 The "very surprising and unpatriotic utterances" del Valle had been making since 1941 led however to three separate investigations by the Federal Bureau of Investigation, the Office of Naval Intelligence and the War Office's Military Intelligence Department.Colonel Housewitz, an aide to Marine Corps General Clifton B. Cates, stated that although del Valle had formerly been "a very important figure in military circles", he was now "more or less an embarrassment to the Marine Corps as a result of his loudly voiced antisemitic statements.