Last modified on 14 November 2014, at 13:54

Category:Duquesne Spy Ring

The Duquesne Spy Ring is the largest espionage case in United States history that ended in convictions. On January 2, 1942, 33 members of a Nazi spy ring headed by Frederick Joubert Duquesne were sentenced to serve a total of over 300 years in prison. They were brought to justice after a lengthy espionage investigation by the Federal Bureau of Investigation (FBI).

Of those arrested on the charge of espionage, 19 pleaded guilty. The 14 men who entered pleas of not guilty were brought to trial in Federal District Court, Brooklyn, New York, on September 3, 1941; and they were all found guilty by jury on December 13, 1941.

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