- South Carolina Executes Inmate by Firing Squad The New York Times
- A South Carolina man executed by firing squad is the first US prisoner killed this way in 15 years WBAL TV Baltimore
- South Carolina inmate executed by firing squad for first time in US since 2010 CNN
- A firing squad is executing Brad Keith Sigmon in South Carolina today. What to know. USA TODAY
- South Carolina plans to carry out a firing squad execution. Is it safe for witnesses? NPR
