Discover the truth about polygraph tests and how nervousness can affect the results. The video explores the possibility of false positives and negatives, and reveals the preferred outcome in the polygraph world. Have you ever taken a polygraph test? #polygraph #Investigationhomicide #Mississippicrime #truecrimepodcast | Investigation: Homicide | Facebook

Polygraph Machine: What are they and how do they work? - The Aspiring Gentleman

The FBI and other agencies are using polygraphs to find leakers. But do they work?

Polygraph, Lie Detection, and Lie Detector Examiner Credentials

Polygraph - SlideServe

'The Lie Detector' dives into the history of the polygraph

Why the Creator of One of the First ‘Lie Detectors’ Lived to Regret His Invention

You must c C reate an account to continue watching