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Suspects and Witnesses: Part IV Use of Polygraph in Investigations

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.
Udio:
 
 
 
 

Žanr: Documentary

Uloge:

Posada:

Zemlja: United States of America

Vrijeme izvođenja: 26 minuta

Kvaliteta: HD

Otpustite: 1947

imdb rating 7

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