Was an umbrella too obvious a murder weapon for an assassination in the heart of London? Why were the KGB hesitant to do the Bulgarian government's dirty work? And how do scientists work with spy agencies to identify lethal poisons?
Georgi Markov, the Bulgarian dissident writer, is dead. But, who murdered him? Was it the Bulgarians or the KGB? What about the British? In the aftermath of Markov's poisoning, the Metropolitan Police are struggling to discover the perpetrator behind the umbrella.
Listen as David and Gordon continue the story of the mysterious murder of a Bulgarian BBC broadcaster on Waterloo Bridge, and ask: will the assassin ever be caught?
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Order a signed edition of David's latest book, The Seventh Floor, via this link.
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Assistant Producer: Becki Hills
Producer: Callum Hill
Senior Producer: Dom Johnson
Exec Producer: Tony Pastor
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