>> is that yost? have you seen him on the yard? watch for him. watch out for that dude. watch his movement. >> we found information, we received a kite saying that if yost gets three feet next to this guy, he's going to hit him. he's going to hit him. >> what's my role here? i'm an [ bleep ]. in their mind, i'm a [ bleep ]. i'm constantly agitating them. and i won't quit. >> ultimately yost may not have a choice. >> time's ticking. i'm sick from hepatitis c virus from shooting dope for so many years. the treatment that i've been on for a year and a half isn't working. i'm liver stage 2. i'm tired, can't get no expression out. all my family died, one by one. >> what is your future? >> death. what's yours? death. >>> up next on "lockup: raw, hard time." >> he's a big, powerful, scary guy. he's the kind of guy that would have been a formidable opponent in a cell extraction. >> i got some criminal tendencies, okay, ain't like i'm in here for nothing, all right? >> one inmate pushes correctional staff to t