Circle of Treason 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. The search for the presumed traitor was necessitated by the loss of almost all of the CIA's large stable of Soviet intelligence officers working for the United States against their homeland. Aldrich Ames, a long-time acquaintance and co-wor... Full description