Oleg Kalugin former KGB general uncut interview: Dymshits–Kuznetsov aircraft hijacking affair
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Putin’s nuke threat shouldn’t be ignored, ex-KGB boss says | NewsNation
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KGB vs CIA: no coração da Guerra Fria
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The Serpent's Tooth: Inside the World of Espionage | Real Stories Full-Length Spy Documentary
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Deep Undercover with former KGB Spy Jack Barsky (Cold War)
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The former Soviet leader Mikhail Gorbachev full interview - BBC News
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Russian Intelligence Operations and the West
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Экс-генерал КГБ Олег Калугин о разведке, Путине, войне в Украине
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