Utah Supreme Court

When can Utah police conduct Terry frisks during traffic stops? State v. Warren Explained

2003 UT 36
No. 20020002
September 12, 2003
Affirmed

Summary

Officer Swensen performed a Terry frisk during a routine traffic stop after Warren committed signaling violations, despite testifying he had no reason to believe Warren was armed. The frisk revealed cocaine and other contraband. The court of appeals reversed the trial court’s denial of Warren’s suppression motion.

Analysis

The Utah Supreme Court’s decision in State v. Warren provides crucial guidance for practitioners handling Fourth Amendment challenges to Terry frisks conducted during routine traffic stops. The case clarifies the analytical framework courts must use when evaluating the reasonableness of protective weapons searches.

Background and Facts

Officer Swensen observed Warren in downtown Salt Lake City at 4:45 a.m., suspecting drug activity or prostitution based solely on the hour and location. After Warren committed traffic violations, Swensen stopped the vehicle and ordered Warren out to sign citations. Despite Warren’s cooperative behavior and Swensen’s testimony that he had “no reason to believe Warren was armed,” the officer performed a routine Terry frisk for weapons. The frisk revealed cocaine and other contraband.

Key Legal Issues

The case addressed two critical issues: (1) what role an officer’s subjective belief plays in the objective reasonableness analysis for Terry frisks, and (2) how courts should factor the inherent dangerousness of traffic stops into the totality of circumstances evaluation.

Court’s Analysis and Holding

The court established that Terry frisks must be evaluated under an objective standard considering the totality of circumstances. However, an officer’s subjective belief may be factored into this objective analysis, though it cannot alone validate or invalidate a frisk. The court also clarified that while all traffic stops are inherently dangerous, this danger can be mitigated by ordering occupants from vehicles. Applying these principles, the court found insufficient articulable facts to justify the frisk, noting that Swensen’s suspicions were “better classified as hunches” rather than reasonable inferences.

Practice Implications

Practitioners defending suppression motions should scrutinize whether officers can articulate specific facts beyond routine traffic violations and general safety concerns. The decision emphasizes that cooperative behavior, denial of weapons, and absence of alarming actions weigh against frisk reasonableness. For prosecutors, the case underscores the importance of developing a complete factual record of objective indicia supporting reasonable suspicion of armed dangerousness.

Original Opinion

Link to Original Case

Case Details

Case Name

State v. Warren

Citation

2003 UT 36

Court

Utah Supreme Court

Case Number

No. 20020002

Date Decided

September 12, 2003

Outcome

Affirmed

Holding

Terry frisks must be evaluated under an objective standard considering the totality of circumstances, but an officer’s subjective belief may be factored into the objective analysis, and inherent dangerousness of traffic stops is a factor that can be mitigated by ordering occupants from the vehicle.

Standard of Review

Correctness

Practice Tip

Document specific articulable facts beyond routine traffic violations to support Terry frisk justification, as officer safety concerns alone are insufficient without objective indicia of dangerousness.

Need Appellate Counsel?

Lotus Appellate Law handles appeals before the Utah Court of Appeals, Utah Supreme Court, California Court of Appeal, and the United States Court of Appeals for the Tenth Circuit.

Related Court Opinions

    • Utah Supreme Court

    Utah Resources International v. Mark Technologies

    December 23, 2014

    District courts lack authority to abate interest under rules 62 and 60(b), and parties must seek satisfaction of judgment under rule 58B after valid tender to abate interest.
    • Appellate Procedure
    • |
    • Statutory Interpretation
    Read More
    • Utah Court of Appeals

    Gillmor v. Family Link, LLC

    January 14, 2010

    Res judicata bars claims seeking public highway dedication where the same parties previously litigated private access rights over the same property motivated by the same goal of obtaining access.
    • Appellate Procedure
    • |
    • Property Rights
    • |
    • Standard of Review
    Read More
About these Decision Summaries

Lotus Appellate Law publishes these summaries to keep practitioners informed — not as legal advice. Each case turns on its own facts. If a decision here is relevant to your matter, we’re happy to discuss it.