gang. so it's easy, again, to re-establish yourself. >> so a lot of them they go in sny, they see older inmates, weaker inmates, and they band together again whether as a formal gang. we have dropout gangs. or even just a group of four or five, you know, bigger guys that just want to pressure other guys out of anything, out of money, out of clothing, out of food, out of anything they can get out of them. >> lieutenant munoz must now determine whether de la cruz is a victim of a gang or an active gang member himself. perhaps one who has requested protective custody under false pretenses. >> one of the two terms that they use is sleeper. it's one of the names. you know, he's a sleeper. he's coming in under radar. the other one they term they use, he's a torpedo. he's coming in and he's got a target and he's going to find his target, and explode on a guy. so i questioned him about that. >> while de la cruz still refused to give officials any information about the attack, later, he was willing to tell us why he decided to drop out, and seek protective custody. >> because in my hood, they're all lik