March 26, 2026
How 9/11 triggered America's largest polygraph expansion — creating DHS, mandating CBP screening, and driving the 2003 NRC report that shaped the modern debate.
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March 22, 2026
Complete guide to DHS polygraph exams across USSS, CBP, ICE HSI, TSA, and CISA — covering exam types, questions, timelines, and preparation strategies.
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February 28, 2026
Complete guide to the Counterintelligence Scope Polygraph (CSP) — the most common federal polygraph used for national security screening across 20+ agencies.
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