 He was then sent to Washington, where he joined the staff of the Army War College.His houseguest there was Franz von Papen, later Chancellor of Germany during the Weimar Republic (and Vice Chancellor briefly under Hitler)—von Papen had been Moore's roommate in Germany.Unbeknownst to Moore, von Papen was running a spy ring out of Moore's house, for which the German was later expelled from the United States.