. >> the ex-gang unit was night and day different than any of the active units we had been to. inmates had a sense of relief that getting out of the gang provided them, and it showed. >> the ex-gang unit is the only place where those affiliated with warring gangs live together peacefully. but they're fully aware their decisions to leave their gangs carry consequences that could follow them forever. >> we always tell any ex-member of any major prison gang, your life is in danger. there is somebody out to get you. it is going to happen. just remember that you were part of a criminal enterprise and you left it, and there is by their bylaws a hit on you. >> that's the way it goes. you're in it for life or you're dead, you know, there's no -- there's no way out of it. >> victor, who requested we only use his first name for security reasons, once a lieutenant in the mexican mafia. he defected, while serving a prior 23-year prison sentence for kidnapping and aggravated assault. victor was back in the bexar county jail on a parole violation. >> when a mafia member decides to defect aft