TY JOUR TI THE RESULTS OF OPERATIONAL INVESTIGATIVE ACTIVITIES AND THEIR USE IN SPECIAL CONDITIONS: PROBLEM STATEMENT KW results of operational investigative activities KW special conditions KW state of emergency KW martial law KW criminal procedural activity KW evidence JO Penal law AU Bespamyatnov, R.V. PY 2026 IS 20 PB Academy of the FPS of Russia