>> it's not race or nothing like that, it's just -- >> right. >> people just stay with their own race. it's just been like that since i been in cdc. >> that's how the politics are right now. you either stay with your own or suffer some consequences later. >> our producers saw these consequences firsthand on "a" yard. corcoran's maximum security population. >> it looks like right now we had an attempted homicide between two inmates. we've got a crime scene established. you've got the investigative services unit, the security squad out there. and they're collecting evidence. >> because of the severity of the incident, our cameras are not allowed past the perimeter fence. >> we did locate a weapon, and the victim had some pretty serious injuries, so at this point we don't want anybody that's not supposed to be on the yard on the yard because of the crime scene. so there being an investigation, we want to make sure that we do everything right.