Riverside Mourns Officer Killed in "Cowardly Ambush" - NBC Southern California

    Riverside Mourns Officer Killed in "Cowardly Ambush"

    Riverside Police Chief Sergio Diaz says two civilians came to the aid of a pair of officers attacked in an early morning shooting while on duty. Authorities suspect ex-LAPD Officer Christopher Dorner ambushed the pair while they were stopped at a traffic light. Michelle Valles reports from Riverside for the NBC4 News at 6 p.m. on Feb. 7, 2013. (Published Thursday, Feb 7, 2013) Riverside Police Chief Sergio Diaz says two civilians came to the aid of a pair of officers attacked in an early morning shooting while on duty. See More