United States v. Doe ( 1995 )


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    UNITED STATES COURT OF APPEALS
    FOR THE FIRST CIRCUIT

    ____________________

    No. 94-1096

    UNITED STATES OF AMERICA,

    Appellee,

    v.

    JOHN DOE, a/k/a GERONIMO PIZARRO-CALDERON,

    Defendant, Appellant.

    ____________________


    APPEAL FROM THE UNITED STATES DISTRICT COURT

    FOR THE DISTRICT OF PUERTO RICO

    [Hon. Carmen C. Cerezo, U.S. District Judge] ___________________

    ____________________

    Torruella, Chief Judge, ___________

    Aldrich, Senior Circuit Judge, ____________________

    and Cyr, Circuit Judge. _____________

    ____________________



    Rafael D. Castro Lang for appellant. _____________________
    Jos A. Quiles-Espinosa, Senior Litigation Counsel, with whom _________________________
    Guillermo Gil, United States Attorney, and Ernesto Hern ndez-Mil n, _____________ ________________________
    Assistant United States Attorney, were on brief for appellee.


    ____________________

    August 4, 1995
    ____________________


















    CYR, Circuit Judge. Appellant Geronimo Pizarro-Cald- CYR, Circuit Judge. _____________

    eron ("Pizarro") contends that the district court erred in

    refusing to suppress six block-like articles packaged in

    opaque beige and brown tape which ultimately led to his

    conviction for possessing cocaine with intent to distribute in

    violation of 21 U.S.C. 841(a)(1) (1993). We reverse.


    I I

    BACKGROUND BACKGROUND __________

    The district court adopted the findings recommended by

    the magistrate judge who conducted the suppression hearing. On

    January 8, 1993, Security Officer Gladys Martinez del Valle

    ("Martinez") was screening passengers and monitoring their carry-

    on luggage for weapons and explosives at a security checkpoint in

    the Isla Verde Airport terminal. See 14 C.F.R. 107.20 (1995) ___

    (Federal Aeronautics Administration ("FAA") regulation mandating

    screening requirements for carry-on luggage), 107.21 (banning

    unauthorized possession of any "explosive, incendiary, or deadly

    or dangerous weapons" beyond airport checkpoints). Prominent

    signs forewarned passengers, in English and Spanish, that their

    persons and carry-on luggage were subject to screening and search

    for weapons and explosives. Security screeners normally use x-

    ray machines to scan all carry-on luggage; metal detectors and

    hand scanners to screen passengers.

    While tending the x-ray monitor, Martinez noticed a

    carry-on bag containing an unidentifiable dark object. She had

    been trained to regard such dense, nonreflective objects as

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    possible camouflage for weapons or explosives. Upon questioning

    by Martinez, appellant Pizarro stated that the carry-on bag

    belonged to him, and the nonreflective objects inside were gift

    boxes containing "figurines." Concerned that the figurines

    reflected no distinguishable silhouette on the x-ray monitor,

    Martinez asked Pizarro to open the carry-on bag. When Pizarro

    "sort of hesitated," United States Department of Agriculture

    Inspector Jos Mercado, working beside Martinez, directed Pizarro

    to open the carry-on bag, then summoned a local law enforcement

    officer, Juan Avil s, to the security checkpoint.1

    Pizarro opened the carry-on bag in the presence of

    Martinez, Officer Avil s, and Inspector Mercado, revealing a box

    wrapped in Christmas paper. The box contained a layer of sani-

    tary napkins, a layer of dark blue paper and, finally, six blocks

    wrapped in opaque beige and brown tape. A nineteen-year veteran

    of the Puerto Rico Police, Officer Avil s immediately suspected

    that the concealed blocks contained cocaine. Whereupon he seized

    the carry-on bag and its contents, then arrested and handcuffed

    Pizarro.2
    ____________________

    1Officer Avil s was employed by the airport administration
    to patrol the security checkpoint area and respond to incidents
    encountered by screeners and inspectors, in accordance with FAA
    regulations requiring the presence of a local law enforcement
    official. See 14 C.F.R. 107.15. ___

    2At about the same time, Martinez noticed another nonreflec-
    tive object on the x-ray monitor, similar to the one observed in
    Pizarro's carry-on bag. The passenger in line behind Pizarro
    Ariel Figueroa-Cruz claimed ownership of the second bag, which
    was found to contain two Christmas gift boxes similar to the one
    Pizarro had been carrying. Without opening the gift boxes,
    Officer Avil s placed Figueroa under arrest, and transported both

    3












    After placing Pizarro in an airport police-station

    cell, Avil s contacted the United States Drug Enforcement Admin-

    istration ("DEA"). Shortly thereafter, DEA agents tested the

    blocks by piercing their opaque wrappings; the contents tested

    positive for cocaine. In due course, Pizarro was indicted for

    possessing six kilograms of cocaine with intent to distribute, in

    violation of 21 U.S.C. 841(a)(1), (b)(1)(A).

    Pizarro moved to suppress the test results and the

    cocaine, on the ground that the warrantless searches of the

    carry-on bag and the containers inside it (i.e., the Christmas

    box and the blocks enclosed in intact, opaque wrapping) violated

    the Fourth Amendment to the United States Constitution. The

    government successfully defended the challenged DEA testing as a

    mere continuation of the administrative search aimed at ensuring

    airline security. See United States v. Pizarro-Calderon, 829 F. ___ _____________ ________________

    Supp. 511, 515 (D.P.R. 1993). Following a jury trial, Pizarro

    was convicted and sentenced.


    II II

    DISCUSSION DISCUSSION __________

    The government must demonstrate that the warrantless

    DEA testing of the enclosed blocks either entailed no Fourth

    Amendment search or came within some recognized exception to the

    warrant requirement. See, e.g., United States v. Doward, 41 F.3d ___ ____ _____________ ______

    ____________________

    suspects to the airport police station. See United States v. ___ _____________
    Figueroa-Cruz, 822 F. Supp. 853 (D.P.R. 1993); infra note 9 and _____________ _____
    accompanying text.

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    789, 791 (1st Cir. 1994).3 The government contends that the

    carry-on bag initially was opened and searched at the airport

    security checkpoint pursuant to a lawful administrative search

    for weapons and explosives. See, e.g., United States v. Skip- ___ ____ ______________ _____

    with, 482 F.2d 1272, 1277-78 (5th Cir. 1973) (holding that ____

    inadvertent discovery of evidence of criminal activity in course

    of lawful security search for weapons at airport checkpoint does

    not violate Fourth Amendment). Further, it argues, once Pi-

    zarro's carry-on bag and the Christmas gift box lawfully had been

    opened for security purposes, it was proper to seize and open the

    packaged blocks thereby exposed to Avil s' "plain view." See ___

    Coolidge v. New Hampshire, 403 U.S. 443, 466 (1971). ________ _____________

    Pizarro protests on both counts. First, he says,

    carry-on luggage screenings must be confined to ferreting out

    threats to airline security (i.e., weapons and explosives used in

    air piracy), whereas the customary presence of Officer Avil s at

    the security checkpoint permitted an inference that security

    concerns were a mere subterfuge for intercepting contraband

    posing no threat to airline security. Second, even assuming

    probable cause to seize the suspicious blocks, a search warrant

    was required before the intact, opaque packaging enclosing the

    blocks could be pierced to test for cocaine.
    ____________________

    3The Fourth Amendment is implicated even though airport
    security checkpoints are manned by nongovernmental personnel,
    since the FAA prescribes extensive administrative directives.
    See United States v. Davis, 482 F.2d 893, 896-97 (9th Cir. 1973); ___ _____________ _____
    see also Air Transportation Security Act of 1974, Pub. L. No. ___ ____
    93-366, 88 Stat. 415 (1974) (codified as amended at 49 U.S.C.
    1356, 1357, 1371, 1372, 1472, 1516); 14 C.F.R. 108.9.

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    A. The Searches and Seizure at the Security Checkpoint4 A. The Searches and Seizure at the Security Checkpoint ___________________________________________________

    Pizarro argues that the warrantless search of the

    carry-on bag violated his Fourth Amendment rights, ab initio, __ ______

    since the customary presence of Avil s at the checkpoint subvert-

    ed an otherwise lawful airline security screening into a warrant-

    less general search for contraband (viz., cocaine) unrelated to

    airline security. The district court found that

    the search was conducted by a security agent
    at the airport, and that the local police
    officer was summoned to the site of the
    search only after the initial X-ray scan did _____
    not rule out the presence of either weapons
    or explosives in defendant's luggage, requir-
    ing the presence of additional security.

    Pizarro-Calderon, 829 F. Supp. at 514 (emphasis added). ________________

    Routine security searches at airport checkpoints pass

    constitutional muster because the compelling public interest in

    curbing air piracy generally outweighs their limited intrusive-

    ness. See, e.g., United States v. Pulido-Baquerizo, 800 F.2d ___ ____ ______________ ________________

    899, 902 (9th Cir. 1986); cf. United States v. Ferrer, 999 F.2d ___ _____________ ______

    7, 9 (1st Cir. 1993) (upholding warrantless search of checked

    luggage on alternate ground of "abandonment," but faulting

    government's "falling-domino approach, by which each intrusion

    diminishes privacy expectations enough to permit further in-

    fringements"). Consequently, all carry-on luggage can be sub- ___

    jected to initial x-ray screening for weapons and explosives
    ____________________

    4The factual findings underlying a suppression ruling are
    reviewed for clear error. United States v. Lewis, 40 F.3d 1325, _____________ _____
    1332-33 (1st Cir. 1994). Related rulings of law, including the
    "reasonableness" of a particular warrantless search, are accorded
    plenary review. Id. ___

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    without offending the Fourth Amendment. In the event the initial

    x-ray screening is inconclusive as to the presence of weapons or

    explosives, the luggage may be hand-searched as reasonably

    required to rule out their presence. Pulido-Baquerizo, 800 F.2d ________________

    at 902.

    Other contraband inadvertently discovered during a

    routine checkpoint search for weapons and explosives may be

    seized and introduced in evidence at trial even though unrelated

    to airline security. See, e.g., Skipwith, 482 F.2d at 1277-78. ___ ____ ________

    On the other hand, lawful airline security searches of carry-on

    luggage may not be enlarged or tailored systemically to detect

    contraband (e.g., narcotics) unrelated to airline security. See, ____ ___

    e.g., United States v. $124,570 U.S. Currency, 873 F.2d 1240, ____ ______________ _______________________

    1243-45 (9th Cir. 1989) (upholding suppression of contraband

    unrelated to airline security where screeners were rewarded

    monetarily by law enforcement authorities for detecting such

    contraband in carry-on luggage).

    As we conclude that the government failed to demon-

    strate that the subsequent warrantless search of the packaged __________

    blocks by the DEA satisfied the Fourth Amendment warrant require-

    ment, see infra Section II.B, for present purposes we simply ___ _____

    assume arguendo that the carry-on bag and the Christmas box were ________

    subjected to lawful airport administrative searches.

    B. The Subsequent DEA Searches of the Seized Blocks B. The Subsequent DEA Searches of the Seized Blocks ________________________________________________

    The district court upheld the warrantless penetration

    of the opaque packaging enclosing the seized blocks on the ground


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    that the DEA tests were "not . . . search[es] per se" but merely ___ __

    "more thorough examination[s] of the objects which had already

    been lawfully seized." Pizarro-Calderon, 829 F. Supp. at 515. ________________

    We cannot agree.

    The uncontroverted evidence reveals that until the DEA

    agents conducted their field tests, the opaque packaging enclos-

    ing the six blocks remained intact, precluding any "plain view"

    of their contents such as might permit a warrantless search in

    the absence of exigent circumstances. See, e.g., United States ___ ____ _____________

    v. Miller, 769 F.2d 554, 558 (9th Cir. 1985) (poking finger ______

    through plastic bag containing white powder, or cutting into

    opaque fiberglass container inside plastic bag, constitutes

    "search" requiring warrant, where both "containers were original-

    ly packed inside suitcase"). Thus, regardless whether the

    packaged blocks could have been subjected to lawful warrantless

    search at the security checkpoint, the question with which we are __ ___ ________ __________

    presented is whether a warrant was required before the packaging

    enclosing the blocks could be pierced once the blocks had been

    seized and removed from the security checkpoint. The government _______ ____ ___ ________ __________

    neither cites, nor have we found, any case upholding a warrant-

    less administrative search for contraband unrelated to airline

    security concerns, absent exigent circumstances, consent, a

    finding of "virtual certainty," or some other recognized excep-

    tion to the warrant requirement.5
    ____________________

    5The government does not contend that the packaged blocks,
    once removed from the checkpoint area, were subject to warrant-
    less search for explosives. See Skipwith, 482 F.2d at 1277 ___ ________

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    Although probable cause, as well as exigent circum-

    stances, may support the warrantless seizure of an enclosed _______

    opaque container, see Texas v. Brown, 460 U.S. 730, 743 (1983) ___ _____ _____

    (involving validity of warrantless seizure of tied-off balloon _______

    containing drugs), the same probable-cause showing is not neces- ____

    sarily sufficient to justify its subsequent warrantless search. ______

    Id. at 749-51 (Stevens, J., concurring); United States v. Chad- ___ _____________ _____

    wick, 433 U.S. 1, 13-14 n.8 (1977); Miller, 769 F.2d at 558; cf. ____ ______ ___
    ____________________

    (noting that modern technology permits hijacker to conceal
    plastic explosives in container no larger than a toothpaste
    tube). Moreover, any exigency adequate to support a warrantless
    search for explosives lapsed at or about the time of Pizarro's
    arrest, since he obviously would not be permitted to remain at
    large in the airport or to board an aircraft. Likewise, any
    finding of exigency is totally belied by Aviles' subjective
    belief that the blocks contained cocaine and by their unhurried
    removal to the police station for DEA field-testing.
    There is no evidence or contention that screeners, pursuant
    to practice or regulation, customarily open packages of this type
    or size to check for weapons or explosives, notwithstanding the _______________ ___
    prior arrest of the passenger, and the seizure of the carry-on _____ ______ __ ___ _________ ___ ___ _______ __ ___ ________
    luggage and its contents, based on conduct unrelated to airline _______ ___ ___ ________
    security. Cf. Nix v. Williams, 467 U.S. 431, 444 (1984) (noting ___ ___ ________
    doctrine of "inevitable discovery," whereby "prosecution can
    establish by a preponderance of the evidence that the [evidence]
    ultimately or inevitably would have been discovered by lawful
    means" even if unlawful search had not occurred); United States ______________
    v. Hernandez-Cano, 808 F.2d 779, 783 (11th Cir. 1987) (noting ______________
    testimony from party conducting lawful search that but for
    intervention of unlawful search procedure, she would have contin-
    ued search of luggage until she found suspicious package).
    Finally, the evidence precluded a contention that the DEA
    testing was incident to Pizarro's arrest, see Chimel v. Califor- ___ ______ ________
    nia, 395 U.S. 752 (1969), since the blocks had been removed from ___
    the arrest scene and from the presence of the arrestee. See ___
    United States v. Chadwick, 433 U.S. 1, 15 (1977) (noting that _____________ ________
    "[e]ven though . . . the issuance of a warrant by a judicial
    officer was reasonably predictable, a line must be drawn";
    invalidating foot-locker search remote in time and place from
    arrest); United States v. $639,558, 955 F.2d 712 (D.C. Cir. 1992) _____________ ________
    (same). But cf. United States v. Johns, 469 U.S. 478, 483 (1985) ___ ___ _____________ _____
    (finding no comparable contemporaneity requirement under automo-
    bile exception to warrant requirement).

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    United States v. Jacobsen, 466 U.S. 109, 114 (1984) (upholding _____________ ________

    seizure to prevent loss or destruction of contraband, but noting

    that "Fourth Amendment requires that [the police] obtain a

    warrant before examining contents of such a package").6 These

    discrete treatments stem from the recognition that seizure

    temporarily deprives the defendant of a possessory interest only, __________

    whereas a search entails an intrusion upon privacy interests as _______

    well. See generally Segura v. United States, 468 U.S. 796, 806 ___ _________ ______ _____________

    (1984). Normally, therefore, once an exigency ends, as by an

    arrest or the seizure and custodial retention of a container by

    the police, a neutral judicial officer must authorize any subse- _______ ________ _______

    quent search on a showing of probable cause. United States v. _____________

    Soule, 908 F.2d 1032, 1040 (1st Cir. 1990) (citing Shadwick v. _____ ________

    City of Tampa, 407 U.S. 345, 350 (1972)). _____________

    Although the government was required to show that any

    warrantless search was valid under an exception to the warrant

    requirement, see Doward, 41 F.3d at 791; United States v. ___ ______ ______________

    Rutkowski, 877 F.2d 139, 141 (1st Cir. 1989), it has not attempt- _________

    ed to demonstrate that the warrantless piercing of the packaged

    blocks was either an integral part of the security-checkpoint

    search or came within any other exception to the warrant require-

    ment. The government instead simply concludes, as did the

    district court, see Pizarro-Calderon, 829 F. Supp. at 515, and ___ ________________

    without argumentation or citation to authority, that the warrant-
    ____________________

    6Chadwick has been overruled only as to closed containers ________
    seized from inside an automobile. See California v. Acevedo, 500 __________ ___ __________ _______
    U.S. 565 (1991).

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    less piercing of the packaged blocks at the police station was

    simply an extension of the hand-search initiated at the check-

    point. But see supra note 5. Moreover, the government does not ___ ___ _____

    pretend that the DEA agents pierced the packaged blocks for any

    purpose other than to test for illicit drugs.7 Thus, although
    ____________________

    7The cases cited in the magistrate-judge's report and
    recommendation are inapposite to the DEA search in the present
    case. See Pizarro-Calderon, 829 F. Supp. at 616 (citing United ___ ________________ ______
    States v. Herzbrun, 723 F.2d 773 (11th Cir. 1984); United States ______ ________ _____________
    v. Wehrli, 637 F.2d 408 (5th Cir. 1981); United States v. De- ______ ______________ ___
    Angelo, 584 F.2d 46 (4th Cir.), cert. denied, 440 U.S. 935 ______ _____ ______
    (1978); United States v. Homburg, 546 F.2d 1350 (9th Cir. 1976); _____________ _______
    United States v. Williams, 516 F.2d 11 (2d Cir. 1975)). Even _____________ ________
    assuming that airport security checkpoint searches are justified
    on the ground that the passenger's "implied consent" is irrevoca-
    ble, but see Wayne R. Lafave, Search and Seizure: A Treatise on ___ ___ _________________________________
    the Fourth Amendment 10.6(c), 10.6(g), at 16-17, 31-33 (2d ed. ____________________
    1987), thus permitting screeners to search throughout the carry-
    on bag and all closed containers within it, the passenger's
    implied "consent" nonetheless would be limited to permitting _______
    searches for the purpose of detecting weapons and explosives. ___ ___ _______ __ _________ _______ ___ __________
    See Florida v. Jimeno, 500 U.S. 248, 252 (1991) (noting that ___ _______ ______
    warrantless "consent"-based searches are limited in scope by the _____
    terms of defendant's consent); see also, e.g., Wehrli, 637 F.2d _____ ___ ____ ____ ______
    at 409 (noting that screener's "task [was] to insure that Weh-
    rli's bag was devoid of skyjacking weapons," and the search "did
    not range beyond an area reasonably calculated to discover __________ __________
    dangers to air safety") (emphasis added); DeAngelo, 584 F.2d at ________
    47-48 (holding that passenger impliedly consents to full search
    of luggage, and if it "should be considered necessary to assure
    the safety of the travelling public, [the passenger] should be
    required to submit to it for that purpose") (emphasis added); ___ ____ _______
    Williams, 516 F.2d at 12 (inquiring into "the bounds of any ________ ______
    implied consent," but noting that bags of cocaine were found
    alongside a metal canister, so that screener might reasonably
    think white powder was explosive, rather than cocaine) (emphasis
    added).
    By contrast, Avil s admitted that he delivered the blocks to
    the DEA for the very purpose of detecting narcotics. In these
    circumstances once the focus of the search shifted from the
    detection of weapons to the detection of narcotics a warrant
    was required unless the ensuing search came within another recog-
    nized exception to the warrant requirement. Cf. Jacobsen, 466 ___ ________
    U.S. at 118-22 (noting that DEA did not need a search warrant to
    open a closed container to perform a field test on contents
    because the contents had already been disclosed by a prior _______

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    we may affirm the denial of a suppression motion on any ground

    supported by the record, see, e.g., Soule, 908 F.2d at 1036 n. 7, ___ ____ _____

    the legal theories relied on by the government have led to a

    dearth of record evidence not to mention argumentation to

    support such an exercise of discretion.8
    ____________________

    "private party" search of that container); Herzbrun, 723 F.2d at ________
    775 (noting that law enforcement officials obtained search
    warrant for bag after defendant withdrew from checkpoint, even
    though their search followed an aborted checkpoint search for _______
    weapons which might have uncovered same evidence (i.e., coc-
    aine)).

    8Avil s conceded at the suppression hearing, and the magis-
    trate judge later found, that the contents of the blocks could
    not have been "known" from their outward appearance. Thus, given
    the undisputed evidence that the blocks were completely enclosed
    in opaque packaging which had to be pierced even for field- _______
    testing, the government's unexplicated statement that the cocaine
    was in Avil s' "plain view" at the checkpoint must be premised on
    something more illuminating than its rose-colored perception.
    Nor has the government attempted to argue that the outward
    appearance of the blocks, or the context in which they were
    seized, so "clearly announce[d]" the nature of their contents
    that it was a "virtual certainty" that they contained cocaine.
    See Arkansas v. Sanders, 442 U.S. 753, 764-65 n.13 (1979); see ___ ________ _______ ___
    also Texas, 460 U.S. at 761 (Stevens, J., concurring); United ____ _____ ______
    States v. Corral, 970 F.2d 719, 725 (10th Cir. 1992) (contents ______ ______
    must be "foregone conclusion"). But see Miller, 769 F.2d at 560- ___ ___ ______
    61 (squarely rejecting prosecution argument that no warrant was
    needed to search a lawfully-seized plastic bag containing an
    opaque fiberglass vial filled with cocaine, both of which had
    been lawfully seized from defendant's suitcase); United States v. _____________
    Donnes, 947 F.2d 1430, 1439 (10th Cir. 1991) (adopting Miller ______ ______
    approach); accord United States v. Cardona-Rivera, 904 F.2d 1149, ______ _____________ ______________
    1155 (7th Cir. 1990); cf. United States v. Prandy-Binett, 995 ___ _____________ _____________
    F.2d 1069 (D.C. Cir. 1993) (upholding seizure of package wrapped _______
    in opaque duct tape based on probable cause), cert. denied, 114 _____ ______
    S. Ct. 1196 (1994); United States v. Barrios-Moriera, 872 F.2d 12 _____________ _______________
    (2d Cir.) (same), cert. denied, 493 U.S. 953 (1989). We think it _____ ______
    would be imprudent in the present vacuum either to embrace or
    reject for the first time a "virtual certainty" exception
    to the warrant requirement.
    Nor has the government suggested that the DEA testing should
    be upheld under the "inventory search" exception to the warrant
    requirement. Compare, e.g., Colorado v. Bertine, 479 U.S. 367, _______ ____ ________ _______
    371 (1987) (even closed containers may be opened pursuant to

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    The litigation strategy adopted by the government seems

    especially remarkable considering the portentous district court

    opinion previously entered in the companion case, United States _________ _____________

    v. Figueroa-Cruz, 822 F. Supp. 853 (D.P.R. 1993); see supra note _____________ ___ _____

    2, wherein the government elected not to appeal from an order

    suppressing virtually identical evidence seized from the person

    next in line to Pizarro at the security checkpoint.9 In the

    companion case, the district court suppressed the cocaine Fi-

    gueroa was carrying in Christmas gift packages inside his _________ ____ ________

    luggage because Avil s had permitted the DEA to conduct the

    initial search at the airport police station without first _______

    obtaining a warrant. Avil s testified that he arrested Figueroa

    based on probable cause to believe that the gift boxes, exposed

    to view during the security-checkpoint search of his carry-on

    bag, were so similar to Pizarro's gift box that it was likely

    that they too contained blocks of cocaine.

    The government's attempt to distinguish the two cases

    misses the mark. The carry-on bags, the gift boxes, and the

    blocks enclosed in opaque packaging all were discrete closed ___
    ____________________

    inventory search exception) with United States v. Infante-Ruiz, ____ _____________ ____________
    13 F.3d 498, 504 (1st Cir. 1994) (to justify warrantless search
    as inventory search, government must introduce evidence of
    "established procedures and standard criteria" governing invento-
    ry process). In addition to the government's failure to evince
    an established inventory procedure or policy, such a rationale is
    effectively disavowed by Avil s' testimony expressly predicating
    the DEA searches on the need to field-test the contents of the
    enclosed blocks for cocaine.

    9The government apparently decided to try Figueroa-Cruz
    separately due to insufficient evidence that the two men were
    traveling in tandem.

    13












    containers. Even assuming the warrantless checkpoint searches

    conducted on the carry-on bags and the gift boxes were lawful,

    the government nevertheless failed to establish that the subse-

    quent warrantless DEA penetration of the previously unopened

    blocks enclosed in opaque packaging came within any recognized

    exception to the warrant requirement. Consequently, their

    warrantless search at the police station after any exigency

    had ceased violated the Fourth amendment.


    III III

    CONCLUSION CONCLUSION __________

    As the government failed to shoulder its burden, by

    demonstrating either that its warrantless searches of the opaque

    packaged blocks were permissible under the Fourth Amendment, or

    that the admission of the tainted evidence was harmless beyond a

    reasonable doubt, see United States v. Modarressi, 886 F.2d 6, 8 ___ _____________ __________

    (1st Cir. 1989), appellant's conviction must be reversed.

    The district court judgment is reversed. The district court judgment is reversed. _______________________________________



















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