THC Science

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Summary

DescriptionAdministration of Polygraph.jpg	English: Demonstrating the administration of the polygraph, the polygrapher making notes on the readouts. Location: Washington, D.C. Date range: 01/01/1970 to 12/31/1979
Date	1 January 1970
Source	https://multimedia.fbi.gov/large/3341
Author	Federal Bureau of Investigation
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