"The method of psychophysiological detection of deception (PDD) has a long history in Russia. This history can be divided into six stages. The first stage – the early history of the PDD method – ran from 1925 to 1930. The pioneer of the development of the PDD method in the Soviet Union was Alexander Luria, who later became a world-famous scientist. He investigated the psychological mechanisms of the PDD applied this method in practice in the Moscow district public prosecutor’s office."(...)