Double agent

By Peter Duffy

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

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.