TY JOUR TI Certain problems of legal regulation of the activities of operational police units KW police KW police rights KW operational units KW operational search activities KW operational search inquiries JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Skokov, I.E. PY 2020 IS 2020 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION