Robert Hanssen

A Spy in Plain Sight: The Inside Story of the FBI and Robert Hanssen - Lis Wiehl


https://journals.sagepub.com/doi/pdf/10.2968/058005018
https://www.thecipherbrief.com/column_article/americas-most-infamous-spy-in-plain-sight
https://en.wikipedia.org/wiki/Dmitri_Polyakov
https://en.wikipedia.org/wiki/Amtorg_Trading_Corporation
https://irp.fas.org/ops/ci/hanssen_affidavit.html
https://eurasiantimes.com/gru-vs-kgb-russias-spy-agency-that-outlasted-kgb/
https://alphahistory.com/coldwar/second-cold-war/
https://history.state.gov/milestones/1977-1980/soviet-invasion-afghanistan
https://en.wikipedia.org/wiki/Aldrich_Ames
https://en.wikipedia.org/wiki/Cold_War_(1979%E2%80%931985)#
https://en.wikipedia.org/wiki/Cold_War_(1962%E2%80%931979)
https://web.archive.org/web/20041114093843/http://archives.cnn.com/2001/US/05/22/hanssen.stripper/
https://www.britannica.com/biography/Robert-Hanssen
https://oig.justice.gov/sites/default/files/archive/special/s0710/index.htm
https://www.fbi.gov/history/famous-cases/robert-hanssen
https://irp.fas.org/ops/ci/hanssen_affidavit.html