 By 1941, he was a committed Nazi sympathizer and when Germany declared war on America on December 11, 1941, he chose to remain in Germany rather than return to the U.S. with the repatriation of the embassy staff.During World War II, he broadcast for "Radio Debunk", the "Voice of All Free America" under the pseudonym of Joe Scanlon.He attempted to persuade American listeners in his broadcasts that prostitution and sexually transmitted diseases were widespread in the U. S. Army stationed overseas and that Britain and the Soviet Union were in collusion against the United States.