TY JOUR TI SOMO QUESTIONS THE ADMISSIBILITY OF THE RESULTS OF OPERATIVELY-SEARCH ACTIVITY AS EVIDENCE IN CRIMINAL CASES KW criminal proceedings KW evidence KW admissibility of evidence KW operatively-search activity JO Vestnik of the East Siberian institute of the Ministry of internal affairs of the Russian Federation AU Stelmakh, V.Y. PY 2015 IS PB East Siberian institute of the Ministry of Internal Affairs of the Russian Federation