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In July 1977, CIA case officer Marti Peterson was detained and deported from the Soviet Union for spying. She was the handler for Alexandr Ogorodnik, one of America's top Soviet moles at the time. It was her first assignment for the US intelligence agency. Peterson speaks to Witness about her cloak and dagger life in Moscow at the height of the Cold War.

Photo: the KGB building in central Moscow (NIKOLAI MALYSHEV/AFP/Getty Images)