TY JOUR TI Personal protection in the system of security measures: problems of implementation and legislative prospects KW Personal protection KW state protection KW participant in criminal proceedings KW ensuring the safety of a participant in proceedings KW protected person JO Bulletin of the Kaliningrad branch of the Saint-Petersburg University of the Ministry of Internal Affairs of Russia AU , .. PY 2025 IS 0 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION