First U.S. firing squad execution in 15 years South Carolina is to put the first person to death by firing squad in the U.S. in 15 years. Brad Sigmon opted for the firing squad over the electric chair and lethal injection Brad Keith Sigmon, 67 Convicted of killing his ex-girlfriend’s parents in 2001 .308-caliber Winchester 110-grain TAP Urban Breaks apart on impact. Fragments spread out with aim to destroy as much of heart as possible 71.1mm Hood over head Execution chair: Steel-made, sits on top of catch basin Bullet-resistant glas between witness room and execution chamber Three Corrections Department volunteers fire through wall opening. All three rifles have live ammunition Aim point placed above heart Sandbags 4.6 metres Sources: AP, U.S. Death Penalty Information Centre Picture: Newscom © GRAPHIC NEWS