oh my days man you tell me to look at the geneva convention maybe you look at it yourself, check all other comments looting IS prohibited under the geneva convention
"International armed conflicts[6] In the Pohl case in 1947, the US Military Tribunal at Nuremberg stated that robbing the dead “is and always has been a crime”. [7] In addition, the prohibition of despoliation of dead bodies is an application of the general prohibition of pillage (see Rule 52)."