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	The Science Behind Lie Detector Tests \| How Do They Do It (Discovery UK) View
	polygraph discoverychannel (Doug Williams) View
	The Discovery Channel with Doug Williams POLYGRAPH.COM - Get prepared for your test! (Doug Williams) View
	Polygraph Expert Shows How to Beat a Lie Detector Test (Bloomberg Originals) View
	Lie detectors: Do polygraph tests work (Sky News) View
	The Truth About Polygraphs: Unmasking the Lie Detector (What Did You Experience Today?) View
	Детектор лжи \| Как это устроено \| Discovery (Discovery Channel Россия) View
	The Polygraph (r2beararms19) View
	John Klene's Polygraph (Innocence Matters) View
	polygraph 60mins (Doug Williams) View