. >> we met gerald at the anamosa state penitentiary in iowa where he was serving two life sentences years earlier he opened fire at the factory where he worked. >> i was suffering from paranoid schizophrenia and didn't know it at the time and my family was trying to get me committed and i refused to go to a mental health place because i was afraid they'd take away my guns. i was a gun collector. i had a lot of guns. i knew once they found me mentally incompetent, i wouldn't be able to have guns anymore. and it developed to the point where i got delusional and hallucinated. i imagined my wife had been kidnapped, raped, tortured and killed by these guys at work. i thought i'd take vengeance into my own hands. and that's what i did. i shot two employees in the head, then i also shot two in the leg. >> riefland's symptoms have been treated with medication for several years. he now works in another factory, the metal shop on prison grounds. >> here you are back in a work environment. your fellow workers, did they know what your crime was? i was curious how that played out. >> i imagine s

>> i came from state anamosa penitentiary. due to an inmate causing some problems.me of throwing -- >> hang on. hang on. >> as our cameras roll, fickling's new neighbors continually attempt to disrupt the interview. >> i'm scared to death where i'm at because i don't know what's going to happen. you know. supposedly they say this is the worst penitentiary in iowa. >> but as we learned later, fickling's new neighbors have equal cause to be wary of him. >> the reason i'm mainly in lockup is because i got in a fight. that was my original thing while i was in ft. dodge. i assaulted an officer with urine and feces. >> i don't want to sound ignorant. how do you use your bodily fluids and throw it on somebody? >> i mean -- i used a cup. i mean, there's crazier inmates. they'll put [ bleep ] in their hand and throw it at you. i mean, you got inmates that will smear it on the walls and write graffiti. it just depends on what your mind frame is. that's not me. you know. i don't do that kind of thing, because, i mean, that shows like a little kid, you know, a little kid playin

. >> our visit to the anamosa state penitentiary in iowa led us to a memorable pair of siblings michael and brad love whose lifelong allegiance drove them to kill. >> growing up i wanted to be him, you know. he was almost four years older than me. i see him running around drinking. breaking into stuff. doing whatever he is doing. i'm like i want to be like him. that's my big brother. that's my idol. so 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 the trailer park. >> christmas night, 1992, me and my brother went to a party with what we thought were friends. but they tried to rob us. take the liquor that we brought. >> they started beating me up. four of them. >> they hurt brad. i couldn't let them get away with that. they threatened his life. and i just couldn't handle that. so we left went to my trailer. i got a shotgun. my brother got a knife. machete. we went back out there and did what we did. >> i remember mike standing there he had the gun pointed at the door of t

. >> john ault was warden at 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 and staff's time much easier. i would much rather have them participate in something positive than talking about how to do a better 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 now lifting at 495. >> other penitentiaries get their weight up. this is how they are doing. get your weight up. >> that's 25. 25. on deck. >> go! go! >> good lift. good lift. you've 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 runs out of air first. the person that runs out of air first is the person that gets hurt. >> in the combat zone you have to be combat ready. and we all know that any minute this yard