Los Angeles County sheriff’s Deputies fire 33 rounds at gunman

(CNN) – Los Angeles County officials are investigating the shooting of a man killed by deputies who fired 33 rounds.

Footage released by the Sheriff’s Department showed Nicholas Robertson, 28, walking down a road in Lynwood on Saturday morning carrying a gun in his left hand.

Witnesses reported seeing Robertson behaving erratically and shouting expletives, Los Angeles County Sheriff’s Capt. Steve Katz said.

Katz said at one point, Robertson walked into a pizza store carrying the gun and left.