American Experience
The Lie Detector
A look at the polygraph, a device created by two men in the 1920s that could tell if a person was lying, and how it has transformed police work. (120 minutes)
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UPCOMING EPISODES
Thu, 1/22 at 2:00 pm on Austin PBS WORLD
Forgotten Hero: Walter White and The NAACP
The story of Walter White and the National Association for the Advancement of Colored People (NAACP). (120 minutes)