TY JOUR TI Of the operational-investigative characteristics of the application of security measures in relation to participants in criminal proceedings KW operational-investigative characteristics KW security measures KW operational-investigative measures KW a person who committed a crime KW a participant in criminal proceedings JO VESTNIK ADVANCED TRAINING INSTITUTE OF THE MIA OF RUSSIA AU Kurgaev, E.A. PY 2026 IS PB All-Russian Advanced Training Institute of the Ministry of the Interior of the Russian Federation