A convicted double murderer is set to die by firing squad in South Carolina on Friday — the first execution of its kind in the US in 15 years. Brad Sigmon, 67, personally requested the unusual punishment after fearing the electric chair would “burn and cook him alive,

South Carolina plans to execute its first prisoner by firing squad on March 7 inside the same death chamber it's used for dozens of other executions. Firearms experts say that could be risky.