TY JOUR TI Cold steel weapons: a maze of state standards and legal uncertainty KW cold steel weapons KW characteristics of cold steel weapons KW forensic examination of cold steel weapons KW civilian cold steel weapons KW knife KW hunting knife KW survival knives KW cold steel bladed weapons KW blade KW state standard JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Antonchenko, V.V. PY 2026 IS PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION