TY JOUR TI IDENTIFICATION OF THE INVESTIGATIVE MISTAKES MADE IN PRE-JUDICIAL STAGES OF INVESTIGATION ON CRIMINAL CASES KW investigative mistake KW identification of investigative mistakes KW investigative action JO Vestnik of the East Siberian institute of the Ministry of internal affairs of the Russian Federation AU Stepanova, N.A. PY 2015 IS PB East Siberian institute of the Ministry of Internal Affairs of the Russian Federation