1942 – The Federal Bureau of Investigation (FBI) obtains the conviction of 33 members of a German spy ring headed by Fritz Joubert Duquesne in the largest espionage case in United States history—the Duquesne Spy Ring.
1942 - Federal Bureau of Investigation (FBI) menahan 33 orang anggota jaringan mata-mata Jerman dipimpin oleh Fritz Joubert Duquesne dalam kasus spionase terbesar dalam sejarah Amerika Serikat — Duquesne Spy Ring.