you can blow this whole prison up and kill everybody in it. just feel like, man, if i could just do society a favor. >> bobby gilbert, whose friends call him snake, was locked up for murder when he was 18. 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.