population. >> an individual can be in good favor with the gang for years, can do their dirty work, smuggle drugs, stab people, beat people, do whatever, but if he says the wrong thing to the wrong person someday, or looks funny at somebody, somebody thinks he is disrespected by him, he's through. they'll stab him, they'll kill him, they'll toss him away like he's nothing. >> a lot of them get tired of prison politics. they're tired of being asked to go out there and asalt other inmates. they just want to kick back, do their time and get out of prison. >> when we first visited corcoran, thomas spiller was a high ranking gang member who requested a debriefing. he was just four years into a