At approximately 5:11 p.m. on September 28, 2026, Officer Liles was on duty when he was involved in a traffic collision on State Route 99, just north of State Route 190 in Tipton. Officer Liles was riding his patrol motorcycle when it collided with a truck-tractor. He was ejected and then struck by a passing vehicle. Despite immediate life-saving efforts, Officer Liles succumbed to injuries sustained in the collision and was pronounced deceased at the scene.

Officer Brian Liles, age 44, honorably served the California Highway Patrol for more than 16 years. Following his graduation from the CHP Academy in 2010, he served in the San Jose, Hayward, and Fresno Areas before transferring to the Visalia Area in 2019.

He is survived by his wife, two children, his parents, and two sisters.