FBI Silvermaster File

The Silvermaster File of the United States' Federal Bureau of Investigation is a 162-volume compendium of some 26,000 pages of documents relating to the Bureau's investigation of Communist penetration of the U.S. federal government during the Cold War. Beginning in 1945 with the allegations of defecting Soviet courier Elizabeth Bentley (Venona cover names “Myrna”; Umnitsa, “Clever Girl”), the file is also known as the Bentley file or Gregory file ("Gregory" was the FBI code name for Bentley).

FBI Silvermaster File

The Silvermaster File of the United States' Federal Bureau of Investigation is a 162-volume compendium of some 26,000 pages of documents relating to the Bureau's investigation of Communist penetration of the U.S. federal government during the Cold War. Beginning in 1945 with the allegations of defecting Soviet courier Elizabeth Bentley (Venona cover names “Myrna”; Umnitsa, “Clever Girl”), the file is also known as the Bentley file or Gregory file ("Gregory" was the FBI code name for Bentley).