Double agent

By Peter Duffy

Subjects: Germany, biography, German Espionage, Espionage, german, History, United States, United States. Federal Bureau of Investigation, World War, 1939-1945, German Americans, Biography, German americans, Secret service, Norden bombsight, United states, federal bureau of investigation, World war, 1939-1945, secret service, germany, World war, 1939-1945, secret service, united states, Spies

Description: An account of a virtually unknown pre-World War II counterespionage operation describes how naturalized German-American agent William G. Sebold became the FBI's first double agent and was a pivotal figure in the arrests of 33 enemy agents for the Nazis.