Suspects and Witnesses: Part IV Use of Polygraph in Investigations
Suspects and Witnesses: Part IV Use of Polygraph in Investigations
Guarda Suspects and Witnesses: Part IV Use of Polygraph in Investigations Film Completo Online. 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.
- Genere: Documentario
- Nazione: United States
- Direttore:
- Cast:
