officer needs help. [ police siren wails ] brenda: air 19, this is chief brenda leigh johnson. i'll be there in two minutes. yeah, roger. advised. en route, two-minute e.t.a. control, be advised. we need ghb units here now. [ tires screech ] pull over! pull over or i'm gonna blow your head off! [ tires screech ] [ grunting ] [ grunting ] pilot: we got an officer hanging out of the side of the big rig. we're coming up on a blue flatbed truck. we are proceeding westbound -- red valley road. [ horn honking ] [ sanchez grunting ] oh! moved out of the way. got right out of the way. [ both grunting ] [ horn honking ] [ horn honking ] [ siren wailing ] lieutenant tao? you son of a bitch! lieutenant tao! air 19, where's my backup? pilot: yeah, roger that. hey, control, if you've got the sheriffs on board, get the sheriffs. they're closer. we need somebody here now. all right, coming to a construction site now, guys. i don't know where he's gonna go on this one. [ brakes screech ] [ grunting ] detective sanchez, that's enough! julio! i think he broke my arm! take it easy! i know my righ