. >> 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

on our last day at anamosa we ran into t-bone taylor as he was moving into a new cell.wn mortality and the place at anamosa where someday his sentence will end. >> ain't nobody going to take my body when i do die. so, you know, my plans is already, you know, i let the institution bury me up on the hill. i didn't even have staff say they will come and tend to my grave site for me, you know. >> so that means you'll be at anamosa? >> forever. i'm terrible at golf. he is. people say i'm getting better. no one's ever said that. but i'd like to keep being terrible at golf for as long as i can. he's just happier when he's playing. but he's terrible. for the strength and energy to keep doing what you love, try new re enlive. only patented ensure enlive has hmb, plus 20 grams of protein to help rebuild muscle. and its clinically proven formula helps you stay you. oh. nice shot. new ensure enlive. always be you. sir, this alien life form at an alarming rate. growing fast, you say? we can't contain it any long... oh! you know, that reminds me of how geico's been the fastest-growin

yeah, that sucked. >> brad was transferred to anamosa.nly to find a long lost relative was already doing his own time there. >> my father was in here for messing with kids. and you know, i ain't cool with that. and he tried talking to me but i told him, you know i ain't got no respect for you for what you did. >> i hate that. that's the worst crime that you can do, including the crime that i did of murder. i think that's worse. >> in 2003, their father died of a heart attack while still incarcerated. when their mother became ill, authorities approved michael's request to be moved closer to her home. which reunited the brothers at anamosa. >> it's just excited to see him again, man. you know it's my brother. >> you can't ask for a better [ bleep ] to hang out with. >> the love brothers may have found their place. but as we learned, their bond has yet to face its ultimate test. >> i'll never see him again. once he gets out of prison, that's it. i'll never be able to visit my brother again. because of iowa law. anybody on paper or parole can

. >> john alt was warden at the anamosa state penitentiary at the time we shot there. >> any time you can have inmates participate in some type of meaningful activity it makes their time easier. it makes staff's time a lot easier. i'd much rather have them participate in something positive than sitting around with nothing to do and talk about maybe how to pull an armed robbery or plotting against us or fellow staff members. >> during our shoot at indiana state prison, authorities even allowed for a weightlifting competition. >> lions, 495. lyons now lifting at 495. >> other penitentiaries get that weight up. that's how they're doing it. get your weight up. >> this is 25. >> 25. on deck. we push. on deck. >> let's go! go! >> good lift. good lift. you got it. >> of course, in prison, there's also a practical side to staying in shape. >> if you ever come against somebody who wants to approach you in a negative way, attack you in a fight or something, you don't want to be the person that's going to run out of air first. the person that runs out of air first is the person that gets hurt. >

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