personal possessions or any other privileges. they even have their mattresses removed during the day. >> what is the purpose of taking your mattress? that's just torture. this is what little bit of stuff they leave you with. they take all your clothes and leave you with two t-shirts, two pair of boxers. i've got my toilet tissue wrapped up in here to use as a pillow and roll all that up on my bed and use that as a pillow. >> the main goal is voluntary compliance or disciplinary segregation does gain compliance. they might think next time before they break a rule in jail. >> and bell admits that segregation has had an impact. >> i ain't doing [ bleep ] in jail. nothing. i'm staying in my lane. i'm not associated with nobody else in jail. i ain't having no conversations with anybody else in this [ bleep ] jail. i'm good. i'm chillin'.