AdvertisementAuthor Says Hitler Was 'Blitzed' On Cocaine And Opiates During The WarPlay35:33Download AudioMarch 07, 2017NPR StafffacebookEmailGerman dictator Adolf Hitler gives a speech in October 1944. Author Norman Ohler says that Hitler's abuse of drugs increased "significantly" from the fall of 1941 until the winter of 1944. (Keystone/Getty Images)