The Spy Who Broke the Code
- Episode aired Jan 24, 1989
- TV-MA
Was John Walker spy of century? Frontline investigates Walker spy ring and how it sold secrets about American military codes to Soviets.Was John Walker spy of century? Frontline investigates Walker spy ring and how it sold secrets about American military codes to Soviets.Was John Walker spy of century? Frontline investigates Walker spy ring and how it sold secrets about American military codes to Soviets.