PALMDALE, Calif.—Authorities asked for the public’s help and offered a $250,000 reward as investigators searched Sunday for the assailant who shot and killed a Los Angeles County sheriff’s deputy as he sat in his patrol car at an intersection.
Deputy Ryan Clinkunbroomer, 30, died at a hospital after being found unconscious in the vehicle while on duty around 6 p.m. Saturday in the city of Palmdale, Sheriff Robert Luna said.