PDD Polygraph Examination Services

Forensic Psychophysiology, commonly known as the polygraph, is based on the principal that fear of detection of deception causes physiological changes at the point of deception. These changes are recorded and evaluated by a qualified forensic Psychophysiologist and the result made known to the subject and client. All examiners utilized By P.D.D Examination Services has extensive experience in the application and have been trained by an APA Accredited Training Institute.