few more memorable than stephen parker.a self-proclaimed leader of a white supremacist gang. >> about six months ago, i cut a dude's throat. >> what happened? >> well, he beat me out of some money. me and him had work to do. i kept going back to him. i said hey y'all, you need to pay me my [ bleep ] money. he knew me from other prisons. he knew what would happen if he didn't pay me. i got tired and cut his throat. >> he assaulted numerous other inmates and staffers. he spent most of his time in the administrative segregation unit. >> he's impulsive, he's violent. he's in here for violence. time has not taught him different. >> can i be rehabilitated? >> i could be if i can get over the hatred. i have a lot of hatred. i have hate red for people in jail and society. >> he's a narcissist. he's super -- he loves attention. he loves to micromanage. everybody at his mercy a hard time. he's trying to be somebody. he's trying to define his identity of the demoralization and dehumanization of other people, trying to boost his ego up