victor sanchez will require medical attention. >> his obvious injuries are a black eye and a cut on the back of his head. sergeant tucker now takes over from sert in finding out what happened. >> i saw you swinging at him. you both had him cornered. you want to stand there and lie to me some more? >> right, there was a lock down for nothing. what did you hit him with? >> my hand. >> who had the thing that cut the back of his head open? >>. >> oh, i don't know about that. >> right. >> as tucker interrogates, sanchez undergoes his medical evaluation where an entirely new injury is discovered. >> who threw the water on him 1234. >> i don't know about that. >> who threw the water on him? >> sir, with all-due respect, none of those injuries -- >> that wasn't fresh. who threw the water on him? >> that wasn't me. >> while hernandez and lomez acknowledge fighting with sanchez, they insist some of the other injuries were from a fight two days earlier. so sergeant tucker calls the officer who was on duty at the time and the story seems to check out. >> because officers did not witness the fight a