TY JOUR TI SECURITY OF PARTICIPANTS OF CRIMINAL PROCEDURE IN THE SYSTEM OF MEASURES OF OVERCOMING COUNTERACTION TO INVESTIGATION OF CRIMES BY OFFICIALS KW counteraction to investigation KW official crimes KW security KW state protection KW participants of criminal process JO Vestnik of the East Siberian institute of the Ministry of internal affairs of the Russian Federation AU Golovina, E.. PY 2019 IS PB East Siberian institute of the Ministry of Internal Affairs of the Russian Federation