EPISODE · Apr 21, 2026 · 41 MIN
The Hunt for American Turncoats in World War II Europe
from SpyCast · host SpyCast
It’s a story that journalist and veteran Stephen Harding uncovered: a secret component of the FBI’s “European Operation,” whereby agents traveled abroad working undercover to track down American citizens who had betrayed their country during World War II. These traitors ran the gamut, from spreading propaganda for the Fascists and the Third Reich, to starting Nazi spy rings. What became of them is just as varied. Stephen pieced together the mission and targets by interviewing the relatives of FBI agents, sifting through British archives, and making Freedom of Information Act requests. It’s all documented in his new book, G.I. G-Men. Subscribe to Sasha's Substack, HUMINT, to get more intelligence stories: https://sashaingber.substack.com/ For more information about the International Spy Museum, visit: https://www.spymuseum.org/ And if you have feedback or want to hear about a particular topic, you can reach us by email at [email protected]. This show is brought to you by N2K Networks, Goat Rodeo, and the International Spy Museum in Washington, DC. This episode was produced by Flora Warshaw and the team at Goat Rodeo. At the International Spy Museum, Mike Mincey and Memphis Vaughan III are our video editors. Emily Rens is our graphic designer. Joshua Troemel runs our SPY social media. Amanda Ohlke is our Director of Adult Education and Mira Cohen is the Vice President of Programs.
What this episode covers
It’s a story that journalist and veteran Stephen Harding uncovered: a secret component of the FBI’s “European Operation,” whereby agents traveled abroad working undercover to track down American citizens who had betrayed their country during World War II. These traitors ran the gamut, from spreading propaganda for the Fascists and the Third Reich, to starting Nazi spy rings. What became of them is just as varied. Stephen pieced together the mission and targets by interviewing the relatives of FBI agents, sifting through British archives, and making Freedom of Information Act requests. It’s all documented in his new book, G.I. G-Men. Subscribe to Sasha's Substack, HUMINT, to get more intelligence stories: https://sashaingber.substack.com/ For more information about the International Spy Museum, visit: https://www.spymuseum.org/ And if you have feedback or want to hear about a particular topic, you can reach us by email at [email protected]. This show is brought to you by N2K Networks, Goat Rodeo, and the International Spy Museum in Washington, DC. This episode was produced by Flora Warshaw and the team at Goat Rodeo. At the International Spy Museum, Mike Mincey and Memphis Vaughan III are our video editors. Emily Rens is our graphic designer. Joshua Troemel runs our SPY social media. Amanda Ohlke is our Director of Adult Education and Mira Cohen is the Vice President of Programs.
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The Hunt for American Turncoats in World War II Europe
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