A Johnson County, Kansas, jury convicted Andrea Cothran on May 14, 2026, of first-degree murder in the death of Fairway Police Officer Jonah Oswald [1]. The charge arose from events in August 2023, when Cothran and co-defendant Shannon Marshall allegedly stole a vehicle and fled from police, triggering a high-speed chase that ended in a shootout [1]. The case proceeded to trial in Johnson County District Court in Olathe on the single count of first-degree murder, which in Kansas encompasses both premeditated murder and felony murder [1].
Jurors began deliberations on May 14 and returned the conviction within hours [1]. The prosecution's theory rested on Cothran's role in the underlying felony, the vehicle theft and ensuing chase, as the predicate for felony murder liability in Officer Oswald's death during the terminal confrontation [1]. Marshall's case appears to remain pending, as the sources report only Cothran's trial [1].
Sentencing has not yet been scheduled [1]. Under Kansas law, a first-degree murder conviction carries a mandatory sentence of life imprisonment with a minimum term before parole eligibility; the precise minimum will be set at sentencing. Cothran's appellate options include a direct appeal to the Kansas Court of Appeals on any preserved trial-court error, followed by discretionary review before the Kansas Supreme Court.