Suspects and Witnesses: Part IV Use of Polygraph in Investigations

Suspects and Witnesses: Part IV Use of Polygraph in Investigations

1947
26m
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Documentary
Overview

This short dramatized documentary film, presented by U.S. Army, introduces use of polygraph in investigation. Polygraph is used as a lie detector that measures blood pressures, pulse, respiration, skin conductivity while suspect is asked questions and answering them.

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Status: Released

Language: EN

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Production Information

Production Companies
Central Intelligence Agency (CIA)
Production Countries
United States of America

Quick Facts

Release Date August 29, 1947
Status Released
Language EN
IMDb ID tt6068258

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