A talk with psychologist Leonard Saxe, who is known for, amongst other things, his research into lie detectors (also known as polygraphs). Topics discussed include: why polygraphs and other forms of deception detection are unreliable; the use of polygraphs as a tool to extract information and confessions; the Richard Ames case, which involved a high-level CIA employee spying for the Soviet Union and beating a polygraph when questioned; a story where someone’s life was ruined due to cops trusting polygraph evidence far too much; and more.

Learn more about the show and get transcripts at⁠ ⁠behavior-podcast.com⁠⁠.   
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Why are lie detectors used if they don't work?, with Leonard Saxe

This is a podcast about deciphering human behavior and understanding why people do the things they do. I, Zach Elwood, talk with people from a wide range of fields about how they make sense of human behavior and psychology. I've talked to jury consultants, interrogation professionals, behavior researchers, sports analysts, professional poker players, to name a few. There are more than 135 episodes, many of them quite good (although some say I'm biased). To learn more, go to PeopleWhoReadPeople.com.