17. ⁠Crossing the Iron Curtain: Revenge in Russia (Ep 4)

Will Tolkachev fall at the final hurdle and land in the hands of the KGB? How do the CIA go about protecting their assets in the field? And, does it really take a spy to catch a spy? As we reach the final instalment of the story of Adolf Tolkachev, the plot reaches its dramatic crescendo. Tolkachev…