Overview:Polygraphs are used in thousands of investigations and job screenings. Can a machine really detect whether someone is lying? Penn & Teller will meet people whose lives were ruined by the faulty tests.
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First Air Date: Jan 24, 2003Last Air date: Aug 12, 2010Season: 8 SeasonEpisode: 89 EpisodeRuntime: 30:14 minutesQuality: HDIMDb: 3.303 / 10 by 109 usersPopularity: 57.193Language: en
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