Authorities name man who killed rookie California officer. DA V I S, CALIF

Authorities have identified a man who shot and killed a rookie police officer in Northern California and later took his own life during a standoff with police.

The Yolo County coroner said Saturday the man was 48-year-old Kevin Douglas Limbaugh.

Police said a gunman on a bicycle ambushed 22year-old Officer Natalie Corona, shooting her as she investigated a car accident, then reloaded and narrowly avoided wounding others before walking away. A motive has not been released.