iowa state penitentiary. there is a separate facility at iowa state penitentiary called ccu. the inmates who are considered mentally ill are housed here. lieutenant john fedler oversees the correctional staff at ccu. >> the staff have been through specialized training to deal with the mentally ill inmates. >> up to 200 men can be housed at ccu. most of them reside in single cells in one of the four general population pods. >> i'm here for depression. i was out on work release. i escaped from a work release center because i couldn't find a job. i robbed a bank in my hometown where the center pfswas. i got in a high-speed state with troopers in missouri and local law enforcement. i hit one of the state troopers head-on. tried to commit suicide. and i killed a state trooper. i got 20 years fed. and five years for escape. i got a detainer in missouri for -- >> open 11. >> 22-year-old caleb's physical appearance is a testimony to his many crimes beginning with an addiction to methamphetamine. >> i was about 18 years old. thought i'd make a little bit of money cooking some dope. a

at iowa state penitentiary, we found that the most brutal violence is sometimes against oneself. >> opentter suffered severe burns over two-thirds of his body when the methamphetamine lab he was running exploded. when we interviewed etter, he was also serving time for both sexual assault and for attacking a peace officer. >> i push everything to the limit, because as you can tell, i think i'm unstoppable. i think nothing can stop me. nothing will ever kill me. i thought i was god. reality check, i'm not. >> in spite of his calm demeanor, a few hours after this interview, etter got into a verbal confrontation with a female correctional officer that quickly escalated. c.e.r.t., the correctional emergency response team, was called in to extract him from his cell. >> d-11. he's been banging his head on the door, spitting on the glass. refusing to move or comply with any orders. we have permission to use force to extract him from his cell. >> for security reasons, the prison videotapes all extractions. >> you ready to move? >> put your hand out. other one. >> a mask is placed over etter's hea

. >>> james "t-bone" taylor was one of the most respected inmates among inmates at iowa's anamosa state penitentiaryime cop killer but when one of the victim's sister forgave him, he inspired a group called s.a.v.e., seriously acknowledging victims' emotions. >> this group is like after-care. you know, it get guys chance enough to come and sit down and find out why they have behaviors that they have. >> our cameras rolled as inmates involved in the program met with families of victims. >> our past action implied we had no regard for human life. today we know what it is feel, see hear and all the insanity and destruction and this whole thing is about not us coming up here looking for pity because we're not looking for pity. what we're looking for is an understanding that we know we did wrong. >> well, it affects me in a sense because i know that the impact in these later years what i done and i don't do this to think i'm getting out of the penitentiary because i'm not but it give me a sense of understanding. it give me a sense of responsibility for my own actions. >> the day was especially personal f

but the sex offender we met at iowa's anamosa state penitentiary has a very different existence.y every hour of every day inside a small protective custody cell where he never sees the sun. >> what happened is they accused me of killing a little girl back in 1994. and next thing i know i'm in prison and then there's people talking about a contract supposed to be out on me. >> morgan was convicted of kidnapping, raping and murdering a 9-year-old girl. he is serving life without the possibility of parole. >> there's been a lot of threats against me, and it was a high-profile crime at the time. everybody in the system knew about it and, of course, they're all trying to stand up and be a righteous convict. and it's like oh, well, i only rob banks. or i only do drugs. i only sell crack to kids. but this guy, he killed one, so now we're going to go and we're going to kill him. >> protective custody inmates like morgan are locked in their cells 23 hours a day. to keep them from other inmates. >> at first it's claustrophobic being in a little cell 23 hours a day. but it's -- you know, af

. >> anamosa state penitentiary is a maximum security facility located in eastern iowa. home of some of the state's most violent offenders. one would think that the overcrowded conditions would lead to a constant barrage of bloody confrontations. well, think again. behind the walls of anamosa is a world of unusual contrast. >> to the security office. >> for new inmates arriving at anamosa state penitentiary, the very look of the prison can be intimidating. more than 100 years old, it was built entirely of limestone from nearby quarries. over the years, as the criminal population increased, so did the size of the prison. today, some 1,300 inmates live behind the massive 35-foot-walls and, like any prison, the threat of danger is everywhere. >> around our perimeter we have seven gun towers. they're manned throughout the day. >> the danger is there each time you walk through that gate, you know. you don't know what's going to happen from the time you get on shift to the time you get off shift. >> there's only two types of people in prison. you got the predators and you got t

. >> our visit to the anamosa state penitentiary in iowa led us to another memorable pair of siblingsmichael and brad love. whose lifelong allegiance drove them to kill. >> growing up i wanted to be him. you know. he was -- he's almost four years older than me. you know and i see him running around drinking and breaking into stuff, and doing whatever he's doing. and i'm like, i'm going to be like him. that's my big brother. that's my idol. and so you know i kind of followed in the same footsteps. >> but as the love brothers revealed to our crew, those footsteps led down a bloody path that ended at a holiday party in their trailer park. >> it's christmas night, 1992. me and my brother went to a party with what we thought were friends. but they tried to rob us to take the liquor that we had brought. >> they started beating me up. there was like four of them. >> they hurt brad. i couldn't let them get away with that. they threatened his life and i couldn't handle that. so we left, went to my trailer, i got a shotgun, my brother got a knife, a machete and we went back out there and did wh