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Shiftheads - The Spy Who Built the Net He Was Caught In
Description
Soviet espionage during the Cold War was not paranoia. It was infrastructure, and Lee Kuhnle lays out exactly what that looked like from the inside. Kim Philby was recruited as a journalist in the 1930s, embedded himself in British intelligence from the ground floor, and then personally proposed and was handed control of the department responsible for monitoring Soviet activity in the West. He ran it while reporting everything back to Moscow.
Kuhnle explains why catching him took decades, why the evidence that finally pointed to him couldn't be used in court, and why British intelligence may have quietly let him walk rather than face the public embarrassment of a trial. The Venona decrypts that unraveled his network were themselves a secret that couldn't survive a courtroom.
The nuclear dimension sharpens the stakes further. Klaus Fuchs didn't just pass along information. He handed the Soviets a shortcut that changed the entire shape of the post-war world.
Topics: Cold War spies, Soviet espionage, Cambridge Five, nuclear bomb secrets, Venona decrypts
GUEST: Lee Kuhnle | https://www.amazon.ca/Uncover-Up-Think-Clearly-Conspiracies/dp/1770418873 | @theuncoverup
Originally aired on 2026-06-24