Michael Archuleta , 49 , was convicted in a brutal double murder in Utah . Death warrant signed this week allows for death by firing squad . Last known firing squad execution was in June 2010 . The state has filed several appeals over the case .
Michael Archuleta , 49 , was convicted in a brutal 1988 killing in Utah . Death warrant signed this week allows for death by firing squad . Last Utah firing squad execution occurred in June 2010 . The prisoner has filed several appeals over the years .