nitrogengas

Alabama carries out first nitrogen execution as inmate who long maintained innocence dies Alabama executed Anthony Boyd on Thursday night using nitrogen hypoxia — a little-used method of suffocation — marking a stark moment in the U.S. debate over capital punishment. Boyd, 54, who consistently denied killing 32-year-old Gregory Huguley in 1993, was pronounced dead at 6:33pm Central, the Alabama Department of Corrections said. "He was pronounced dead at 6:33pm Central time," the department announced, closing a case that has…