Visitors enter Corcoran State Prison for a guided tour in Corcoran, California October 1, 2013. The prison contains areas known as Secure Housing Units (SHU) that house some of the most dangerous ... more 
Visitors enter Corcoran State Prison for a guided tour in Corcoran, California October 1, 2013. The prison contains areas known as Secure Housing Units (SHU) that house some of the most dangerous criminals in the state. 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 1:55 PM EDT