Factories of Death: Japanese Biological Warfare, 1932-1945, and the American Cover-Up - Paperbackby Sheldon H. Harris (Author) Factories of Death details the activities of the Japanese army scientists that conducted numerous horrifying experiments upon live human beings. It investigates who from the upper echelons of the Japanese military and political establishments knew of the experiments, also the question of whether or not Allied POWs were subjected to such tests, and the nature of the deal that was brokered with US authorities after the war.