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Untold. America's truth detector / Polygraph machine :

In 1921, John Augustus Larson, a medical student and police officer in Berkeley, California invented a machine to help detectives determine if someone was telling the truth - or lying. He called it - the Polygraph.

Bibliographic Details
Format: Video
Language:English
Language Notes:In English.
Published: Derry, Northern Ireland : Makematic, 2020.
Series:Academic Video Online
Subjects:
Larson, John A. > (John Augustus), > 1892-1965.
Lie detectors and detection.
Truthfulness and falsehood.
Criminology > Methodology.
Lie Detection
Détecteurs de mensonge.
Mensonge.
Criminologie > Méthodologie.
Animated films.
Educational films.
Films éducatifs.
Online Access:Connect to this streaming video (Alexander Street Press)

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