The world was at war, America precariously poised on the sidelines. But already a second secret war was well underway with the United States very much in the th

Examines the United States- efforts to create and project a strong counterintelligence capability both at home and abroad during the 1930s. Several federal agen

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

A look at how the FBI, with the help of other government agencies, set out to collect information to use against Einstein.

Herbert Hoover's "magnum opus"—at last published nearly fifty years after its completion—offers a revisionist reexamination of World War II and its cold war