Gerardo "Jerry" Estrada was killed in the Sept. 19 crash, which remains under investigation. The officer driving was responding to a call in the 6100 block of Piedmont Avenue at 7:15 p.m. and headed north on Figueroa Street to help establish a perimeter while police searched for a felony warrant suspect, said Capt. Mike Bland, a department spokesperson. The officer, Bland said, was driving with their siren on and emergency lights flashing when they hit Estrada.