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  • 1944 births
  • 20th-century American criminals
  • Catholics from Illinois
  • 2023 deaths
  • American people who died in prison custody
  • American people of Norwegian descent
  • People convicted under the Espionage Act of 1917
  • Law enforcement officials from Washington, D.C.
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  • Converts to Roman Catholicism from Lutheranism
  • People from Chicago
  • Prisoners sentenced to life imprisonment by the United States federal government
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  • Knox College (Illinois) alumni
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  • American spies for the Soviet Union
  • American people convicted of spying for the Soviet Union
  • American people convicted of spying for Russia
  • Chicago Police Department officers
  • Deaths from colorectal cancer in Colorado
  • Federal Bureau of Investigation agents convicted of espionage
  • Opus Dei members
  • People from Vienna, Virginia
  • Spies who died in prison custody

Robert Hanssen

0 words updated Jun 18, 2026, 7:52 AM

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