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.
CNN; Google Earth; Antonio Meloni; Eve Read; Rai News; Twitter / @roccocesetti; Twitter / @Francescorocca
KCRA; Yuba County Sheriff's Office via CNN
WCBS; Susan Gardner/Facebook via CNN
KFYR via CNN
KPRC via CNN
WGCL via CNN
Sign up for Breaking News, Daily Headlines, Severe Weather Alerts & more!