TY JOUR TI THEORETICAL AND METHODOLOGICAL OUTLINES OF THE FORMATION OF A PRIVATE OPERATIONAL INVESTIGATIVE METHODOLOGY FOR COMBATING CRIMES IN THE PUBLIC SECTOR KW theory of operational investigative activities KW budgetary funds KW private operational investigative techniques KW crimes KW struggle KW operational units of the internal affairs bodies of the Russian Federation JO Vestnik of the East Siberian institute of the Ministry of internal affairs of the Russian Federation AU Marsakov, I.S. PY 2026 IS 0 PB East Siberian institute of the Ministry of Internal Affairs of the Russian Federation