If he was cuffed & shot that would be a different story.
He was not cuffed & anything could have happened.
He was an enemy combatant. clo
‘Enemy combatant’ shall mean an individual who was part of or supporting Taliban or al Qaeda forces, or associated forces that are engaged in hostilities against the United States or its coalition partners. This includes any person who has committed belligerent act or has directly supported hostilities in aid of enemy combat forces.”