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United States v. Nunez

Court: Court of Appeals for the First Circuit
Date filed: 1994-03-25
Citations: 19 F.3d 719
Copy Citations
27 Citing Cases
Combined Opinion
                  UNITED STATES COURT OF APPEALS
                      FOR THE FIRST CIRCUIT

                                           

No. 92-2356

                    UNITED STATES OF AMERICA,

                            Appellee,

                                v.

                          EFRAIN NU EZ,

                      Defendant, Appellant.

                                           

           APPEAL FROM THE UNITED STATES DISTRICT COURT

                 FOR THE DISTRICT OF PUERTO RICO

          [Hon. Hector M. Laffitte, U.S. District Judge]
                                                                 

                                           

                              Before

                      Selya, Cyr and Boudin,

                         Circuit Judges.
                                                 

                                           

   Thomas R. Lincoln, with whom Law Offices of Thomas R. Lincoln was
                                                                          
on brief for appellant.
   Esther Castro-Schmidt,  Assistant  United States  Attorney,  with
                                  
whom  Charles  E. Fitzwilliam,  United  States Attorney,  and  Jos  A.
                                                                              
Quiles  Espinosa,  Senior  Litigation   Counsel,  were  on  brief  for
                        
appellee.

                                           
                          March 24, 1994
                                           

          CYR, Circuit Judge.  After a two-day jury trial, Efrain
                    CYR, Circuit Judge.
                                      

Nu ez, a Dominican national, was convicted of possessing approxi-

mately two  kilograms of cocaine,  with intent to  distribute, in

violation of 21 U.S.C.   841(a)(1).  On appeal, Nu ez  challenges

the district court's refusal  to suppress the contraband obtained

during  his  detention  by  the  United  States  Customs  Service

(Customs) at Luis Marin International Airport in Carolina, Puerto

Rico, on Sunday, May 24, 1992.  

                                I
                                          I

                            BACKGROUND
                                      BACKGROUND
                                                

A.   Airport Detention
          A.   Airport Detention
                                

          The facts are unremarkable up  until the point in  time

    approximately 3:55  p.m.    when Nu ez was  first observed by

two Customs agents, Olga  Silva and Victor Ramos, who  were "pro-

filing  passengers"  near the  American Airlines  ticket counter.

After Nu ez attracted  their attention because he  appeared to be

walking  stiffly, the  agents  followed him  toward the  American

Airlines  concourse,  and observed  as  he  cleared the  security

checkpoint  without incident.1  As Nu ez  placed his carry-on bag

on the floor  before presenting his  passport at the  Immigration

and Naturalization Service (INS) checkpoint, Customs Agents Ramos

and  Silva  noticed  several  bulges around  his  midsection  and

                    
                              

     1Nu ez  walked through  the  metal detector  and passed  his
carry-on bag through the x-ray machine.

                                2

observed  that he had difficulty  bending.  At  this point, Silva

left to summon Senior  Customs Investigator Isidro Rivera Sanchez

(Rivera).

          At approximately 4:10 p.m., Rivera approached  Nu ez at

the  INS checkpoint, identified  himself as a  Customs agent, and

posed  a series  of perfunctory  questions.   At one  point, when

Nu ez  bent down to show Rivera his carry-on bag, Rivera observed

the  "bulges" seen by Silva and Ramos minutes before, and decided

to question him further.  Rivera escorted Nu ez to a room off the

main concourse.   Seeking to  ensure that the  "bulges" were  not

explosives  that  might  have  gone undetected  at  the  security

checkpoint, Rivera  conducted a "pat-down  frisk" which  revealed

that  four  packages had  been  "adapted" to  fit  around Nu ez's

midsection.   Finding  no wires,  Rivera informed  Nu ez that  he

would be detained by Customs, then conducted him to a secure 8' x

8' holding room in the customs enclosure.

          As the case wended its way through the Customs chain of

command, two more Customs agents  became involved:  Senior Super-

visory  Agent Carlos  Ruiz Hernandez  (Ruiz) and  his supervisor,

Senior Agent Ben  Garcia (Garcia).   When Garcia  arrived on  the

scene, he directed Ruiz to arrange for a drug-detection dog to be

brought to the customs enclosure.  Later, Garcia and Ruiz went to

the  holding room, where Garcia  informed Nu ez that  he was sus-

pected  of smuggling  contraband  and that  the Drug  Enforcement

Administration (DEA) was being  requested to secure a  warrant to

search his person.   At  approximately 5:30 to  5:45 p.m,  Garcia

                                3

administered Miranda warnings to Nu ez.  At approximately 5:45 to
                              

6:00 p.m., Ruiz attempted to arrange for a drug-detection dog.2

          The situation inside  the holding  room changed  drama-

tically as Ruiz was attending Nu ez while awaiting the arrival of

the drug-detection  dog.  Suddenly,  Nu ez spontaneously informed

Ruiz that  he had worked as an auto mechanic in New York but that

work was  scarce and "times are tough    you  have to make a buck

any way  you can."  As  Nu ez spoke, he slowly  began unbuttoning

his shirt.   Sensing that Nu ez was  preparing to shed the "bulg-

es,"  Ruiz decided to "give him the opportunity," and turned away

while continuing to observe surreptitiously.  Shortly thereafter,

Ruiz heard a rustling  sound and glimpsed a series  of movements.

When Ruiz turned toward  Nu ez, four packages lay near him on the

floor; it was approximately 6:30 p.m.

          Ruiz immediately performed a field test, which indicat-

ed that the packages contained cocaine.   Nu ez was arrested.  At

Ruiz's instruction, Nu ez removed his unbuttoned shirt, revealing

two  girdles and  the body imprints  left by the  packages he had

been carrying  around his  midsection.   When  the passive  drug-

detection  dog finally  arrived  at approximately  7:00 p.m.,  it

                    
                              

     2The record is silent as to whether any previous attempt had
been  made to  obtain  a drug-detection  dog.   The  record  does
disclose,  however, that the  only dog  available at  the airport
that Sunday afternoon, "Oby", was used for luggage screening  and
was considered too dangerous  for use on a  human subject, as  it
was trained  to claw at  the spot  where it   detected narcotics.
"Zulu,"  the nearest "passive"  drug-detection dog,  was kenneled
forty-five minutes  from  the  airport.   Zulu  and  her  handler
arrived at the airport at approximately 7:00 p.m., about one-half
hour after Nu ez was formally arrested.

                                4

"alerted"  in the area of Nu ez's midsection where the bulges had

been concealed.

B.   District Court Proceedings
          B.   District Court Proceedings
                                         

          At  a pretrial  conference  on  June 15, 1992,  defense

counsel represented that he would move to suppress the contraband

recovered from the  floor of  the detention room.   The  district

court accordingly  entered a pretrial  order pursuant to  Fed. R.

Crim. P. 12(c),  setting   June 22 as the  deadline for  pretrial

motions and July 29 as the trial date.  No motion to suppress was

filed  within the  prescribed period.   On July 23,  however, six

days before  trial, the government informed  defense counsel that

it would introduce newly discovered evidence relating to the pre-

arrest admission by Nu ez, which Customs Agent Ruiz only recently

had brought to  the prosecutor's  attention.  See  supra at  p.4.
                                                                  

The  next day, five days  before trial, defense  counsel moved to

suppress both the Nu ez admission and the contraband.  The motion
                       

simply contended that the contraband was the inadmissible product

of  a pretextual  investigatory stop,  but asserted  no challenge

based on the duration of the detention.

          On the  morning of  July 29, 1992, after  jury empanel-
                                                                           

ment,  the  district court  heard  argument  on the  government's
              

objection based on the untimeliness of the motion to suppress the

contraband.  The  government argued that  the relevant facts  had

been known  to the defense from  the beginning and that  any sup-

pression  challenge to the contraband had  been waived under Fed.

                                5

R.  Crim. P. 12(f).3   Asked to  explain the untimeliness  of the

motion,  defense counsel  represented  to the  court that  Nu ez,

against counsel's advice  and perhaps  without comprehending  the

full implications, had instructed counsel not to move to suppress

the contraband but later changed his mind.

          Without ruling on  the government's waiver  claim under

Federal Rule of Criminal Procedure 12(f), relating to the untime-

liness of  the motion  to suppress the  contraband, the  district

court  proceeded  to  consider the  contraband-suppression  claim

based  on the allegedly pretextual pat-down frisk.4  Near the end
                                                           

of  the  suppression  hearing  itself,  however, defense  counsel

insinuated  the  new contention  that  the  contraband should  be

suppressed  either on the basis  of the pretextual pat-down frisk

or  an  unconstitutionally  prolonged  detention.5    The  latter
                    
                              

     3Given the timing of its disclosure, however, the government
conceded  the  timeliness of  the  motion to  suppress  the Nu ez
admission  to Ruiz.   Nu ez  has not  appealed from  the district
court ruling denying the motion to suppress the admission.

     4The  district  court  thus  tacitly  allowed  argument  and
evidence on  the contraband-suppression issue, which  it had been
led  to understand  turned on  the allegedly  pretextual pat-down
                                                                           
frisk,  the only  claim  raised in  the  motion to  suppress  the
                                                                           
contraband.
                    

     5During  cross-examination of  the  Customs agents,  defense
counsel  elicited testimony relating to the frisk and the ensuing
detention.  Then, in a staccato presentation  near the end of the
suppression hearing,  defense counsel     for  the first  time   
briefly  injected the claim  that the  excessive duration  of the
detention had  tainted the  voluntariness of Nu ez'  surrender of
the contraband.   With the  empaneled jury waiting,  the district
court simply noted  the customs agents' testimony  that Nu ez had
been detained pending the  issuance of a warrant  authorizing the
DEA  to search his person.   Defense counsel  then countered that
the government had presented no evidence that the agents had even
attempted to obtain  a warrant.  Thereupon, the court's attention

                                6

theory had neither  been raised in the motion  to suppress nor at

the post-empanelment argument upon which the district court based

its tacit  decision to permit hearing  on the contraband-suppres-

sion  claim based  on  the theory  that  the pat-down  frisk  was

unconstitutional.   See supra  notes 4 &  5.  As  a direct conse-
                                       

quence  of  the belated  insinuation  of the  prolonged-detention

claim, the district court's attention was never fairly focused on

the principal contraband-suppression theory presently advanced on

appeal.6 

                                II
                                          II

                            DISCUSSION
                                      DISCUSSION
                                                

A.   Duration of Detention
          A.   Duration of Detention
                                    

          We  first  consider   whether  the  suppression  theory

clearly asserted for the first time on appeal    that the surren-

der of  the contraband was  the product of  an unconstitutionally

prolonged detention    was waived.  Criminal Rule 12(f) provides:

"Failure by a party  to raise defenses  or objections or to  make

requests which  must be made prior  to trial, at the  time set by
                                                      

the  court pursuant to subdivision (c), or prior to any extension
                    
                              

was once again  abruptly drawn back to  the legality of  the pat-
down frisk.  Ultimately, the court denied the motion to suppress,
in its entirety, without  stating any "essential findings" relat-
ing  to the duration of the  detention as contemplated by Fed. R.
Crim. P. 12(e).

     6The  principal  by-products  of these  scattershot  defense
tactics are the absence of  factual findings on matters essential
to reliable appellate review of the  district court's ruling that
the surrender of the contraband was voluntary, and the absence of
any  ruling or finding whatever  as to the  reasonableness of the
detention itself.  See Fed. R. Crim. P. 12(e).
                                

                                7

thereof made  by the court, shall constitute  waiver thereof, but

the  court for  cause shown  may grant  relief from  the waiver."

Fed. R. Crim. P. 12(f)  (emphasis added).7  See United States  v.
                                                                       

Gomez, 770 F.2d 251,  253 (1st Cir. 1985) (Rule  12 implements an
               

"important social policy"; waiver results absent compliance); see
                                                                           

also  Brooks v. United States,  416 F.2d 1044,  1047-48 (5th Cir.
                                       

1969)  (same), cert.  denied, 400  U.S. 840  (1970).   The record
                                      

reflects  that  the  district  court neither  found  "cause"  nor

granted relief from waiver under Rule 12(f).8
                    
                              

     7Rule  12(b)(3) mandates  that  all motions  to suppress  be
presented  prior to trial; Rule 12(c) empowers the court, by rule
or  order, to prescribe time  limits for filing  Rule 12 motions.
Fed. R. Crim. P. 12(b)(3), (c).

     8At  the hearing  reluctantly  convened by  the trial  judge
following  jury  empanelment,  defense counsel  obliquely  raised
arguments altogether distinct from  those presented in the motion
to suppress the contraband.  See supra notes 4 & 5.  We have made
                                                
it crystal  clear that "[l]egal arguments  cannot be interchanged
at will."   United States v.  Lilly,     F.3d    ,      (1st Cir.
                                             
1994) [No. 93-1577, slip op. at  5 (Jan. 4, 1994)]; United States
                                                                           
v. Dietz, 950  F.2d 50, 55 (1st  Cir. 1991) ("We repeatedly  have
                  
ruled  . . . that arguments not seasonably addressed to the trial
                                                              
court may  not  be raised  for  the first  time  in an  appellate
venue.") (emphasis added).  See also United States v. Bailey, 675
                                                                      
F.2d 1292,  1294  (D.C. Cir.)  (similar), cert.  denied sub  nom.
                                                                           
Walker v.  United States,  459  U.S. 853  (1982); accord,  United
                                                                           
States v. Dewitt, 946 F.2d 1497, 1502 (10th Cir. 1991) ("[W]aiver
                          
provision  applies not  only to  the failure  to make  a pretrial
motion,  but also to the failure to include a particular argument
                                                                           
in the motion.") (emphasis added), cert. denied sub nom. Rison v.
                                                                        
United States, 112  S. Ct. 1233 (1992).  The  Trojan Horse tactic
                       
employed  by  the  defense   below  virtually  ensured  that  its
suppression claim  based on the  duration of the  detention would
                                                                     
escape serious focus  from the  government and the  court at  the
post-empanelment suppression  hearing, see supra notes 4,  5 & 6,
                                                          
thereby circumventing the time  bar fixed in the pretrial  order,
see  supra note 7, the  "cause" showing required  for relief from
                    
waiver under Fed. R.  Crim. P. 12(f), and the  government's right
to compel resolution of the contraband-suppression claim prior to
trial  in order to preserve its right to pretrial review under 18
U.S.C.   3731.   See  note 9  infra; see  also  United States  v.
                                                                       

                                8

          Even though  appellate courts on occasion  have implied

relief  from waiver under Rule  12(f) where the  trial court pro-

ceeds  to address the suppression issue on the merits, see, e.g.,
                                                                          

United  States v. Vasquez, 858  F.2d 1387, 1389  (9th Cir. 1988),
                                   

cert. denied,  488  U.S. 1034  (1989);  contra United  States  v.
                                                                       

Oldfield,  859 F.2d 392, 396-98 (6th  Cir. 1988), we have not had
                  

occasion, nor are we disposed, sua sponte, to conjure relief from
                                                   

waiver under  Rule  12(f) in  circumstances  where no  cause  for

relief  appears and  the district  court record  does not  enable

reliable appellate review on the merits.

          First, it would make Rules 12(b)(3) and (f) meaningless

were an unexplained  change of mind on the  part of the defendant

deemed "cause"  for relief  from waiver, following  jury empanel-
                                                                           

ment, under a rule fundamental to orderly pretrial procedure.  In
              

this  vein,  it  is  instructive to  contrast  the  circumstances

surrounding the late requests to suppress  the contraband and the

Nu ez  admission.  The government's failure to disclose the Nu ez

admission until  shortly  before trial  provided  a  paradigmatic

example of "cause" for relief from waiver under Rule 12(f).  See,
                                                                          

e.g., United States v. Lamela, 942 F.2d 100, 104 (1st  Cir. 1991)
                                       

(holding  that a Rule 12(b)(2) motion first asserted at trial was

not  time-barred where  the relevant  information did  not become

available until trial).  On the other hand, no extrinsic justifi-

cation whatever  is suggested for the belated request to suppress

the contraband due to  the duration of the detention  even though
                    
                              

Barletta, 644 F.2d 50, 54 (1st Cir. 1981).
                  

                                9

all the relevant facts were known to the defense from the outset.
                                                                          

Instead, the  untimeliness is  attributed exclusively  to Nu ez's

original  decision not  to  challenge the  contraband.   In these

circumstances, we  believe  something more  than  an  unexplained

change of  mind must be shown to warrant relief from a Rule 12(f)

waiver brought  on by  the defendant's  tactical  decision.   See
                                                                           

United  States v. Gonzales, 749  F.2d 1329, 1336  (9th Cir. 1984)
                                    

(upholding  denial of relief  from waiver under  Rule 12(f) after

defendant changed mind about whether to move to suppress).

          Second, Rule  12 itself  provides that the  court shall

not  defer a pretrial motion for determination at trial, even for

"good  cause" shown, "if a  party's right to  appeal is adversely

affected."  Fed. R. Crim. P. 12(e).   "Once a jury has been sworn

and jeopardy attaches, the government  loses its right to  appeal

an  adverse ruling on suppression."  United States v. Taylor, 792
                                                                      

F.2d  1019, 1025 (11th Cir.  1986) (scope of  discretion to grant

relief  under Rule  12(f)  narrows once  jeopardy has  attached),

citing  18 U.S.C.   3731,9 cert.  denied sub nom.  King v. United
                                                                           

States, 481 U.S. 1030 (1987).  See United States v. Barletta, 644
                                                                      

F.2d  50,  54  (1st  Cir. 1981)  (Coffin,  C.J.)  ("[D]efendants'

motions to suppress, based  on the exclusionary rule, are  at the
                    
                              

     9The relevant portion of 18 U.S.C.   3731 reads as follows:

          An appeal  by the  United  States shall  lie to  a
     court of appeals from a decision or order of a district
     courts  [sic]  suppressing  or  excluding  evidence  or
     requiring the  return of seized property  in a criminal
     proceeding, not  made after the defendant  has been put
     in jeopardy  and before  the verdict or  finding on  an
     indictment or information . . . . (footnote omitted).

                                10

heart of  the legislative purpose in  providing government appeal

rights.").   On the other hand, the defense tactic employed below

would have insulated from pretrial review, pursuant to  18 U.S.C.

  3731,  any exclusionary  ruling based  on the  duration  of the

detention.   As our court clearly explained in Barletta, 644 F.2d
                                                                 

at  54-55:

          Were a defendant able  to delay such a motion
          until trial, he  could prevent the government
          from appealing, thus frustrating  the central
          purpose  of   3731.   It  is for  this reason
          that motions to suppress     motions based on
          the exclusionary rule  alone    must  be made
          by a defendant prior to trial or not at  all,
          and for  this reason as well  that a district
          court ordinarily may not  defer a ruling on a
          defendant's  motion  to suppress.    We agree
          with the district court that such rulings and
          the  government's ability to  appeal them are
          at the core of 12(e).

Under these  circumstances, therefore, relief from  waiver of the

Nu ez suppression  claim based on  the duration of  the detention

will  not be  implied.   See id.  at 54;  see also,  e.g., United
                                                                           

States  v. Gomez-Benabe,  985 F.2d  607,  611-12 (1st  Cir. 1993)
                                 

(finding Rule 12(f) waiver and concluding that: "[i]t is unneces-

sary to address the  substantive aspects of appellant's arguments

[that should have been  raised in a pretrial motion  to suppress]

since appellant has totallyfailed to put the matterin issue.").10
                    
                              

     10Few courts  have squarely considered whether  a Rule 12(f)
waiver obviates  "plain  error" review  under Rule  52(b).   See,
                                                                          
e.g., United  States v. Howard, 998  F.2d 42, 52  (2d Cir. 1993);
                                        
but see Gomez-Benabe,  985 F.2d  at 611-12.   A number of  courts
                              
have proceeded  with "plain error" review,  however, without dis-
cussing the impact of the  Rule 12(f) waiver.  See, e.g.,  United
                                                                           
States v. Gio, 7 F.3d 1279, 1285 (7th Cir. 1993) (severance claim
                       
waived  under Rule 12(f) reviewed for plain error); United States
                                                                           
v. Milian-Rodriguez, 828  F.2d 679, 684  (11th Cir. 1987)  (same,
                             

                                11

B. Pat-down Frisk
          B. Pat-down Frisk
                           

          Lastly, Nu ez argues that  the pat-down frisk conducted

by  Customs was pretextual    a search for contraband rather than

a  security frisk for weapons     and that  the contraband subse-

quently  recovered by  Customs  therefore should  have been  sup-

pressed under Wong  Sun v.  United States, 371  U.S. 471  (1963).
                                                   

Nu ez insists that the Customs agents  could not have apprehended

                    
                              

motion to suppress),  cert. denied, 486  U.S. 1054 (1988).   In a
                                            
different context,  we have  suggested that "plain  error" review
may  be  required, notwithstanding  waiver.    See, e.g.,  United
                                                                           
States v. Cyr, 712 F.2d 729, 735 n.4 (1st Cir. 1983) (noting that
                       
reversal  on severance  claim waived  under Rule  12(f) would  be
                                
"mandated only if there is plain error.") (dicta).  In any event,
our precedent  does not require  "plain error" review  in circum-
stances  where reliable  review has  been rendered  impossible by
inadequate  development  at  the  district court  level  and  the
exclusionary-rule  suppression  issue pressed  on appeal  was not
broached below until after jeopardy attached.   See Barletta, 644
                                                                      
F.2d at 54-55.   See also  United States v.  Davenport, 986  F.2d
                                                                
1047, 1048 (7th Cir. 1993).
     The record in this  case would not enable a  reliable appel-
late  determination  as to  the  reasonableness  of the  Custom's
agents'  actions  in  light  of all  the  relevant  circumstances
prevailing  at the time.  See,  e.g., United States v. Quinn, 815
                                                                      
F.2d  153, 157-58 (1st Cir. 1987).  Although the record certainly
is susceptible to the interpretation that approximately two hours
elapsed before Nu ez was formally arrested, it  is neither "obvi-
ous" nor "clear," see United States  v. Olano,     U.S.    ,    ,
                                                       
113  S.  Ct. 1770,  1777 (1993),  for  instance, that  the actual
circumstances confronting the officers  did not render the deten-
tion reasonable; that the detention did  not constitute a reason-
able border detention; or, indeed, that the officers did not have
probable cause at  some point prior to the formal  arrest.  Thus,
Nu ez has not met the burden of  proving plain error, even assum-
ing  such review were appropriate  in the wake  of the deliberate
Rule 12(f) waiver.   See United States v. Olivier-Diaz,      F.3d
                                                                
   ,     (1st Cir. 1993)  [No. 93-1306, slip op. at  11 (December
22, 1993)]  ("[E]rror cannot be  'clear' or 'obvious'  unless the
desired factual finding is  the only one supported by  the record
below."); United States  v. Petrozziello,  548 F.2d  20, 22  (1st
                                                  
Cir.  1977) ("Appellant's failure to raise  the issue below means
that a critical factual dispute remains unsolved.  We cannot find
plain error on this silent record.").

                                12

a genuine  security risk warranting a pat-down  frisk for weapons

at  the INS  checkpoint because  he had  just passed  through the

security  checkpoint without incident.   See supra note  1.  Fur-
                                                            

thermore,  he argues, the Customs  agents would have searched his

carry-on bag  as  well were  they genuinely  concerned for  their

personal security as the government asserts.11

          The trial court is required to  assess "the totality of

the circumstances" confronting the officers, rather than dissect-

ing  the evidence and weighing the individual components.  United
                                                                           

States v. Trullo, 809 F.2d 108, 111 (1st Cir.), cert. denied, 482
                                                                      

U.S. 916 (1987).  We review its factual findings under the "clear

error" standard, United States v. Kiendra, 663 F.2d 349, 351 (1st
                                                   

Cir. 1981); see also United States v. Walker, 924 F.2d  1, 3 (1st
                                                      

Cir.  1991) (pat-down  frisk),  and will  uphold the  suppression

ruling  if supported  by "any  reasonable view of  the evidence,"

United  States  v. Young,  877 F.2d  1099,  1100 (1st  Cir. 1989)
                                  

(citing cases).

          The  district court based  its findings  principally on

the  agents' testimony  concerning the  reasons for  the pat-down

frisk.   Trial court credibility determinations  are prime candi-

dates  for appellate deference.   See United States  v. Brum, 948
                                                                      

F.2d 817, 819 (1st Cir. 1991); cf. Anderson v. Bessemer City, 470
                                                                      
                    
                              

     11Agent Rivera testified  that there was  no need to  search
                                                                           
the carry-on bag at the security checkpoint, because the officers
would have Nu ez within their direct physical control and, unlike
a weapon concealed on his person, he would not be  able to remove
a gun from his carry-on bag before the officers could subdue him.
We  believe  Rivera's  testimony  was sufficient  to  dispel  the
misgivings raised by Nu ez.

                                13

U.S. 564, 575  (1985).  The  suppression hearing transcript  dis-

closes abundant support  for the district court  finding that the

pat-down frisk was based on a reasonable concern,  on the part of

the  agents, for their own security and for the safety of airline

passengers.12    As the  record  evidence  supports the  district

court's reasoned conclusion, there was no error.

          Affirmed.
                    Affirmed.
                            

                    
                              

     12Nu ez's  nervous behavior,  the stiff  manner in  which he
walked, the difficulty in bending, and  the bulges underneath his
clothing  were sufficient to raise a  reasonable suspicion in the
minds  of experienced  law  enforcement officers  that Nu ez  was
carrying contraband.  See United States v. Sokolow, 490 U.S. 1, 7
                                                            
(1989) (totality  of circumstances  must be considered  in deter-
mining whether  there was "reasonable suspicion"  for Terry stop,
                                                                     
which must be based on "articulable facts that criminal  activity
'may be afoot,' even if  the officer lacks probable cause.")   In
addition, the district court specifically credited testimony that
certain explosive  devices could have gone  undetected when Nu ez
passed through the airport security checkpoint.  Considering that
these events  took  place in  the  environs of  an  international
airport where drug  trafficking has been  a common occurrence  in
recent years,  see, e.g., United  States v. Villanueva,      F.3d
                                                                
   ,      (1st Cir.  1994) [No. 93-1502,  slip op. at  5 (Feb. 3,
1994)] (noting  history of area where defendants  were stopped is
relevant factor in  "reasonable suspicion" calculus), we  believe
the district court supportably found that these agents reasonably
harbored a  justifiable concern for their  personal safety and/or
the safety of airline passengers, sufficient to warrant  the pat-
down  frisk for  weapons and  for any  explosives which  may have
passed undetected through the INS checkpoint.

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