TY - BOOK AU - GRIMES Sandra AU - VERTEFEUILLE Jeanne TI - Circle of treason: a CIA account of traitor Aldrich Ames and the men he betrayed SN - 9781591143963 (pbk.) : PY - 2012/// CY - Annapolis, Md. PB - Naval Inst Press KW - INTELLIGENCE SERVICES KW - UNITED STATES KW - ESPIONAGE N1 - Includes bibliographical references (p. 213-218) and index N2 - 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 ER -