he's racked up a lot more time for his violent behavior behind bars. >> i've got life without parole, two life sentences, two 99-year sentences, a 40-year sentence, a 20-year sentence and a 10-year sentence. yeah, i have anger issues. >> we first met bobby gilbert during the shooting of the original "lockup: holman" episode. >> you want us to exhibit some sort of model behavior but yet every avenue is closed to us to do anything constructive. we can't read a novel because we can't have one. i can't play chess through the mail like i used to. >> it's segregation. it wasn't meant to be nice. you ain't here because you were doing something constructive. >> bobby gilbert's mother kathy hartline remembers their abusive household where both she and bobby were exposed to extreme violence. >> 12 years old, bobby saw a lot of abuse. he did. and i guess it's partly my fault.