Circle of Treason details the authors' personal involvement in the hunt for and eventual identification of a Soviet mole in the CIA during the 1980s and 1990s.
One of the most destructive traitors in US history, CIA officer Aldrich Ames provided information to the Soviet Union that contributed to the deaths of at least ten Soviet intelligence officers. In this book, the two CIA officers responsible for tracking down Ames chronicle their involvement in the hunt for a mole. Sandra Grimes and Jeanne Vertefeuille dedicated themselves to identifying the traitor responsible for the execution or imprisonment of the Soviet agents with whom they worked.
