>> that code of conduct is the convict code. and the penalties for violating it can be severe. >> the fourth deck's pretty high, you know. people take an elevator ride. the problem is there ain't no elevator. the fall doesn't hurt them. it's the sudden stop at the end. >> utah state inmate tony duran is well-versed in the convict code. he has spent the majority of the past 23 years behind bars for burglary, robbery, and a slew of parole violations. >> the convict code is a person that carries himself with respect. he doesn't -- he only talks to the man when he has to. you know, he don't sit there and kick it with the man. you don't tell on nobody. you don't let nobody know your business. you don't get in other people's business. you respect yourself. you respect others around you. >> but these days old-time inmates like duran all agree the convict code is changing. >> well, because the different