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No. 9480286
United States Court of Appeals for the Ninth Circuit
United States v. Kevin Tran
No. 9480286 · Decided March 1, 2024
No. 9480286·Ninth Circuit · 2024·
FlawFinder last updated this page Apr. 2, 2026
Case Details
Court
United States Court of Appeals for the Ninth Circuit
Decided
March 1, 2024
Citation
No. 9480286
Disposition
See opinion text.
Full Opinion
NOT FOR PUBLICATION FILED
UNITED STATES COURT OF APPEALS MAR 1 2024
MOLLY C. DWYER, CLERK
U.S. COURT OF APPEALS
FOR THE NINTH CIRCUIT
UNITED STATES OF AMERICA, No. 22-50147
Plaintiff-Appellee, D.C. No. 8:21-cr-00193-PA-1
v.
MEMORANDUM*
KEVIN TRAN,
Defendant-Appellant.
Appeal from the United States District Court
for the Central District of California
Percy Anderson, District Judge, Presiding
Argued and Submitted January 12, 2024
Pasadena, California
Before: TALLMAN and BENNETT, Circuit Judges, and LASNIK,** District
Judge.
Officer Patrick Murphy saw a gray Toyota Camry that had its registration
tags scratched or torn off. His registration check revealed that the registration had
been expired for about two years. Officer Murphy initiated a traffic stop,
*
This disposition is not appropriate for publication and is not precedent
except as provided by Ninth Circuit Rule 36-3.
**
The Honorable Robert S. Lasnik, United States District Judge for the
Western District of Washington, sitting by designation.
approached the car, and saw two people in it—the driver Michael Nguyen and the
defendant Kevin Tran, who was sitting in the front passenger seat. He searched the
car with Nguyen’s consent. He also searched Tran’s backpack located on the front
passenger seat, where inside the main compartment he found a handgun—a Glock,
model 23, .40 caliber semi-automatic pistol—and 13 rounds of ammunition. Tran
was arrested for being a felon in possession of the firearm and ammunition. See 18
U.S.C. § 922(g)(1). Tran moved to suppress the gun and the ammunition because
of the alleged unconstitutional search of his backpack. He also moved to suppress
all evidence and statements obtained following his alleged prolonged detention.
The district court orally denied Tran’s motion to suppress. Tran entered a
conditional guilty plea to the single-count indictment, which preserved his right to
appeal the denial of his motion to suppress. Exercising jurisdiction under 28
U.S.C. § 1291, we affirm.
1. We review the district court’s denial of a motion to suppress evidence
de novo and its factual findings for clear error. United States v. Norris, 942 F.3d
902, 907 (9th Cir. 2019). Under the automobile exception, “police officers with
probable cause to search a car may inspect passengers’ belongings found in the car
that are capable of concealing the object of the search.” Wyoming v. Houghton,
526 U.S. 295, 307 (1999). Officer Murphy suspected that Nguyen violated
California’s DUI laws. See Veh. Code §§ 23152(f), 23536; Cal. Health & Safety
2
Code § 11362.3(a)(7)–(8). Thus, we must assess the totality of the facts and
circumstances known to Officer Murphy prior to his search of Tran’s backpack to
determine whether he had probable cause to believe that Nguyen was driving
“under the influence of any drug,” Cal. Veh. Code § 23152(f), or was “[s]mok[ing]
or ingest[ing] cannabis . . . while driving,” Cal. Health & Safety Code
§ 11362.3(8).
Before the search of Tran’s backpack, the totality of the circumstances
included the following: (1) Officer Murphy smelled the odor of burned marijuana
coming from the car. (2) Officer Murphy found on Nguyen a knife and a small
glass jar that contained a green leafy substance, which appeared to be marijuana.
(3) Tran’s identification check confirmed that he belonged to the “Asian Boys”
gang, which “[b]ased on [Officer Murphy’s] training and experience, . . . is
frequently involved in criminal activity, including vehicle theft and drug
trafficking.” (4) Tran told Office Murphy that there was marijuana inside his
backpack.1 The district court also noted that “Nguyen complain[ed] that he . . .
1
Tran claims that the government cannot rely on this statement because he made it
after the search began and “[t]he Government cannot justify the vehicle search
based on information the officers learned after that search began.” But we assess
the “totality of the circumstances known to the officers prior to the challenged
searches and seizures.” United States v. Woods, 720 F.2d 1022, 1023 (9th Cir.
1983), and here, the “challenged search” is the search of the backpack. While
Nguyen’s consent to the vehicle search did not independently justify the search of
Tran’s backpack, by the time Officer Murphy began searching Tran’s backpack, he
had developed probable cause to believe that it might contain evidence that
3
d[id]n’t want to get out of the car.”
The smell of marijuana, combined with the other facts discussed above,
supports probable cause that Nguyen violated California’s DUI laws. See United
States v. Malik, 963 F.3d 1014, 1016 (9th Cir. 2020) (per curiam) (holding that the
officer had probable cause to search a tractor-trailer because the officer smelled
marijuana in the tractor-trailer and because the defendant—the driver of the
tractor-trailer—had a “changing story about when he smoked the marijuana
cigarette”); United States v. Vasquez, No. 19-50275, 2021 WL 3011997, at *2 (9th
Cir. July 15, 2021) (acknowledging that while “[i]t is true that the smell of
marijuana alone no longer provides a basis for probable cause[,] . . . when
combined with other factors, the smell of marijuana may still support probable
cause that a vehicle contains evidence of marijuana activity that remains unlawful
under California law”), cert. denied, 142 S. Ct. 502.
The evidence supporting probable cause to search Tran’s backpack was
strong, especially considering that Officer Murphy smelled “burned,” rather than
fresh, marijuana and that Tran admitted that there was marijuana in his backpack.
We thus affirm the district court’s determination that Officer Murphy had probable
cause to believe Nguyen had violated California’s DUI laws. Tran does not
Nguyen had violated California’s DUI laws. See United States v. Blunt, 535 F.
App’x 542, 544 (9th Cir. 2013).
4
challenge that the backpack could contain evidence of DUI. Thus, the search of
Tran’s backpack, which yielded the gun and ammunition, was lawful under the
automobile exception.
2. Tran next argues that the officers violated his Fourth Amendment
rights by lengthening the roadside detention to conduct criminal investigations
unrelated to the mission of the traffic stop or any independent reasonable
suspicion. Thus, Tran claims that all fruits of the alleged prolonged detention must
be suppressed under Rodriguez v. United States, 575 U.S. 348 (2015). An officer’s
additional investigative actions or questioning are “permissible only if [they]
w[ere] (1) part of the stop’s ‘mission’ or (2) supported by independent reasonable
suspicion.” United States v. Landeros, 913 F.3d 862, 867–68 (9th Cir. 2019).
Here, there was a valid basis for the traffic stop, so we move to the alleged
prolonged detention.
First, Officer Murphy did not improperly prolong the detention by ordering
Nguyen to exit the car. See Pennsylvania v. Mimms, 434 U.S. 106, 109–10 (1977)
(per curiam) (holding that even when “the officer had no reason to suspect foul
play from the particular driver at the time of the stop, there having been nothing
unusual or suspicious about his behavior,” the officer’s precautionary “practice to
order all drivers out of their vehicles as a matter of course whenever they had been
stopped for a traffic violation” was constitutionally proper).
5
Second, the officers did not improperly prolong the stop by frisking either
Nguyen or Tran. See Arizona v. Johnson, 555 U.S. 323, 332 (2009) (“[O]fficers
who conduct routine traffic stops may perform a patdown of a driver and any
passengers upon reasonable suspicion that they may be armed and dangerous.”
(cleaned up)). The brief frisks were justified by the odor of burned marijuana, the
suspected vehicle theft, Nguyen’s initial refusal to get out of the car, the knife in
Nguyen’s pocket, and reason to believe Nguyen and Tran were engaged in a
“common enterprise.” Houghton, 526 U.S. at 304–05.
Third, Officer Elhami did not improperly prolong the detention by briefly
asking Tran whether he was “on probation or anything.” See Johnson, 555 U.S. at
333 (“An officer’s inquiries into matters unrelated to the justification for the traffic
stop . . . do not convert the encounter into something other than a lawful seizure, so
long as those inquiries do not measurably extend the duration of the stop.”).
Fourth, Officer Elhami did not improperly prolong the detention by ordering
Tran to exit the car. See Maryland v. Wilson, 519 U.S. 408, 410 (1997) (extending
Mimms to passengers).
Fifth, the officers did not improperly prolong the detention by asking for
Tran’s identification and searching the car because the officers had at least formed
reasonable suspicion of criminal conduct prior to their investigative steps.
“Although a mere hunch does not create reasonable suspicion, the level of
6
suspicion the standard requires is considerably less than proof of wrongdoing by a
preponderance of the evidence, and obviously less than is necessary for probable
cause.” Navarette v. California, 572 U.S. 393, 397 (2014) (cleaned up). And
Nguyen consented to the vehicle search.
Here, when Officer Elhami asked Tran for identification, he knew several
facts that he did not know when Officer Murphy first stopped the car: (1) that the car
smelled of burned marijuana; (2) that Nguyen had a knife and a small glass jar
containing what appeared to be marijuana; (3) that Tran had an “Asian Boys” tattoo;
and (4) that Nguyen initially refused to get out of his car. And by the time that
Officer Murphy began searching the car, Tran’s identification check confirmed that
he belonged to the “Asian Boys” gang.
None of the cases Tran cites support that any of these actions and inquiries
were unsupported by reasonable suspicion.
AFFIRMED.
7
Plain English Summary
NOT FOR PUBLICATION FILED UNITED STATES COURT OF APPEALS MAR 1 2024 MOLLY C.
Key Points
01NOT FOR PUBLICATION FILED UNITED STATES COURT OF APPEALS MAR 1 2024 MOLLY C.
02COURT OF APPEALS FOR THE NINTH CIRCUIT UNITED STATES OF AMERICA, No.
03Officer Patrick Murphy saw a gray Toyota Camry that had its registration tags scratched or torn off.
04His registration check revealed that the registration had been expired for about two years.
Frequently Asked Questions
NOT FOR PUBLICATION FILED UNITED STATES COURT OF APPEALS MAR 1 2024 MOLLY C.
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This case was decided on March 1, 2024.
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