Leon George Turrou (September 14, 1895 – December 10, 1986) was an American special agent and translator with the Federal Bureau of Investigation (FBI) tasked with leading an investigation that located and interrogated Nazi German spies within the United States.[1][2] He also became the author of a popular book called Nazi Spies in America.[3] His writings were adapted into the 1939 film Confessions of a Nazi Spy.