Lie Detectors

Penn & Teller: Bull!: "Lie Detectors"

Season 7 · Episode 5
8.3/10 ( 8 Votes )

Penn & Teller: Bull! Season 7 Episode 5

Penn & Teller: Bull!: "Lie Detectors" Season 7 · Episode 5
8.3/10 ( 8 Votes )

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.

Quality: HD

Release: 23 Jul 2009

Duration: 30m

Views: 62

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