Intelligence officers are shedding more light on prison gangs and how the Department of Corrections tries to handle them. The gangs are active in the prisons and clearly, highly organized.
Win McNamee/Getty Images
CNN, KTVI, KMOV, KSDK, Facebook
CNN, YouTube, Procter and Gamble, Anheuser-Busch, Johnson and Johnson
KGO, Ranjit Steiner
Sign up for Breaking News, Daily Headlines, Severe Weather Alerts & more!