. >> bill hankins, a long-term inmate at colorado state penitentiary knows about sudden explosions. during a routine strip search, hankins snapped. >> i used to get real frustrated behind these doors. it used to drive me to where i'd be worked up, ooh, wanting to get out. >> hankins is serving life without parole for killing a grocery clerk during a robbery. in this super max facility he is not allowed contact with other inmates, but he is released from his cell for an hour of daily solitary exercise. it's what keeps him going. >> being locked down every day for 23 hours a day and coming out in a little room to work out, you know it was difficult first couple of years, but then i realized, you know, i'm just giving myself high blood pressure. >> while "lockup" crews have shot dozens of workout routines, the strangest has to have been at the miami-dade county jail by two inmates who covered their faces to remain anonymous. >> with the arm right here, and the chest. i'm a trainer. you know? i got him this big. >> after a round of what they called bed lifts, they showed us how they do

now older and wiser, hankins is an inmate at limon. >> this is my 43rd birthday.nk i've been locked up, the only birthday i haven't been locked up for was my 26th birthday. other than that, ever since 1982, from juvenile i've been locked up all the way to adult. i think i've had one birthday on the streets. in what, 25, 30 years? >> so what are the plans for your birthday? >> fellows are making some burritos, but the meal at chow sucks today. it's pizza made with some kind of turkey. so we would be making burritos anyway. >> your future? what's the big sigh? >> what future? i have no future. this is my future. i don't know. >> when we first interviewed him in 2000, he explained how he received life without parole for a murder he committed during a robbery. >> i was out a job, christmas was coming and i needed money. i knew how to make money. it just wasn't the right way and i knew it, you know, and i just guess i programmed myself to believe i could get away with it, you know what i mean. i've got away with a lot of crimes. i've been busted for crimes, you know, b