. >> inmate marty begay came here 11 years ago after he was convicted of murder during an attempted robberyed getting into my roots when i came into prison around six years ago. and i was approved to have my medicine bag and my herbs. they say you lose yourself in here and get caught up in all the negative stuff that prison has to offer, so when you come in here, you know, you forget all that stuff, you know. >> this sweat box ceremony is really to purify their system, their physical self, emotional, mental, spiritual, like that. this is really what it's for, to cleanse, you know. >> before i used to come to the sweat lodge, you know, i was quick to get angry at the staff members and stuff like that. but now, you know, if a staff member gets me angry, you know, i just let it pass by. yeah, you feel better, you know? sweat all that out, all the negative stuff. >> hi, baby. >>> next on "lockup" -- >> hi, baby. >> hi, baby. >> how good behavior is rewarded behind bars. >> if i would never have got locked up, i would have never learned nothing like this. ur ca years. you named it brad. you love