The Truth about the Psychophysiological Detection of Deception Examination (Polygraph - PDD) 5th Edition, will provide the reader a clear understanding of the Art and Science behind the Polygraph examination, which up until this point, has never been so thoroughly explained by an active academic and law enforcement executive. It includes new illustrations and research not previously available in the 4th edition. Have you ever wondered if the "Lie Detector" was a legitimate tool to determine deception? This clear, easy-to understand book simplifies the arena of psychophysiology with clear concise data as well as real-life experiences from the author as well as other expert practitioners in the field of psychophysiology. The Truth about the Psychophysiological Detection of Deception Examination (Polygraph - PDD) 5th edition, is the most comprehensive resource available anywhere. What's more, this book offers actual real life criminal case polygraph examinations and their outcomes.