Suspects and Witnesses: Part IV Use of Polygraph in Investigations
Suspects and Witnesses: Part IV Use of Polygraph in Investigations
suspects and witnesses: part iv use of polygraph in investigations en PelisPlus 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.
- Titulo original: Suspects and Witnesses: Part IV Use of Polygraph in Investigations
- Género: Documental
- País: United States
- Director:
- Actores:
