The Truth and Nothing but the Truth

Published: Aug. 6, 2013, 8:06 a.m.

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Dr Geoff Bunn investigates the latest lie-detecting technology. He discovers that the early history of the lie detector features psychologist William Marston, creator of the comic book character Wonder Woman, and an amateur magician, Leonarde Keeler, who was an inspiration for the comic strip hero, Dick Tracy

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