TY JOUR TI Legal grounds for exemption from criminal liability of persons assisting operational investigative activities KW Assistance of citizens KW exemption from criminal liability KW forced harm KW imitation of criminal activity KW ensuring security KW operational units KW operational investigative activities KW internal affairs agencies JO Bulletin of the Kaliningrad branch of the Saint-Petersburg University of the Ministry of Internal Affairs of Russia AU Polyakov, A.V. PY 2025 IS 0 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION