>> i sprayed him, actually emptied my whole canister. >> officer burnette, reeling from pepper spray, runs from the room. >> pepper spray burns. it causes your tear ducts, your nasal cavity to open. probably nine times out of ten it's going to incapacitate someone long enough for you to apprehend them. >> but not so with this suspect. >> it almost seemed like the pepper spray aggravated him. >> bergen loses his shirt, then reaches for a chair and hurls it at officer shannon. >> in the moment of the fight, didn't even feel the chair. >> the brawl moves off camera in front of an adjacent row of lockers. >> when you see the lockers moving, that's me hitting him a second time. this time in the chest. it doesn't stop him.