.THE guy in the mobility device, pressed along through three companions, looks like every other client in the Ibn Sina healthcare facility in the West Bank. Therefore performs the woman in a headscarf seemingly holding a child. Others, in scrubs, look like health care staff. Yet seconds later they take out rifles and eliminate three Palestinians. Within ten minutes they are gone. Israel mentions it got rid of 3 terrorists during the course of the bust on January 30th and avoided a significant assault which was imminent. Yet disguising fighters as clinical personnel most likely breaks worldwide rule, which forbids "perfidy". What is actually that crime?