Methodological foundations of polygraph examinations

The article states scientific and methodological foundations of polygraph examinations, the general principles of its execution for resolution of the general question about discovery of psycho-physiological reactions confirming that a person under examination has information about the circumstances of the incident. Significative, neutral and check questions are used in the compiling of the polygraph questionnaires. The author describes two directions of classification of polygraph testing techniques (developed by Moscow and Krasnodar schools of polygraph studies).