This bulletin is designed to acquaint criminal investigators with the use, purpose, capability, and limitations of the polygraph as an investigative aid. The bulletin discusses the legality of the use of the polygraph, the theory of the polygraph technique, the responsibilities of the investigator and the polygraph examiner, the value and limitations of the polygraph, its most effective uses, and those practices which are either prohibited or detrimental to the effective use of the polygraph. 8.5 X 11", Pages 92, Paperback, Illus. Copyright 1995 By Butokukai Inc.
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