i think he shot me like five times. >> suddenly, arroyo stops his truck and gets out, aiming his rifle right at smith. >> he's shooting at the deputy. >> he gets out and i'm out of bullets, so i get out of the way. >> with no ammunition, smith is a sitting duck. but luckily, another squad car has pulled over to the right. it's sergeant rusty jacks, armed with a rifle he shoots arroyo from 60 feet away and kills him. >> suspect down. suspect down. >> in my rear view mirror i see him just drop. so i don't know what had happened. i didn't know if i had hit him and it was just a delayed response, i just didn't know. but his truck was still rolling so i just did a u-turn and put my bumper on his front bumper. to keep the truck from rolling. >> deputy sherman dollison, gravely injured at the courthouse, fights for his life