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Or will a liar get away with -- wait, actually... what's going on with this polygraph machine? It seems to be some sort of vessel for ...

Also known as 'lie detectors,' polygraphs are used to record an individual's vital signs, such as breathing rate, pulse, and so forth.

Find out the history of lie detectors, and how the modern polygraph machine works to catch people lying. Subscribe to Discovery ...

Meet polygraph examiner Malaravan Ponniah, 60, who has questioned suspects in criminal cases ranging from outrage of ...

A Bloomington Police Detective explains what physical reactions a polygraph test reads, and demonstrates its ability to pick up on ...

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

The Lafayette LX6 Polygraph System is the pinnacle of development. No one does it better. Lafayette Instrument Company is the ...

This video is about polygraph (lie detector) equipment, what it looks like and what it does. For more info visit www.polytest.org.

Dane only has one chance to make a stellar first impression. Good thing there's a lie detector present at his job interview! *BEEP* ...

In 1921, John Augustus Larson, a medical student and police officer in Berkeley, California invented a machine to help detectives ...

Visit Limestone Technologies at http://www.limestonetech.com The Limestone Technologies Polygraph instrumentation is the ...

Experts say polygraphs are 98 to 99 percent accurate, but it depends on the examiner and type of questions asked.

Jennifer Lawrence takes a lie detector test for Vanity Fair. Is she a bad tipper? Does Amy Schumer text her too much? Does she ...

A look at the instruments used in a polygraph lie-detector test.

The stars of 'Deadpool & Wolverine' take Vanity Fair's infamous lie detector test. Has Ryan Reynolds and wife Blake Lively ...

https://www.lie-detector.info Polygrah Lie Detector for Sale. Buy an up to 6 physiological sensor polygrah and get self-employed ...

Pete Davidson and Machine Gun Kelly (Colson Baker) take a lie detector test. Does Colson think Pete can rap? Has he ever fake ...