Los Angeles County Sheriff tells deputies to watch each other's back as search goes on for shooter

ABC NewsBY: BILL HUTCHINSON and MATT GUTMAN, ABC News (NEW YORK) -- As the FBI joined a massive search for a gunman who ambushed two deputies, Los Angeles County Sheriff Alex Villanueva said he's worried about more...

September 14, 2020Updated: September 14, 2020

By News Channel Nebraska