.THE MAN in the mobility device, driven along by three buddies, looks like any other patient in the Ibn Sina health center in the West Bank. So does the lady in a headscarf evidently carrying an infant. Others, in scrubs, resemble medical workers. However instants later they pull out rifles as well as kill three Palestinians. Within ten mins they are gone. Israel says it dealt with three revolutionaries during the raid on January 30th as well as fended off a primary assault which impended. Yet masquerading contenders as medical employees possibly ruptures international regulation, which restricts "perfidy". What is actually that criminal offense?