States Turn to an Unproven Method of Execution: Nitrogen Gas

As problems mount with lethal injection, Alabama, Mississippi and Oklahoma are developing protocols for using nitrogen to carry out the death penalty. Little science exists about the method. DENISE GRADY and JAN HOFFMAN https://ift.tt/2FRb2QU https://ift.tt/2KKkJEG The New York Times Health Capital Punishment, Nitrogen, Death and Dying May 7, 2018 at 12:00AM