Top 5 True Lie Detector Facts

Name: Top 5 True Lie Detector Facts
Uploaded: 2026-08-15T10:00:56-04:00
Channel: WatchMojo
Description: In movies & TV, polygraphs are the ultimate way to get to the truth. But in reality, that may not be the case. In today's instalment of Top 5 Facts, we're separating facts from fibs and counting down the 5 most interesting facts about lie detectors.

VOICE OVER: Chris Masson

Curious how to beat a polygraph test? Hit play!
In movies & TV, polygraphs are the ultimate way to get to the truth. But in reality, that may not be the case. In today's instalment of Top 5 Facts, we're separating facts from fibs and counting down the 5 most interesting facts about lie detectors.

False Confessions!
National Defence!
Clenched Buttcheeks!
All this and a free elephant for everyone who watches!*

*This response triggered greater-than-normal physiological indicators, signalling a probable lie.

#5: Lie Detectors Can Help Create Lies
#4: Polygraphs Are Part of National Defense
#3: With Practice, You Can Beat a Polygraph Test
#2: Questioning Techniques Are More Effective Than Polygraphs
#1: Better Lie Detection Technology is on the Way

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Tags:

WMFacts, Top 5, Top 5 Facts, Facts, Polygraph, Polygraph test, Lie Detector, How to beat a lie detector test, Lie Detector Facts, Meet the Parents, The Simpsons, Seinfeld, L.A. Confidential, The Hurricane, Homeland, Game of Thrones, Ocean's Thirteen, The,