About Secrets of the Dead Season 5, Episode 5 : Umbrella Assassin

Investigate the deceptive world of espionage during the Cold War. The KGB used one of the most ingenious and unobtrusive weapons to murder an outspoken Bulgarian dissident. The Umbrella Assassin investigates the cloak and dagger world of Cold War espionage and political intrigue, and examines newly discovered evidence that may reveal just how the umbrella gun actually worked, and who pulled the trigger. Guest Stars: Georgi Markov,