%0 Journal Article %T The concept and essence of citizens' assistance to bodies implementing operational investigative activities %A Popov, S.V. %K Institute of citizens' assistance, operational investigative activities, principles of voluntariness and legality, system of rights guarantees, preventive function of assistance, social security, legal regulation %J Bulletin of the Kaliningrad branch of the Saint-Petersburg University of the Ministry of Internal Affairs of Russia %D 2025 %N 0 %P 6 %I SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION