Title: Free agent
Subjects: Biography, Cold War, Great Britain, Great Britain. MI6, History, Intelligence officers, Intelligence service, Soviet Union, Soviet Union. Komitet gosudarstvennoĭ bezopasnosti, United States, United States. Central Intelligence Agency, United states, central intelligence agency, Intelligence service, great britain, Intelligence service, russia (federation), MI6
People: Brian Crozier
Time periods: 20th century