. >> we met earl hymer at california's kern valley state prison. >> i have 37 year sentence.acts on a minor, 14 years old. >> this was not his first time in prison for his first sex offense. >> my wife deemed it necessary that i be arrested for attempted rape of your wife, you know. >> hymer lives in the prison's protective custody wing. ironically, during his first prison term he was one of the inmates who targeted sex offenders. >> you know, i've participated in helping hunt for child molesters. well, this guy said he's a child molester. this is a child molester. you catch them out in the yard you go through his stuff and read his paperwork. find out what they're in for. yes he is or no he's not. >> then what? >> generally somebody will catch him in a day room or tv room or whatever and punch him in the mouth, tell him to roll it up now. and if he blinks twice or hesitates just a little bit, like i was saying a minute ago, if you sit down and well, wait a minute. let me explain. too late. now you're beat up, stabbed, whatever. they take imto the next level immediately. >> h