Suspects and Witnesses: Part IV Use of Polygraph in Investigations
Suspects and Witnesses: Part IV Use of Polygraph in Investigations
Watch Suspects and Witnesses: Part IV Use of Polygraph in Investigations online je zdarma na Kukaj-to. 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.
- Žánr: Dokumentární
- Země: United States
- Ředitel:
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