Ken Alder: "The Lie Detectors" (Free Press)

Ken Alder: "The Lie Detectors" (Free Press)

The polygraph machine seeks to separate the truth from lies. But the answers it gives are inadmissible in court, and those who know how can easily trick the machine. The origins of the lie detector and what its use reveals about both...

The polygraph machine seeks to separate the truth from lies. But the answers it gives are inadmissible in court, and those who know how can easily trick the machine. The origins of the lie detector and what its use reveals about both subject and administrator.

Guests

Ken Alder

Professor of History and Director of the Science in Human Culture Program at Northwestern University and author of "The Measure of All Things."

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