Bob is a retired Investigative Bureau Commander with 25 years of service with the Lower Township, New Jersey Police Department. Bob, after extensive training in interview/interrogation techniques attended the National Training Center of Polygraph Science and was certified with the highest class honors by Expert Polygraph Examiner and Instructor Richard O. Arther, a stalwart in the Polygraph profession. Subsequently, Bob, later obtained certification in the operation of the Computer Voice Stress Analyzer under the tutelage of, David A. Hughes, the Dean of Voice Stress Analysis. Bob is a POST certified instructor in numerous basic and advanced law enforcement disciplines since 1976. Since 1997, Bob has trained more than 3500 individuals in the basic and advanced use and application of the Voice Stress Analyzer. Bob also took part in the preparation of training programs and wrote numerous articles for publications concerning voice stress analysis and its use in the law enforcement.