Alan Miller's execution marked the second use of nitrogen hypoxia. Instead of the “humane” death promised by Alabama, witnesses saw him thrash and jerk on the gurney, shaking and pulling at his restraints. boltsmag.org/alabama...

“Agony” and “Suffering” as Alabama Experiments with Nitrogen Executions

The state said Alan Miller’s execution by lethal gas would be “more humane.” He writhed and gasped for air in his final moments.