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We have all heard of polygraph machines or ‘lie detectors.’ But are they truly reliable? Their results are inadmissible in court and yet some investigation agencies still use them. We talk to historian and author John Philipp Baesler about the polygraph’s history and its questionable use in our modern world.


  • John Philipp Baesler, Professor of history, Saginaw Valley State University and author, Clearer Than Truth: The polygraph and the American Cold War

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