>> but there's another side to randi stamper. he's serving a 25-year sentence for attempted murder. >> i shot somebody for stupid reasons. >> what? >> shot them for getting me, like, the bottle -- wrong bottle of vodka. stole his truck, 18-wheeler. >> in this previously unaired footage, stamper also claims to use his sexuality to manipulate other inmates. >> you target people with weaker minds. easier targets. like -- kind of like what i would be in a rougher prison. i target that and start talking and flirting with them. to them it's like having a woman in here. so they are willing to give up more things. it doesn't have to be sexual. it's just the presence. you know, i know it's in their mind. but the -- the trick behind it is to try to not do it that way. and to still get the item. >> though it's against the rules, stamper has found ways to engage in another activity that