it was not unheard of that in some prisons the guards were so lax they lost cell block keys ; that in some prisons drugs were on the radar screen , but smuggling out sperm was not ; that in some prisons there was so much overtime the guards couldnt keep their eyes open ; in some prisons the personnel were using their pcs to watch porn instead of inmates ; and in all prisons the record-high population made it nearly impossible , even with the very best of intentions , to keep up with everything going on inside .