Los Angeles deputy shot and killed after being ‘ambushed’ in his patrol car

Ryan Clinkunbroomer had become engaged just four days before he was slain in brazen attack in Palmdale

A gunman ambushed" a Los Angeles county sheriff's department deputy in his patrol car Saturday night, shooting him to death in a particularly brazen attack, authorities said.

The deputy, Ryan Clinkunbroomer, was found unconscious in his vehicle near the intersection of Sierra Highway and Avenue Q in Palmdale, California. A passerby discovered the mortally wounded deputy and then alerted authorities.

The Associated Press contributed reporting.