>> many of these inmates are serving shorter sentences for nonviolent crimes and parole violations. corcoran's gang population has grown so large that even a level one yard isn't free of politics. >> we received the information off an inmate on our northern image on here, how to behave and not cooperate with staff. in conjunction with my staff. we talked about the northern infraction on the yard. i've asked them to start searching these guys, and find out what's going on. it's really indicative of these inmates that they write this small so it's hard for you to read. >> you have to look in the smallest places to find these things. sometimes they're just in the most commonplaces. this one i can't get out. usually it's the code of conduct or hits they want taken care of on the yard. or background checks on other northerner's that hit the facility.