TY JOUR TI “Digital operational-search activity” and digitalisation in counteracting crimes KW operational investigative activities KW digital methods of operational investigative activities KW digital traces KW Internet KW Internet monitoring KW digital data analysis JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Sharov, V.I. PY 2025 IS 2025 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION