with a strict regimen that inmates must adhere to for 90 days or they are dropped. >> we have approximately 58 rules in our facility. and it's kind of funny, but they could go like if they don't have their keys on them or their locks on their locker or if they leave the books out or the chairs down. we want them focused. we want them thinking. we don't want them too comfortable. we want them always working on themselves. >> sofield faces an additional challenge. >> i'm 6'3", and if you turn your feet hit this thing, and i if i fall asleep, have i drug dreams. i guess that's natural. but you're having drug dreams and you're not using drugs. >> sofield has battled addiction to heroin for the last several year, and he believes if he does not clean this time, he will lose the support of his family and everything else he values. >> mr. lopez, the c.o. in charge of the program, i give him a lot of respect, because he has put up with a lot of nonsense in this place.