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Suspects and Witnesses: Part IV Use of Polygraph in Investigations
1947
- 26m
- August 29, 1947 · United States of America
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.
Details
- Status
- Released
- Release date
- August 29, 1947
- Original language
- English
- Countries
- United States of America
- Production
- Central Intelligence Agency (CIA)
- Budget
- Not recorded
- Revenue
- Not recorded
- IMDb
- View on IMDb