" 
 :the killing of any soldier after they have been taken as a prisoner of war and are ""out of the fight"" is a breach of the international law of war unless they are sentenced to execution for crimes they have committed, and then only after a proper judicial process has been carried out. Regardless of what crimes they may have committed themselves. The killing of a prisoner of war ""out of hand"" is a war crime. It is a fundamental principle of the law of armed conflict.    "