Visual Liar - Visual Deception Patterning

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About the author

Brian leslie

Brian Leslie is currently a Deception Analyst with many years of combined law enforcement experience in analytical, investigative methods, including the use of body language and visual profiling. In 1983, an analytical methodology called Reaction Analysis Profiling, was developed by Mr. Leslie to identify, track and translate visual patterns during the interview process. This methodology was primarily used to track deceptive patterning in witnesses during his law enforcement career. He presently consults on criminal defense cases in both Canada and the United States involving witness deception. Mr. Leslie is currently an associate member of the American Bar Association and a committee member of the Individual Rights and Responsibilities, Death Penalty Project.