Anthony Williams, 41, Connor Brown, 22, and Zacharia Luz, 42, were killed in the July 30 fight at Ely State Prison.

Charges against the 20 defendants include first-degree murder and attempted murder with gang enhancements, prosecutors said.

As South Carolina prepares to execute a man by firing squad on Friday, here are the ways each state conducts capital punishment.

Nevada prosecutors say 20 people in all have been charged in connection with a brawl at a maximum-security prison in Nevada ...