Penn & Teller: Bullshit!: Polygraphs are used in thousands of investigations and job screenings, but can a machine really detect whether someone is lying? Penn and Teller meet people whose lives were ruined by faulty lie-detector results.
Penn Jillette, Teller
Comedy, Documentary
Watch Penn & Teller: Bullshit! Season 07 Episode 05 123movies for free in HD quality. Stream instantly with English subtitles — no download or account needed.