that a defendant waived a particular argument
    -10-
    B.
    With respect to the merits of Delgado's challenge, we
    ordinarily "review[] a district court's legal conclusions involved
    in denying a motion to suppress the evidence de novo and its
    findings of fact for clear error."      United States v. Marshall, 
    348 F.3d 281
    , 284 (1st Cir. 2003).    "On a motion to suppress evidence
    seized on the basis of a warrantless search, the presumption favors
    the defendant, and it is the government's burden to demonstrate
    the legitimacy of the search."   United States v. Winston, 
    444 F.3d 115
    , 123–24 (1st Cir. 2006).3
    because he failed to object to a magistrate judge’s report and
    recommendation, where the defendant had never been given any reason
    to believe that he had, in fact, preserved the issue for appeal.
    314 F. App'x. at 618. Thus, Cagle does not appear to implicate
    the notice and fairness concerns that the record reveals are
    implicated here. And, while Buckbee held that the defendant had
    waived the right to appeal of the denial of his motion to suppress
    by failing to object to the magistrate judge's report and
    recommendation, the opinion provides no detail about the
    particular facts and circumstances that suggest the case concerned
    facts in any way analogous to our own.
    3
    As we will explain, we need not reach the factual finding
    that Delgado contests on appeal, even assuming that, given the
    District Court's representations about his right to contest the
    factual findings in the report and recommendation on appeal, he
    has not waived the right to do so by failing to raise that challenge
    before the District Court. Cf. United States v. Lomeli, 
    676 F.3d 734
    , 738 (8th Cir. 2012) ("The rule in this circuit is that a
    failure to object to a magistrate judge's report and recommendation
    will not result in a [wholesale] waiver of the right to appeal
    when the questions involved are questions of law or mixed questions
    of law and fact." (alteration in original) (quotation marks and
    citation omitted)); Jones v. Wood, 
    207 F.3d 557
    , 562 n.2 (9th Cir.
    2000) ("Failure to object to a magistrate judge's recommendation
    waives all objections to the judge's findings of fact. However,
    -11-
    In evaluating the lawfulness of the various searches
    that took place at Delgado's residence on February 20, the fruits
    of which Delgado now challenges on appeal, we begin with the
    protective sweep.      The government argues on appeal, as it did
    below, that the protective sweep was lawful in light of the
    circumstances surrounding Delgado's arrest and thus, implicitly,
    that none of the evidence recovered thereafter could be excluded
    as the illegal fruit of that sweep.    We do not agree.
    The Fourth Amendment protects "[t]he right of the people
    to be secure in their persons, houses, papers, and effects, against
    unreasonable searches and seizures."   U.S. Const. amend. IV.   The
    Supreme Court has long held that "physical entry of the home is
    the chief evil against which the wording of the Fourth Amendment
    is directed."    Payton v. New York, 
    445 U.S. 573
    , 585 (1980)
    (quotation marks and citation omitted).   "Because the prophylaxis
    of the Fourth Amendment is at its zenith with respect to an
    individual's home, a warrantless search of a private residence is
    presumptively unreasonable unless one of a few well-delineated
    exceptions applies."    United States v. Infante, 
    701 F.3d 386
    , 392
    (1st Cir. 2012) (quotation marks and citation omitted); see also
    
    Payton, 445 U.S. at 586
    .
    in this circuit, failure to object generally does not waive
    objections to purely legal conclusions." (citation omitted)).
    Thus, our only issues to resolve are ones of law.
    -12-
    One of those exceptions, and the one at issue with
    respect to the initial and indisputably non-consensual search of
    Delgado's residence, is the exception for protective sweeps.   The
    Supreme Court set out the rules governing protective sweeps in
    Maryland v. Buie, 
    494 U.S. 325
    (1990).
    A protective sweep is "a quick and limited search of
    premises, incident to an arrest and conducted to protect the safety
    of police officers or others," that "is narrowly confined to a
    cursory visual inspection of those places in which a person might
    be hiding."    
    Id. at 327.4
      Many protective sweeps take place
    following an arrest within a home. We have also allowed protective
    sweeps, however, when an arrest "occurs just outside the home,"
    because such an arrest "can pose an equally serious threat to
    arresting officers as one that occurs in the home."   United States
    v. Lawlor, 
    406 F.3d 37
    , 41 (1st Cir. 2005).
    Buie instructs that a protective sweep is permissible
    only where there are "articulable facts which, taken together with
    4
    A protective sweep is distinct from the types of searches
    that law enforcement officers may conduct incident to an arrest,
    which can extend only to "the arrestee's person and the area within
    his immediate control." Chimel v. California, 
    395 U.S. 752
    , 763
    (1969) (quotation marks omitted); see also 
    Buie, 494 U.S. at 336
    (citing Chimel, 
    395 U.S. 752
    ). Delgado was arrested on his front
    porch, and the evidence that he seeks to suppress was found in an
    interior room of the home, rather than on his person or in an area
    within his immediate control. Thus, the parties agree that we are
    dealing with a protective sweep governed by the rules set forth in
    Buie.
    -13-
    the    rational    inferences      from   those    facts,    would    warrant    a
    reasonably prudent officer in believing that the area to be swept
    harbors an individual posing a danger to those on the arrest
    scene."     
    Buie, 494 U.S. at 334
    .             In applying this standard, we
    evaluate protective sweeps using the same standard set out in Terry
    v. Ohio, 
    392 U.S. 1
    (1968): "would the facts available to the
    officer at the moment of the . . . search warrant a man of
    reasonable     caution     in   the   belief    that   the   action   taken   was
    appropriate?"       
    Id. at 21-22
    (quotation marks omitted); see also
    
    Buie, 494 U.S. at 334
    ; United States v. Daoust, 
    916 F.2d 757
    , 759
    (1st    Cir.      1990).    "The      reasonable    suspicion    standard       is
    considerably less demanding than the level of proof required to
    support a finding of probable cause, but must be based on more
    than an unfounded speculation." 
    Winston, 444 F.3d at 118
    (citation
    omitted).
    The government relies on three of our prior cases --
    Winston, Lawlor, and Martins -- in which we have upheld protective
    sweeps in contending that the sweep at issue here was lawful. But,
    in each of those cases, the officers undertook the sweep with
    knowledge of facts -- not present here -- that provided them with
    an articulable reason to suspect that some person other than the
    one arrested could be present in the residence and pose a danger
    to officers.
    -14-
    In Winston, 
    444 F.3d 115
    , for example, we upheld a
    protective sweep based on several facts that gave officers reason
    to believe dangerous persons might be present in the defendant's
    residence.   Specifically, the officers had particularized reason
    to believe that the defendant was armed and dangerous.         See 
    id. at 118.
      The defendant had also been indicted along with twenty-five
    others, so officers had reason to believe that he had "numerous,
    potentially armed and dangerous cohorts."     
    Id. at 119.
         And, after
    officers initially knocked on Winston's front door, Winston's
    girlfriend referred them to a neighboring residence, which the
    officers   visited   before   subsequently   returning    to   Winston's
    residence. This deception, we found, "gave any potential occupants
    inside the house five minutes to conceal themselves or prepare an
    ambush."   
    Id. In United
    States v. Lawlor, 
    406 F.3d 37
    (1st Cir. 2005),
    we upheld a protective sweep of a residence when an officer had
    received a report of a gunshot at the scene, believed that two
    individuals lived in the residence and that those individuals were
    engaged in drug-related activities, and had routinely observed
    individuals coming and going from the residence.         See 
    id. at 42.
    In addition, upon arriving at the residence the officer saw
    "drunken combatants" and "spent shotgun shells" outside.         
    Id. And, similarly,
    in United States v. Martins, 
    413 F.3d 139
    (1st Cir. 2005), we upheld a protective sweep of a residence
    -15-
    where a number of facts gave rise to a reasonable belief that an
    individual posing a danger to the officers might have been inside
    the residence.     
    Id. at 151.
       A shooting had just taken place within
    100 yards of the residence.            
    Id. at 150.
        One of the shooting
    victims -- whom officers had reason to believe was a gang member
    -- indicated that an associate of his was in the residence.               
    Id. at 150,
    144.   When the officer knocked on the door of the residence
    and identified himself as a police officer, he heard an adult male
    voice from within the apartment, followed by movement and silence.
    
    Id. at 147.
       When the officer knocked a second time, a young child
    answered the door and stated that he was home alone, suggesting
    that an adult was concealing himself.         
    Id. We stated
    that one of these factors on its own was
    "insufficient to meet the reasonable suspicion benchmark" required
    to justify a protective sweep.           
    Id. at 150.
        But, we concluded
    that "[t]aking these facts in the ensemble -- the high-crime area,
    the shootings, their connection with the apartment, the officer's
    experience and knowledge anent gang behavior, the evasive action
    of the adult known to be present behind the door, and the seeming
    attempt to misinform" -- justified the protective sweep.              
    Id. at 151;
    see also, Solis-Alarcón v. United States, 
    662 F.3d 577
    , 581-
    82 (1st Cir. 2011) (approving protective sweep of defendant's
    residence   when   officers      had   evidence   suggesting   that   a   drug
    trafficker may have also lived in the residence); Crooker v.
    -16-
    Metallo, 
    5 F.3d 583
    , 584 (1st Cir. 1993) (explaining that officers
    were   justified   in   conducting    a   protective   sweep   where   they
    possessed specific facts suggesting that a particular dangerous
    individual was present in the home); cf. 
    Daoust, 916 F.2d at 759
    (upholding   protective    sweep     where   the   officers    "knew   that
    [defendant] had a prior criminal history of violent behavior, [and]
    they knew he owned a handgun, which he kept in a rather unusual
    place in the kitchen").
    Here, however, while the facts are not as egregious as
    they were in United States v. Paradis, 
    351 F.3d 21
    (1st Cir. 2003),
    which involved a protective sweep when officers had unusually good
    reason to know the area swept was empty, there is no evidence that
    could ground the requisite reasonable suspicion comparable to that
    found in the cases just described.        To the contrary, United States
    Postal Inspector Eliezer Julián's testimony indicates that the
    officers did "a lot of 'intel' work" before the arrest, which
    involved "do[ing] surveillance" and gathering "all the information
    available," to "make sure that [law enforcement officers] kn[e]w
    exactly where [they were] going" and to ensure that the execution
    of the arrest was "as safe as possible." Yet there is no indication
    in the testimony that the pre-arrest "intel work" resulted in any
    evidence that another person might be present in the home at the
    time of the arrest, let alone that another dangerous person would
    be.
    -17-
    And, unlike in Lawlor or Martins, the record contains no
    evidence of violence at or near Delgado's apartment.                   In addition,
    unlike in Winston or Daoust, the record contains no evidence that
    officers had particularized reason to think that Delgado was armed
    and dangerous, beyond the general fact that his alleged offense
    involved drug trafficking.5         Similarly unlike in Winston, Lawlor,
    or   Solis-Alarcón,    the    record    does    not    contain       particularized
    evidence that could have led the officers to believe that multiple
    persons would have been present in Delgado's residence.
    In   attempting    to    explain     why     the    information          the
    government did have, prior to the sweep, justified the sweep, the
    government points to the following facts found in the report and
    recommendation:    the   officers      believed       there    to    be     a   general
    relationship between drug trafficking and firearms, and knew that
    Delgado was being arrested for a drug trafficking charge; the
    officers observed that the building which contained Delgado's
    residence   included     an   adjoining       apartment;       and    the       officers
    observed that Delgado's residence was protected by a rebar fence
    5We note that at least one circuit has found that this factor
    is not relevant to the protective sweep inquiry. See United States
    v. Archibald, 
    589 F.3d 289
    , 299 (6th Cir. 2009) ("[A] defendant's
    own dangerousness is not relevant in determining whether the
    arresting officers reasonably believed that someone else inside
    the house might pose a danger to them." (quotation marks and
    citation omitted)). Because we find that the record contains no
    particularized evidence of Delgado's dangerousness, we need not
    reach the question of whether an arrestee's own dangerousness could
    be a factor in the protective sweep analysis.
    -18-
    and   gate        and   had       visible    security      cameras,   thus   potentially
    allowing officers' movements to be tracked by someone inside the
    house.       The government adds that Delgado's immediate voluntary
    surrender outside the residence could have allowed the officers to
    infer that "others were hiding [inside the house] waiting to . . .
    launch a surprise attack on the agents."
    We are not persuaded.            We have never held that because
    the   person        arrested        is    sought    for    drug   trafficking,      it   is
    reasonable to suspect for that reason alone that there may be
    another person in the home who poses a danger to officer safety.
    And we do not see why such a conclusion is reasonable here, when
    Delgado was arrested in Puerto Rico on a New York warrant and the
    government points to no evidence of a link between Delgado's
    alleged drug dealing and the presence of confederates in Puerto
    Rico,       let    alone      a    link     that   would    suggest   any    such   local
    confederate would have been at Delgado's residence between 4:30
    and 5:00 A.M.6           See 
    Archibald, 589 F.3d at 299
    (noting that the
    particular arrest warrant at issue "did not raise concerns that an
    accomplice might be present in [the defendant's] apartment at the
    time of his arrest"); see also United States v. Moran Vargas, 
    376 F.3d 112
    , 116 (2d Cir. 2004) (rejecting the contention that "agents
    6
    The lessee of the apartment adjoining Delgado's house
    testified that, on February 20, 2014, she was awoken between
    4:30 a.m. and 5:00 a.m. by law enforcement's presence at the
    residence.
    -19-
    had a reasonable belief that other people might be in the motel
    room due to their suspicion that [the defendant] was a drug
    courier, their experience that drug couriers often meet up with
    their contacts, and their awareness that drug traffickers are
    frequently armed and dangerous" when "[n]o facts specific to this
    case support[ed] [such] a finding").
    There were, to be sure, nearby residences, including an
    adjoining apartment.       The government does not explain, however,
    why that fact bears on whether anyone besides Delgado who might
    pose a danger to officers was present in Delgado's home, even when
    considered in connection with the reason for Delgado's arrest.
    Nor is there any testimony that the "intel work" that had been
    performed prior to the execution of the arrest warrant suggested
    a reason to conclude that the adjoining apartment made it likely
    for a dangerous confederate of Delagdo's to be present.
    As   for   the    gate   and    rebar   fence,   neither   is    a
    particularly uncommon residential feature.          Nor does the record
    suggest otherwise.     We thus fail to see how either feature, even
    when considered along with the facts already mentioned, provides
    a basis for reasonably suspecting that someone besides Delgado was
    in the house who could pose a threat to the officers.                     See
    
    Archibald, 589 F.3d at 299
    –300 (explaining that the government's
    burden "is not reduced because the officers were unable to view
    the   entire   residence     or    because   they   felt    'particularly
    -20-
    vulnerable' based solely on their location," and that "if, as the
    officers testified, entry into a 'fatal funnel' poses a greater
    risk to law enforcement, the prudent course of action would have
    been to back away from the door, not proceed through it").
    So too do the government's arguments fail with respect
    to the presence of security cameras on the premises.               Security
    cameras may better allow a person within a residence to track
    officers' movements outside. But we fail to see how their presence
    provides officers a reason to believe that there is in fact someone
    else inside a residence.   Nor does anything in the record indicate
    that there is any particular reason to believe that the presence
    of such cameras does indicate that someone besides the person
    arrested was likely to be in the home of the arrestee.         Thus, the
    security cameras, even if considered in connection with the other
    residential features of the home and Delgado's ties to drug
    trafficking, fail to shed any light on the question, under Buie,
    whether "a reasonably prudent officer" was warranted "in believing
    that the area to be swept harbor[ed] an individual posing a danger
    to those on the arrest 
    scene." 494 U.S. at 334
    .
    The   final   point   we   are   asked   to   consider    is   the
    government's argument that Delgado's immediate voluntary surrender
    on the porch allows officers to infer the presence of others lying
    in wait from inside the residence.         But Buie allows a protective
    sweep based on "articulable facts which, taken together with the
    -21-
    rational inferences from those facts, would warrant a reasonably
    prudent officer in believing that the area to be swept harbors an
    individual posing a danger to those on the arrest scene."    
    Id. at 334
    (emphasis added).
    We decline to conclude that, under Buie, it is rational,
    on this record, to infer that Delgado's voluntary surrender outside
    his home supports a belief that confederates were lying inside in
    wait.    And that is so even if we take account of the other facts
    the government identifies in assessing the significance of the
    voluntary surrender.    An arrestee may surrender outside for any
    number of reasons, including a desire to be cooperative, a fear
    that officers will otherwise use physical force against him or his
    property, or a desire to prevent the officers from entering a
    residence and seeing possible contraband inside.
    To be sure, we recognize that the experience of law
    enforcement officers is entitled to deference.     See 
    Martins, 413 F.3d at 150
    n.4.   But, nothing in the testimony of the two officers
    articulates why it was reasonable, in this case, to infer from
    Delgado's surrender on the porch that someone else must have been
    lying in wait inside his home.   Neither officer indicated in their
    testimony that it was either unusual or suspicious that Delgado
    came downstairs and met the officer's outside the front of the
    house.   To the contrary, the testimony reflects that the officers
    initially sought to break through the rebar fence but then stopped
    -22-
    and waited -- albeit while calling for him to hurry up -- once
    Delgado opened a window and told the officers that he was on his
    way and would open the door.
    The government relies on Winston, 
    444 F.3d 115
    , to argue
    that Delgado's "voluntary surrender outside the home 'could lead
    a reasonable agent to believe that it was part of a scheme to lead
    the agents away from the [house] because others were hiding there
    waiting to escape or launch a surprise attack on the agents.'"
    (quoting 
    Winston, 444 F.3d at 119
    ).         But the facts of Winston do
    not support the assertion.
    In that case, federal agents arrived at Winston's home
    to arrest him and saw his car in the driveway.        
    Id. at 117.
       When
    the agents knocked on the door, Winston's girlfriend answered and
    denied knowing to whom the car belonged.        
    Id. She suggested
    that
    the agents inquire next door.       
    Id. The agents
    did so, but no one
    answered.    Approximately five minutes later, the agents knocked
    again at Winston's door.      
    Id. This time,
    they pushed past the
    girlfriend into the house.    
    Id. When they
    shouted Winston's name,
    he responded, "Up here."     
    Id. The agents
    then found and arrested
    him at the top of a staircase.       
    Id. We found
    that a protective sweep was reasonable.        But we
    did so because "the deceptive actions of Winston's girlfriend . . .
    gave any potential occupants inside the house five minutes to
    conceal themselves or prepare an ambush," and because Delgado's
    -23-
    "casual response inviting [the agents] upstairs was unusual,"
    "given that Winston knew that agents had forcibly entered his
    house," and thus "could lead a reasonable agent to believe that
    [these actions were] part of a scheme to lead the agents away from
    the basement because others were hiding there waiting to escape or
    launch a surprise attack on the agents."   
    Id. The facts
    here are hardly comparable.   Nor, as we have
    mentioned, does any testimony from officers on the scene support
    the government's assertion in its brief that Delgado's voluntary
    surrender outside the home was in its nature reasonably viewed as
    part of a scheme to lead the agents away from the house because
    others were preparing inside to launch a surprise attack on the
    agents.
    In sum, there were not articulable facts -- even when
    considered as a whole -- supporting the presence of another
    individual in Delgado's residence.7    To be sure, the government
    did not know for certain that no one else would be in Delgado's
    residence who might pose a danger.    But "[l]ack of information
    cannot provide an articulable basis upon which to justify a
    protective sweep."   United States v. Colbert, 
    76 F.3d 773
    , 778
    7 We note also that an officer testified that a protective
    sweep of a residence is standard practice when making an arrest,
    at least, apparently in a case involving narcotics. That testimony
    hardly suffices to show that the sweep was based on specific
    articulable facts about safety concerns that existed at the time
    of the sweep.
    -24-
    (6th Cir. 1996).       For while "there could always be a dangerous
    person concealed within a structure[,] . . . that in itself cannot
    justify a protective sweep, unless such sweeps are simply to be
    permitted as a matter of course, a result hardly indicated by the
    Supreme Court in Buie."      United States v. Carter, 
    360 F.3d 1235
    ,
    1242–43 (10th Cir. 2004).8
    C.
    Having found the protective sweep unlawful, we next must
    address    Delgado's    contention,        raised   only   in   his   pro   se
    supplemental brief, that all of the evidence that was recovered
    during and following the sweep -- and thus both the magazine
    recovered during the sweep itself and the loaded firearm that was
    recovered in a separate search of the dresser inside his home --
    must be excluded as the fruit of the unlawful sweep.                  We agree
    with Delgado on this point, too.
    "[T]he indirect fruits of an illegal search or arrest
    should    be   suppressed   when   they      bear   a   sufficiently     close
    relationship to the underlying illegality."             New York v. Harris,
    8 A finding that the protective sweep was unlawful is also
    reason to reject the government's argument that the admission of
    the firearm was, if erroneous, harmless error.      The government
    argues harmlessness on the ground that the magazine alone was
    sufficient to convict Delgado.     But it is undisputed that the
    magazine was recovered during the protective sweep, so a finding
    that the protective sweep was unlawful forecloses the government's
    harmlessness argument, given that the government raised no
    argument as to why the magazine would not then be a fruit of the
    unlawful protective sweep.
    -25-
    
    495 U.S. 14
    , 19 (1990). Or, put otherwise, "[t]he question whether
    evidence obtained after an illegal search should be suppressed"
    depends on whether "the evidence to which . . . objection is made
    has been come at by exploitation of that illegality or instead by
    means sufficiently distinguishable to be purged of the primary
    taint.'"     United States v. Finucan, 
    708 F.2d 838
    , 843 (1st Cir.
    1983) (quoting Wong Sun v. United States, 
    371 U.S. 471
    , 488 (1963))
    (ellipsis in original).
    In    considering   whether    the   indirect      fruits    of    an
    unlawful action by law enforcement should be suppressed, courts
    have considered several factors.       The Supreme Court has noted that
    "[n]o single fact is dispositive," but that "temporal proximity,"
    "the presence of intervening circumstances," and "the purpose and
    flagrancy of the official misconduct" are all relevant to the taint
    inquiry. See Brown v. Illinois, 
    422 U.S. 590
    , 603-04 (1975). 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."       United States v. Cordero-Rosario, 
    786 F.3d 64
    , 76 (1st Cir. 2015).
    Applying    these   principles,      it    is    clear   that     our
    conclusion that the protective sweep was unlawful requires that
    the magazine found during that sweep be excluded from evidence, as
    -26-
    it is an unlawful fruit of the protective sweep.             In fact, the
    government does not even make an argument as to how the conclusion
    could be otherwise.
    We also agree with Delgado that the loaded firearm, which
    was found during a search of a dresser in Delgado's home that
    followed the protective sweep, must be excluded.            Here, too, the
    government does not make any separate argument that the search of
    the dresser, which revealed the loaded firearm, was not tainted.
    Instead, the government merely contends that the search of the
    dresser that followed the unlawful sweep was consensual.          But that
    contention is beside the point.      For while it is true that, under
    our   precedent,   Delgado's    voluntary   response   to    Díaz-Vargas's
    question, in which Delgado said that there was a firearm in the
    dresser, would ordinarily suffice to allow officers to search the
    dresser, see United States v. Reynolds, 
    646 F.3d 63
    , 73 (1st Cir.
    2011) ("It was reasonable for the district court to find that [the
    defendant's] gesture to the headboard when answering 'yes' to
    whether   she   had   weapons    demonstrated   that   [the     defendant]
    understood the police officer intended not only to learn of the
    existence of the weapons, but also to find them."); see also
    
    Winston, 444 F.3d at 121
    , that voluntary response followed what we
    have now determined to be an unlawful protective sweep.
    The question, then, is whether that consent was tainted
    by the unlawful protective sweep, such that the evidence turned up
    -27-
    in the search is an illegal fruit.                To answer that question, we
    must    "determine      whether   the   causal     link   between    [the]   prior
    unlawful search and consent (voluntary though it may have been) to
    [the] subsequent search is so tight that the evidence acquired
    pursuant to that consent must be suppressed."                    
    Cordero-Rosario, 786 F.3d at 76
    (citing United States vs. Navedo-Colón, 
    996 F.2d 1337
    , 1339 (1st Cir. 1993)).
    Based on the record developed at the hearing below at
    which the question of the protective sweep's lawfulness was fully
    addressed,      the    causal   link    between    the    protective   sweep    and
    Delgado's consent to search the dresser is quite strong.                        The
    record contains no indication that Díaz-Vargas or any other officer
    would    have   asked    Delgado   whether     there      were   weapons   in   the
    residence -- and no evidence that Delgado would have voluntarily
    revealed the firearm's existence and location -- if not for the
    protective sweep which occurred mere minutes before Díaz-Vargas
    asked Delgado about possible weapons.                See 
    Cordero-Rosario, 786 F.3d at 76
    .           And the government makes no argument as to why
    Delgado's consent was not the tainted fruit of the unlawful sweep.
    The government does make two further arguments -- each,
    for the first time on appeal -- as to why the loaded firearm is
    admissible even if the protective sweep was unlawful.                  But, even
    if we were to address those contentions despite their not having
    -28-
    been raised below, see United States v. Elwell, 
    984 F.2d 1289
    ,
    1298 (1st Cir. 1993), neither has merit.
    The government first contends that we may affirm the
    suppression ruling on the ground that, in light of the Magistrate
    Judge's     finding    that    Delgado     later       freely    and    voluntarily
    consented to a search of the full residence, the loaded firearm
    would have been inevitably discovered.                The government thus argues
    that Delgado's consent to the full-residence search "cured any
    possible illegality in the earlier limited search of his dresser
    drawer during which officers retrieved the loaded firearm."
    Under the inevitable discovery doctrine, however, "[t]he
    government     bears     the   burden     of     showing,       by   reference      to
    demonstrated    historical      facts    and     by    a   preponderance     of    the
    evidence, that the information or item would inevitably have been
    discovered by lawful means."            United States v. Infante-Ruiz, 
    13 F.3d 498
    , 503 (1st Cir. 1994) (quotation marks and citation
    omitted).     And, in evaluating whether the government has met this
    burden, we consider whether "the lawful means of [evidence's]
    discovery     are     independent   and        would    necessarily      have     been
    employed"     absent     the   earlier     unlawful        search,     and   whether
    "discovery by that [lawful] means is in fact inevitable."                       United
    States v. Zapata, 
    18 F.3d 971
    , 978 (1st Cir. 1994).                    We review the
    District Court's factual findings as they relate to inevitable
    discovery for clear error, and review legal conclusions as to the
    -29-
    inevitable discovery issue de novo.     United States v. Almeida, 
    434 F.3d 25
    , 27 (1st Cir. 2006).9
    In   applying   the   inevitable   discovery   doctrine   to
    Delgado's case, we must consider whether the government has met
    its burden of showing that Delgado would inevitably have freely
    consented to a search of his home -- thereby resulting in the
    discovery of the magazine and the loaded firearm -- even if there
    had been no unlawful protective sweep.     But this burden is not one
    that the government has met.
    The Magistrate Judge did find that Delgado cooperated
    with law enforcement throughout the encounter, a fact that perhaps
    lends some support to the view that Delgado may have consented to
    the search of the residence even if the protective sweep had not
    occurred. But the Magistrate Judge did not find that Delgado would
    have freely consented to a search of his residence even if the
    earlier protective sweep had not occurred.    Nor did the government
    below attempt to make the case that Delgado would have done so.
    9 Neither the government nor Delgado discussed inevitable
    discovery in their filings below or at the suppression hearing.
    While this may suggest that remand would be appropriate with
    respect to the inevitable discovery issue, remand is not necessary
    here. The government does not ask for a remand in the event that
    we reach the inevitable discovery issue, and instead fully briefs
    it. As we have already noted, the burden of showing that the
    firearm would have inevitably been discovered, even without the
    unlawful protective sweep, rests with the government. See Infante-
    
    Ruiz, 13 F.3d at 503
    .
    -30-
    We reject the government's contention that the record sufficiently
    shows that Delgado's consent to the full-residence search was not
    significantly influenced by the fact that officers had already
    recovered the magazine.    After all, he had already told officers
    that a firearm was in a dresser drawer in his residence, and had
    done so following a protective sweep during which the magazine was
    in plain view.    Nothing in the record suggests Delgado was not
    aware that the magazine was in plain view during the protective
    sweep or that Delgado would have admitted to having a firearm
    regardless of that fact.    As the search for the firearm in the
    dresser was tainted by the protective sweep in light of the
    magazine's presence in plain view, we do not see how Delgado's
    consent to do the full-residence search was not significantly
    influenced by the fact that Delgado knew the protective sweep had
    occurred.
    In other words, the government's inevitable discovery
    argument rests on speculation about what Delgado would have done
    had the events of that day proceeded differently.        But, the
    government cites no authority to support its view that we must
    credit such speculation, which we consider here even without a
    finding below accepting the government's view.       Instead, the
    government cites only one case in its discussion of inevitable
    discovery for the proposition that the government can meet its
    burden based on speculation about how a suspect or defendant would
    -31-
    have acted had an earlier unlawful search not taken place.                And
    that case is an out-of-circuit district court case with facts very
    different from this one.      See United States v. Wai-Keung, 845 F.
    Supp. 1548, 1560-61 (S.D. Fla. 1994) (concluding that an individual
    would have consented to a search of his car even absent an
    allegedly   unlawful    search    the   previous    day,   given   that   the
    individual in fact consented while having no knowledge of the
    previous day's allegedly unlawful search).           As a result, we find
    that the government has failed to carry its burden of showing that
    the discovery of the loaded firearm would have been inevitable,
    even absent the unlawful protective sweep.           See Infante-
    Ruiz, 13 F.3d at 503
    .
    The government's other never-before-raised argument as
    to why we must affirm the suppression ruling is that exigent
    circumstances justify the retrieval of the loaded firearm from the
    dresser.     In   so   arguing,    however,   the   government     does   not
    acknowledge that the officers' only source of knowledge about the
    firearm     --    Delgado's      statement    of    its    existence      and
    location -- was tainted by the unlawful protective sweep.           And, in
    the only case that the government cites in support of its exigent
    circumstances argument, which featured the threat of a suspect
    detonating bombs located within a residence rather than a firearm
    in a dresser drawer in an apparently empty home, United States v.
    Lindsey, 
    877 F.2d 777
    (9th Cir. 1989), the officers' knowledge of
    -32-
    the   potentially   exigent     circumstance    was    not    challenged    as
    potentially   tainted.     As   a   result,    we   decline   to   adopt    the
    government's exigent circumstances argument.
    III.
    For   these   reasons,    the   District    Court's     denial    of
    Delgado's motion to suppress is reversed, and the case is remanded
    to the District Court.
    -33-