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6min chapter
A Life in CIA Trickery
SpyTalk
Securing International Mail Communications
Exploring the intricate methods of safeguarding intelligence correspondence through international mail, including accommodation addresses, wax traps, secret writing, micro dots, and a revealing liquid called GCR. The chapter highlights the risks of compromised communication channels for intelligence assets and the utilization of techniques ranging from childhood invisible writing to advanced spy methods involving chemical writing.
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Discover
highlights
Listen to the best highlights from the podcasts you love and dive into the full episode