you know, i've done a lot of time. i've been doing time on and off since i was 12 years old. >> when we first met harper he was serving his third year in administrative segregation or solitary confinement for having assaulted correctional officers. >> in my opinion, duane is a really stressed out individual. >> don't just strip me out for talking. strip everybody out for talking you racist old [ bleep ]. >> shortly after "lockup" arrived at kentucky state penitentiary, officers had to extract harper from his cell again. >> he threatened us with throwing feces on police officers, spitting on us through the door, he threatened our families. >> a lot of the older ones like lieutenant gill, all of them, they know me from when i was a youngster back down here