MI5
UK domestic counterintelligence security service
Episodes
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#4258: How Spies Know When a Source Is LyingFrom dead bodies with forged letters to double agents invented from guidebooks — how intelligence agencies validate sources. -
#4087: What Connie Sachs’s Job Title Actually IsHow a fictional spy’s pattern-recognition skill maps to real CIA, MI5, and MI6 careers. -
#2760: How China's Overseas Police Stations Actually WorkMI5 footage confirms what investigators have tracked for years: a global network of unregistered Chinese police stations. -
#2386: Decoding 'Concrete Threats' in Intelligence ReportsWhat does 'concrete threat' really mean in intelligence? Explore how agencies assess risks and communicate warnings without compromising security. -
#1889: When Spies and Cops Share a TargetHow the FBI and CIA share secrets without burning sources, and why "parallel construction" keeps classified intel out of court. -
#1368: When Spy-Catchers Go DarkAs global threats rise, why are elite spy-catching units being dismantled? Explore the fragile state of counterintelligence in 2026. -
#521: Hidden in Plain Sight: Safe Houses and Front CompaniesExplore the world of urban camouflage, from fake London facades to the "deep cover" front companies embedded in our global supply chain.