AdvertisementProbe Details Culpability Of Nazi-Era Diplomats03:48Download AudioResumeOctober 28, 2010Eric WesterveltfacebookEmailAdolf Hitler (right) with his foreign minister, Joachim von Ribbentrop, in 1941. A new study states that Germany's foreign ministry staff cooperated in the Holocaust much more than has previously been acknowledged. Von Ribbentrop was hanged for war crimes after the Nuremberg trials. (AFP/Getty Images)