TY JOUR TI IIssues of countering the illegal trafficking of amber, jade and other semiprecious stones KW illicit trafficking KW amber KW criminal's identity KW situational approach JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Tsirit, O.A. AU Pankina, I.Y. PY 2025 IS 2025 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION