Some individuals are thought to be better than others at detecting lies. But what are the clues that give a liar away? Experts in lie detection talk about machines used to detect lies, how they stack up against experienced deception experts, and why practiced prevaricators can fool both.


  • Dr. Paul Ekman Deception detection expert
  • Bob Schultz Special agent in charge of the Polygraph Branch of the Bureau of Alcohol, Tobacco, and Firearms
  • J.J. Newberry Retired ATF agent and director of the Institute for Analytic Interviewing


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