valentino will soon have a disciplinary hearing, which could result in a stay in segregation. >> valentino, which bunk are you, top or bottom? >> if officials choose to, they can also rescind days. valentino has taken off the sentence due to good behavior. nothing else turns up. the majority of jails and prisons in which we visited deal with illegal drug use inside the facilities on a daily basis. at the hamilton county justice center in cincinnati, ohio, we met one inmate who got hold of some heroin. snorting it was nearly the last thing nicholas o'neal did. >> what happened here? >> i died. i was in a respiratory arrest. my heart stopped. cpr brought me back. >> you were technically dead? >> i was dead. >> your heart stopped? >> yeah. that's what they tell me. >> he was found unresponsive in his cell. they had to call the ems team. they came in and determined he was overdosing on some kind of narcotic. >> the guy slipped it under my