and i believe that everybody should know the lord. if you don't know the lord, i encourage you to know the lord. >> i'd just gotten done putting the camera down. my cameraman was walking around. and then i started hearing a bing, like bing, bing, bing. literally five feet away i see this man probably in his late 50s, early 60s, and i look down and i saw these two younger hispanic guys kicking him in the head, like, repeatedly, and his head was bouncing off this pole. >> what you saw here today was actually a battery. they were stomping his head. you can see he's pretty -- pretty messed up. >> the inmate who was attacked survived because of a quick response by staff on the yard. his assailants were sentenced to six months in folsom's administration segregation unit. some of the most violent gang attacks have taken place here at california state prison corcoran's security housing unit, or shu.