convict code. >> they got their rules, we got ours. >> the convict code is you don't get in other people's business, you don't let nobody know your business, you don't tell on nobody. >> you stick with your own race. you don't talk to other people. >> you might stare at a person, he might consider that as a sign of disrespect. >> any inmate will tell you, that's the set of rules you follow first. >> on their first morning of shooting at utah state prison, the "lockup" crew entered the wasatch a cellblock, home to some of the prison's most violent convicts. we met a group of inmates playing cards and talking about who really runs the prison. >> the guards don't run the section. it's all run by your inmates. they pretty much tell what goes on. a guard does your section. but the inmates are pretty much -- they don't get along, they'll either force them out or they'll get moved. >> they'll get moved. >> they'll get moved. they'll get straight out told, you get your ass down to the pod. >> hit the bus.