Manhunt intensifies for killer of newly engaged LA deputy ambushed and fatally shot

Authorities are searching for a car captured in surveillance video driving near the Los Angeles sheriff's deputy who was ambushed and fatally shot while on duty. The deputy, Ryan Clinkunbroomer, was found unconscious and later pronounced dead. The shooting appears to have been targeted, but the motive is unknown. The sheriff's department released photos of the vehicle and is offering a reward of up to $250,000 for information leading to the arrest and conviction of the person responsible. This incident follows a recent increase in ambush-style attacks on law enforcement officers.