TY JOUR TI CRITERIA OF LEGALITY OF CARRYING OUT OF PURCHASE OPERATIONS ON VIOLATIONS OF COPYRIGHT AND NEIGHBOURING RIGHTS KW purchase operations KW investigative activities KW software KW violations of copyright and neighbouring rights JO Forensics: yesterday, today, tomorrow AU Kuklin, O.B. AU Zubenko, E.V. PY 2019 IS PB East Siberian institute of the Ministry of Internal Affairs of the Russian Federation