A guard checks a cell in a "general population" block at the Corcoran State Prison in Corcoran, California October 1, 2013. The prison was the first in the state with a separate facility built for ... more 
A guard checks a cell in a "general population" block at the Corcoran State Prison in Corcoran, California October 1, 2013. The prison was the first in the state with a separate facility built for Secure Housing Unit (SHU) inmates, where some of the most dangerous prisoners are housed. Picture taken October 1, 2013. REUTERS/Robert Galbraith (UNITED STATES - Tags: CRIME LAW SOCIETY) less 
1 / 17
Reuters | Photo By ROBERT GALBRAITH / REUTERS
Thu, Oct 3, 2013 2:34 PM EDT