i didn't know who he was at this time. he was just a stranger. and when i seen him get hit, i whistled at another guy, and we ran in and grabbed him by his backpack and tried to pull him out. >> scott olson is lying on the ground, bleeding from his head and mouth. >> and that's when that other percussion grenade or tear gas canister came in and blew up. and it blew up right next to his face. >> that was the moment when somebody yelled this guy is hurt and he needs to be carried. >> jesse, ernest, and a few others carry scott out of the street in search of medical help. >> medic! medic! >> what happened? what happened? >> he got hit. >> but he had blood coming out of his forehead and his eyes, his nose, his mouth. and i looked into his eyes, and i spoke to him, and i said, you know, you're going to be okay, we're going to get you to safety, what's your name? >> what's your name? what's your name? what's your name? >> what's your name?