>> people just stay with their own race. it's just been like that. >> 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 have a crime scene and the security squad out there 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 on yard to be on the yard because it's a crime scene. this is an investigation, and we want to make sure that we do everything right.