HOLLOWAY, Chief Judge.
These cases were companioned on appeal. Both defendants were found guilty by the court after waiving their rights to a jury trial. The trial court found defendant Scott Ziebarth (Ziebarth) guilty of possession with intent to distribute cocaine, a violation of 21 U.S.C. § 841(a)(1) (1982). Defendant Sidney Bell (Bell) was found guilty of attempt to possess with intent to distribute cocaine, a violation of 21 U.S.C. § 841(a)(1) and 846 (1982). Both defendants challenge the trial court’s denial of their pre-trial motions to suppress and Bell additionally challenges the sufficiency of the evidence supporting his conviction. We affirm both convictions.
I.
Factual Background
Utah State Narcotics Agent Mark Whit-taker (Whittaker) was profiling flights arriving from Los Angeles at the Salt Lake International Airport when Ziebarth deplaned. Ziebarth walked to a group of phones, looked around, and then turned and walked across a hallway to another group of phones. While looking around he picked up two or three phones, but did not appear to be placing a call. Ziebarth then went into a restroom for approximately two minutes and after leaving, went back to the phones. II R. 7-8. Whittaker said that Ziebarth appeared to be dialing this time, but did not appear to be talking. Ziebarth was carrying a nylon shoulder bag and appeared to Whittaker to be nervous. II R. 8-9.
Whittaker followed Ziebarth as he walked toward the east exit of the concourse. As Ziebarth got to the top of the concourse ramp he went into a lounge, looked around and then walked toward the top of an escalator where he met a man later identified as Sidney Bell. They greeted each other and then rode down the escalator. Whittaker was behind them and said that on the way down they turned away from each other and stopped speaking. II R. 10.
When he reached the bottom of the escalator, Whittaker met Deputy Bart Palmer (Palmer) of the Salt Lake County Sheriffs Office and Police Officer Terry Steed (Steed) of Murray City and explained his observations. Ziebarth and Bell walked to the east side of the building, turned around, and walked back to the far west end of the building. Whittaker said that Ziebarth was again looking over his shoulder and that Bell was turning around and looking. II R. 11-12.
Neither Ziebarth nor Bell went to the luggage area before going out the west exit of the terminal. As they were walking toward a parking lot, Bell noticed Whittaker and Palmer walking toward him and Ziebarth, and he turned and walked away from Ziebarth. II R. 13. At that point Whittaker and Palmer approached Zie-barth. Steed, who was nearby, approached Bell.
A.
Facts Leading to Bell’s Arrest
Steed walked up to Bell with his badge showing and said “I’m a police officer, do you mind if I talk to you a minute” and Bell said yes. Steed testified that he then asked if Bell was a friend of Ziebarth’s. III R. 50. When Bell said “No,” Steed asked “Aren’t you a friend of his, aren’t you with him or a friend of his?” Bell [962]*962responded “Not really”. Ill R. 50.1 A brown paper bag was protruding from a rolled-up levi jacket under Bell’s arm. Steed said that Bell was turning his right shoulder in an attempt to hide the jacket. Ill R. 50. When asked, Bell said there was nothing in the bag. Steed again inquired about the contents of the bag and Bell told him it was personal. Ill R. 51. Steed then asked: “Do you mind if I touch that bag for my own safety, assure myself that it’s not a weapon or anything that could be used as a weapon?” Bell said “No, it’s personal, it’s not a weapon. You don’t have to worry about it.” Ill R. 51.
At this point Steed told Bell that he was a narcotics officer assigned to keep narcotics from entering Utah through the airport. Steed testified that Bell’s “level of nervousness seemed to increase dramatically. I noticed that he was breathing — started breathing a little heavier.” Ill R. 51-52. Steed then asked Bell why he was so nervous and Bell said, “I’m always nervous when I’m confronted by police.” Bell then changed the word confronted to “talked to.” Ill R. 52. Steed asked if there was anything in the bag to cause him to be nervous and he said no, almost blurting it out, according to Steed. Ill R. 52. Steed then motioned Whittaker over, introduced him to Bell, and told him about the package. He also told Whittaker that Bell had first denied knowing Ziebarth and then, when asked again, said that he did not really know him. Ill R. 52.
Whittaker told Bell that he was going to “detain the package and that [they] would go over into the other building right next to [them], and [that he] was going to run his narcotics dog over the package at that time.” Ill R. 16-17. Whittaker testified that Bell “didn’t want me to do it at first” and that Bell asked if Whittaker could legally talk to him and if he could detain the package. Ill R. 17. Whittaker said he could and told Bell that he could either have a receipt for the package and could get it back when the dog was done, or could accompany him to the office. Ill R. 17.2 Bell said “I don’t want you to look at the package_” III R. 43. Whittaker did not tell Bell he was free to leave, III R. 42, but he did tell him that it would only take a few minutes for the dog to go over the package. Whittaker said that Bell agreed to go to the office. Ill R. 17-18.
Carrying his package, Bell walked to the security office, located approximately 200 feet away in the main terminal. When they got to the office Whittaker told Bell that he would “take the package upstairs and run the dog over it.” Ill R. 17-19. Whittaker said that Bell “didn’t want me to take the package. He knew I was going to have the package.” Ill R. 19. Bell told Whittaker that he wanted to go with him to the office and was advised that “it was just [Whittaker’s] policy that [he] did not have anyone else around the dog when [he] was working-” III R. 20. Whittaker said: “He told me, again, that I wasn’t going to have the package. At this time I took out my radio and I was going to call for assistance. He said, ‘oh well, never mind,’ and he handed me the package.” Ill R. 20. By now Whittaker and Bell had been together for approximately two or three minutes. Ill R. 25.
The narcotics dog, “Blue,” alerted to the package. Blue was then taken to the far side of the room and let go and again alerted to Bell’s package. Whittaker had placed the package on the floor among two other pieces of luggage. This process took [963]*963approximately one and one half minutes. Ill R. 21, 25, 26.
Whittaker then went downstairs and told Bell that he wanted him to come up. They went upstairs to the security office and Whittaker informed Bell that Blue had alerted to the package. Bell again denied that the package contained narcotics. Whittaker told Bell that because Blue had alerted to the package, he would place Bell under arrest. He then read Bell his Miranda warnings. At that point Bell told Whittaker that the package contained money. Ill R. 27-28.
During this time the package was on the floor, five to ten feet away. Whittaker said that he would open the package, count the money, and give Bell a receipt, and Bell indicated that would be fine. Ill R. 28.3 The package contained $13,800. Ill R. 30.4 Bell was given a receipt for the money, he asked a few questions, and was released. Ill R. 30.
B.
Facts Leading to Ziebarth’s Arrest
As officer Palmer approached Ziebarth, he identified himself and asked Ziebarth if he would mind talking for a moment. Zie-barth said no, and Palmer asked if he was waiting for someone. Ziebarth responded that Bell had picked him up and that he was not waiting for anyone. Palmer then asked if he could see Ziebarth’s plane ticket. II R. 38, 39. Whittaker, who at that point had not yet gone over to help with Bell, said that Ziebarth was “just a little nervous” at this point. II R. 28. Ziebarth found the ticket and showed it to Palmer, who then checked Ziebarth’s driver’s license to verify the name on the ticket. II R. 39.
Palmer handed the license back to Zie-barth and told him that he was a narcotics officer and that he often stopped people in an attempt to locate narcotics. According to Palmer, Ziebarth then became “visibly nervous” and started looking around. II R. 39-40. Palmer asked if he could look through Ziebarth’s nylon bag and advised him of his right to refuse. II R. 29, 40. Ziebarth handed the bag to Palmer who searched it, found nothing, and returned it to Ziebarth. II R. 30, 40. It was at this point that Whittaker went to help Steed with Bell. II R. 30.
Palmer noticed some zippered pockets on the shoulder of Ziebarth’s jacket and he asked if he could search them. Ziebarth asked why and was told by Palmer that he was looking for drugs. II R. 40. Ziebarth reached up to unzip one of the pockets and as he did, Palmer noticed his hand “shaking very badly and he was unable to get a hold of the zipper for a couple of seconds.... ” He pulled out partially what appeared to be a manila envelope. Palmer asked what was in it and Ziebarth said money, about $3,000. II R. 41. Palmer questioned Zie-barth about the money (Ziebarth had previously said he did not have large amounts of money), and Ziebarth responded, “well, it’s not a large amount of money to me.” Palmer pointed to the other pocket and Ziebarth responded “more money,” but did not explain. Palmer then said “well, do you think it’s about the same as in the manila envelope” and Ziebarth said he had about $7,000 total on him. II R. 41.
Palmer asked Ziebarth what he was doing with the money and Ziebarth indicated that it was for an attorney who had done some mortgage foreclosure work in Hawaii. Ziebarth had just come from Hawaii and Palmer asked him why he had not paid the attorney while there. He explained that he was going to get a cashier’s check and mail it and he pulled out a pre-ad-dressed envelope and showed it to Palmer. Palmer then told Ziebarth that he was going to detain him until he could determine “whose money it was and why he had it.” [964]*964II R. 42-43. He told Ziebarth it would probably be just a few minutes. II R. 57. For all that Palmer knew, there was money in the packages in Ziebarth’s shirt or coat. II R. 56.5
By that time Whittaker was taking Bell to the office. Palmer informed Ziebarth of that fact and asked him if he would mind going to the office to get this “money situation straightened out.” II R. 43. According to Palmer, Ziebarth said “fine and [they] walked over to the office.” II R. 43. At that point they had been together for seven or eight minutes. II R. 44.
When they got to the office Whittaker was upstairs with Blue and Bell was waiting. II R. 44. By then, two other security people were present. While they were standing there, Ziebarth dropped his bag and bolted down the concourse. II R. 45. He was tackled by one of the security officers 70 or 80 feet down the concourse and arrested. A subsequent search revealed ten and one half ounces of cocaine. II R. 46-47.
The magistrate’s Report states, p. 7, that in addition “the money” was found in Zie-barth’s pockets. However, the Memorandum Decision of the trial judge at p. 5 says that at oral argument the parties stipulated that Ziebarth was carrying “only cocaine and no money.” See VI R. 35-36. The government attorney said the magistrate's Report was in error on this point.
C.
The Trial Court’s Ruling
Adopting the magistrate’s report and recommendation after a de novo review of the record, with the correction noted above that money was not found on Ziebarth, the trial court denied both motions to suppress. The magistrate found Ziebarth’s conduct consensual up to the point where Palmer said he was going to detain him to check the source of the money. The magistrate found that from that point on Palmer had reasonable suspicion to temporarily detain Ziebarth. When Ziebarth bolted, probable cause was supplied for his arrest and the narcotics were seized pursuant thereto. I R. 50, p. 33-34.
With respect to Bell, the magistrate found the initial encounter a consensual police-citizen encounter. I R. 50, p. 35. The magistrate reasoned that Bell, who was given the option of accompanying Whittaker or taking a receipt for the package, was never detained. The magistrate found sufficient justification to temporarily detain the package for a dog sniff, reasoning that Ziebarth’s and Bell’s conduct could be added together to determine whether there was reasonable suspicion to believe the package contained narcotics or narcotics money. The magistrate found that when Blue alerted, there was probable cause to arrest Bell. I R. 50, p. 36. The magistrate held, however, that the search of the package was not incident to Bell’s arrest. Rather, the magistrate reasoned that the “search of the package was voluntary and consented to by Bell,” who told Whittaker (after Blue alerted) that the package contained money. I R. 50, p. 37. The trial court agreed. I R. 55, p. 6.
Both defendants waived their right to a jury trial. The prosecution relied on the evidence presented in connection with the motions to suppress. It also proffered some additional testimony and exhibits, to which the defendants agreed. VII R. 9-18. The defense put on no evidence, but did object to some of the evidence proffered by the government. VII R. 18-24. The court found Ziebarth guilty of possession with intent to distribute and Bell guilty of an attempt to possess with intent to distribute. VII R. 30-32.6
On appeal, Ziebarth argues that he was detained without reasonable suspicion [965]*965when Palmer asked to inspect his ticket and identification and that the intrusion escalated further when Palmer asked if he could search his person and luggage. He also argues that he was arrested without probable cause when he was asked to accompany Palmer to the security office. Bell says that his package was seized without consent or reasonable suspicion and that there was insufficient evidence to support his conviction.
II.
Analysis
When reviewing the denial of a motion to suppress we accept the trial court’s findings of fact unless they are clearly erroneous. United States v. Maez, 872 F.2d 1444, 1455-56 n. 15 (10th Cir.1989). We must consider the evidence adduced at the suppression hearing and the trial in the light most favorable to the ruling made. United States v. Gay, 774 F.2d 368, 375 (10th Cir.1985).
Ziebarth’s Detention and Arrest
The initial contact between Palmer and Ziebarth, where Palmer asked Ziebarth if he would mind talking for a moment, was clearly the sort of encounter that implicates no Fourth Amendment interests, as the magistrate reasoned. Florida v. Rodriguez, 469 U.S. 1, 5-6, 105 S.Ct. 308, 310-11, 83 L.Ed.2d 165 (1984) (per curiam). “[L]aw enforcement officers do not violate the Fourth Amendment by merely approaching an individual on the street or in another public place, by asking him if he is willing to answer some questions, [or] by putting questions to him if the person is willing to listen_” Florida v. Royer, 460 U.S. 491, 497, 103 S.Ct. 1319, 1324, 75 L.Ed.2d 229 (1983) (opinion of White, J., in which Marshall, Powell, and Stevens, JJ., joined). See also United States v. Santillanes, 848 F.2d 1103, 1106 (10th Cir.1988) (citing United States v. Cooper, 733 F.2d 1360, 1363 (10th Cir.1984)), cert. denied, 467 U.S. 1255, 104 S.Ct. 3543, 82 L.Ed.2d 847 (1984) and United States v. Espinosa, 782 F.2d 888, 890 (10th Cir.1986), (recognizing three types of police-citizen encounters).
Ziebarth argues that any consent ended when Palmer requested permission to inspect his ticket and identification. He contends that the intrusion escalated further when Palmer identified himself as a narcotics officer and asked to inspect his luggage and search his person. The government argues, and the magistrate and trial judge found, that Ziebarth consented to the examination of his ticket and identification, as well as the search of his bag and coat pockets. I R. 50, p. 32-33; I R. 55, p. 3.
Where a valid consent is obtained, no Fourth Amendment rights are violated. Gay, 774 F.2d at 376. Whether consent is voluntary or is the product of duress or coercion, express or implied, is to be determined by the totality of the circumstances and is a matter which the government has the burden of proving. United States v. Mendenhall, 446 U.S. 544, 557, 100 S.Ct. 1870, 1878, 64 L.Ed.2d 497 (1980) (opinion of STEWART, J„ in which BLACKMUN, POWELL, and REHNQUIST, JJ., joined) (citing Schneckloth v. Bustamonte, 412 U.S. 218, 222, 227, 93 S.Ct. 2041, 2045, 2047, 36 L.Ed.2d 854 (1973)). Knowledge of the right to refuse consent is “one factor to be taken into account_” Schneckloth, 412 U.S. at 227, 93 S.Ct. at 2048. This court has explicated a three-tier standard for determining whether the government has sustained the burden of showing that consent was voluntary:
First, there must be clear and positive testimony that the consent was unequivocal and specific. Second, the Government must establish that the consent was given without duress or coercion. Finally, we evaluate those first two standards with the traditional indulgence of the courts against a presumption of waiver of constitutional rights.
Gay, 774 F.2d at 376 (citing United States v. Recalde, 761 F.2d 1448, 1453 (10th Cir.1985) and United States v. Abbot, 546 F.2d 883, 885 (10th Cir.1977)).
As with the initial encounter in Menden-hall, the events here took place in a public concourse and without a display of weap[966]*966ons. See Mendenhall, 446 U.S. at 555, 100 S.Ct. at 1877 (opinion of STEWART, J., in which REHNQUIST, J., joined). Considering the evidence in the light favorable to the trial court’s ruling, Officers Palmer and Whittaker did not summon Ziebarth to their presence, but rather approached him. Id. They requested, but did not demand to see, Ziebarth’s ticket and identification. After verifying the name on the ticket and identifying himself as a narcotics officer, Palmer asked Ziebarth’s permission to look through his bag. He advised Ziebarth of his right to refuse consent. II R. 29, 40. Ziebarth handed the bag to Palmer who, after finding nothing, returned it. II R. 30, 40. When Ziebarth was asked about the zippered pockets on his jacket, he reached up himself, unzipped the pockets and handed Palmer the envelope which he said contained about $3,000. II R. 41. And when Palmer pointed to the other pocket, Zie-barth responded “more money” and then explained that he had a total of about $7,000 which he was going to use to pay an attorney. II R. 42.
We think there is ample support in the record to sustain the trial court’s finding that Ziebarth’s consent was valid. See Mendenhall, 446 U.S. at 557, 100 S.Ct. at 1877 (opinion of Stewart, J.) (examining the record to determine whether it sustains the trial court’s finding of consent); Gay, 774 F.2d at 377. Ziebarth’s knowledge of the right to refuse consent is “highly relevant to the determination that there had been consent.” Mendenhall, 446 U.S. at 558-59, 100 S.Ct. at 1880 (opinion of Stewart, J.). And there was no testimony showing threats or a show of force, id. at 558, 100 S.Ct. at 1879, or mere “submission to a claim of lawful authority.” Florida v. Royer, 460 U.S. at 497, 103 S.Ct. at 1324 (opinion of White, J.).7 We therefore uphold the finding that Ziebarth consented to the examination of his ticket, as well as the search of his bag and coat pockets.
We shall assume, without deciding, that Ziebarth’s conduct was no longer consensual when Palmer told him he was going to be detained until it could be determined to whom the money belonged.8 Ziebarth argues that at this point he was under arrest without probable cause. We disagree. Ziebarth was being temporarily detained only so that Palmer could confirm the explanation about the money he said he had. Palmer told Ziebarth that he would be detained only a few minutes. Then they went to the security office, located approximately 200 feet away in the main terminal. The entire encounter took place in public.
A temporary detention for questioning is “permissible because of the ‘public interest involved in the suppression of illegal transactions in drugs or of any other serious crime.’ ” Florida v. Rodriguez, 469 U.S. at 5, 105 S.Ct. at 310 (per curiam) (quoting Royer, 460 U.S. at 498-99, 103 S.Ct. at 1324-25 (opinion of White, J.)). Such investigative detentions must “last no longer than is necessary to effectuate the purpose of the stop.” Royer, 460 U.S. at 500, 103 S.Ct. at 1325. And the scope of such a detention must be “carefully tailored to its [967]*967underlying justification.” Id. Here, Zie-barth’s detention was a temporary investigatory one, lasting only approximately eight minutes, and was carefully tailored to its underlying justification.
It remains to be determined whether the temporary detention of Ziebarth was justified. Temporary detentions for questioning may be justified if “ ‘there is articula-ble suspicion that a person has committed or is about to commit a crime.’ ” Florida v. Rodriguez, 469 U.S. at 5, 105 S.Ct. at 310 (quoting Florida v. Royer, 460 U.S. at 498, 103 S.Ct. at 1323) (opinion of White, J.). In United States v. Sokolow, — U.S. -, 109 S.Ct. 1581, 104 L.Ed.2d 1 (1989), the Court stated that the concept of reasonable suspicion cannot be reduced to a neat set of legal rules, but rather, depends on the “totality of the circumstances—the whole picture.” Id. 109 S.Ct. at 1585. The Fourth Amendment requires “some minimal level of objective justification” for making a stop and the officer must be able to “articulate something more than an ‘inchoate and unparticularized suspicion or “hunch”.’ ” Id. (quoting INS v. Delgado, 466 U.S. 210, 217, 104 S.Ct. 1758, 1763, 80 L.Ed.2d 247 (1984) and Terry v. Ohio, 392 U.S. 1, 27, 88 S.Ct. 1868, 1883, 20 L.Ed.2d 889 (1968)). “That level of suspicion is considerably less than proof of wrongdoing by a preponderance of the evidence.” Id.
Under Sokolow, we think Palmer had reasonable suspicion to detain Zie-barth. After deplaning Ziebarth repeatedly went to a group of phones and did not appear to be talking. He appeared nervous to Palmer and had no luggage besides his shoulder bag. After meeting Bell, who was carrying a package in a rolled-up levi jacket, they walked to the east side of the building, turned around, and walked back to the west side. Ziebarth was again looking around and Bell turned around. When Bell saw Palmer and Whittaker approaching, he turned away from Ziebarth, apparently trying to conceal the fact that they had been together. Upon being told Palmer was a narcotics officer, Ziebarth became “visibly nervous” and started looking around. Palmer said that when Ziebarth went to unzip his pockets his hand was shaking badly. And when asked to explain the money he said he was carrying, Zie-barth said that he was going to use it to pay an attorney in Hawaii, the place from which he had just come.
It is true, as in Sokolow, that any one of these facts is “not by itself proof of any illegal conduct and is quite consistent with innocent travel.” Sokolow, 109 S.Ct. at 1586. But even wholly lawful conduct may justify the suspicion that criminal activity is afoot. Id. at 1586-87. We hold that Palmer had a reasonable suspicion that Zie-barth was transporting illegal drugs and that the scope of the detention was reasonable. When Ziebarth dropped his bag and ran down the concourse, probable cause was supplied for his arrest. The cocaine was thereafter validly seized in a search of Ziebarth’s person, incident to his arrest. Weeks v. United States, 232 U.S. 383, 392, 34 S.Ct. 341, 344, 58 L.Ed. 652 (1914). The detention and arrest of Ziebarth did not violate the Fourth Amendment and we find no error in the trial court’s denial of his motion to suppress.
The Detention of Bell’s Package and Bell’s Arrest
The magistrate found that Steed's initial encounter with Bell, whom he questioned about Ziebarth and the package he was carrying, was a permissible police-citizen encounter, implicating no Fourth Amendment rights. I R. 50, p. 35. We agree.
When Steed and Whittaker took Bell’s package, however, a seizure occurred. United States v. Place, 462 U.S. 696, 707-09, 103 S.Ct. 2637, 2644-45, 77 L.Ed.2d 110 (1983).9 In Place, the Court recognized that “some brief detentions of personal effects may be so minimally intru[968]*968sive of Fourth Amendment interests that strong countervailing governmental interests will justify a seizure based only on specific articulable facts that the property contains contraband or evidence of a crime.” Id. at 706, 103 S.Ct. at 2644. The Court applied the principles of Terry, reasoning that when the nature and extent of a detention are minimally intrusive of the individual’s Fourth Amendment interests, “the opposing law enforcement interests support a seizure based on less than probable cause.” Id. at 703, 103 S.Ct. at 2642.
We think the detention of Bell’s package was such that the seizure required only a “reasonable, articulable suspicion, premised on objective facts” that the package contained contraband or evidence of a crime. Id. at 702, 103 S.Ct. at 2642. Bell was not travelling, so there was no intrusion on any travel plans as in some cases. See e.g., id. at 708, 103 S.Ct. at 2645. The detention lasted only some five minutes. Id. at 709, 103 S.Ct. at 2645. Bell was told that the package was being taken to a security office and that it would take only a few minutes for the dog to go over the package. Ill R. 17-18. The seizure required only reasonable articulable suspicion.
Under Sokolow, officers Steed and Whittaker had the requisite “minimum level of objective justification” to seize Bell’s package. Sokolow, 109 S.Ct. at 1585. As the magistrate reasoned, Ziebarth’s conduct could be added to Bell’s, up to the point at which Whittaker left Ziebarth to assist Steed with Bell, for the purpose of determining whether reasonable suspicion existed. Ziebarth and Bell walked to the east side of the building together, turned around, and walked back again. Bell turned, and when he saw Palmer and Whit-taker approaching, turned away from Zie-barth, apparently trying to conceal the fact that they had been together. Steed testified that Bell’s “level of nervousness seemed to increase dramatically” when he was told that Steed was a narcotics officer. Ill R. 52. Bell turned his body in an attempt to keep the package away from Steed. Ill R. 50. Taken together, see Sok-olow, 109 S.Ct. at 1586, these facts supplied reasonable suspicion to seize Bell's package for a limited examination by the dog. See Place, 462 U.S. at 706-08, 103 S.Ct. at 2644-45. Accord United States v. Stone, 866 F.2d 359, 362-63 (10th Cir.1989).
The detention lasted only a few minutes and was minimally intrusive. It did not exceed the permissible limits of a Terry-type investigative stop. See Place, 462 U.S. at 708-10, 103 S.Ct. at 2645-46; Florida v. Royer, 460 U.S. at 506, 103 S.Ct. at 1329 (opinion of White, J.) (“If [trained narcotics detection dogs] had been used, Royer and his luggage could have been momentarily detained while this investigative procedure was carried out.”). When Blue alerted to the package, see III R. 25-26, probable cause was supplied for Bell’s arrest. The package was then searched incident to Bell’s arrest. Chimel v. California, 395 U.S. 752, 762-63, 89 S.Ct. 2034, 2039-40, 23 L.Ed.2d 685 (1969). The temporary investigative detention of Bell’s package for a limited dog sniff, Bell’s subsequent arrest, and the search of the package incident to the arrest, did not violate the Fourth Amendment. Again there was no error in the denial of the motion to suppress.10
The Sufficiency of the Evidence as to Bell
Bell was found guilty of attempt to possess a controlled substance with intent to distribute, a violation of 21 U.S.C. §§ 841(a)(1) and 846 (1982). He argues that the evidence was insufficient to support his conviction. The evidence showed that Ziebarth possessed ten and one half [969]*969ounces of cocaine and had a piece of scratch paper with $13,800 written on it. VII R. 16. Bell had $13,800. Ill R. 30. The trial judge could reasonably infer that Bell was going to purchase Ziebarth’s cocaine and there was testimony that such an amount of cocaine would not be for personal use, but instead, for distribution. VII R. 17. Viewed in the light most favorable to the government, the evidence was sufficient for the trial court to find Bell guilty beyond a reasonable doubt. United States v. Varoz, 740 F.2d 772, 774-75 (10th Cir.1984).
AFFIRMED.