>> tell them you're going home. you don't do that on my yard. you know that. and if i catch you out here and you don't go home, i'm going to be looking for you. go home. >> sorry, what? >> when it comes to inmates' feelings about correctional staff, our producers have heard a wide range of opinions. we met christopher carrillo inside a heavily graded cell at san quentin. >> you give respect, you get respect. a lot of people say these guys don't treat us right. at times they don't, but it's hard when you've got a lot of people in here. can't be happy too much in prison. it's not disneyland. >> but an inmate at another california prison had a harsher view the cos. >> i hate cops. they're diabolical. they're petty. they present to the public that they're law and order, this and that, but in here they'll stab you in the back. they write false write-ups. they got a hidden agenda. they want to keep us locked up in here so they make money. you know, this is a prison industrial complex. it's all about money. >> there is one place, however, where trust is put to the ultimate test.