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How Does A Lie Detector Know Your Lying? [Solved]

In short, polygraph tests record a number of different bodily responses which can then be used to determine whether someone is telling the truth. They usually measure things like blood pressure, changes in a person’s breathing, and sweating on the palms.4 Oct 2018

The Science Behind Lie Detector Tests | How Do They Do It?

Find out the history of

Former FBI Agent Explains How to Detect Lying & Deception | Tradecraft | WIRED

There are a number of myths about detecting deception. Fidgeting, looking away, touching

Polygraph Expert Shows How to Beat a Lie Detector Test

Doug Williams is a former Oklahoma City detective sergeant. As an officer in the department’s internal affairs and