TY JOUR TI ESTABLISHING THE FACT OF THE USE OF INDUSTRIALLY MANUFACTURED FIRE-CONDUCTING CORDS AS PART OF IMPROVISED INCENDIARY DEVICES KW flame-conducting cord KW molecular IR spectroscopy KW thin-layer chromatography KW improvised incendiary device KW means of transmitting a fire pulse JO MONITORING AND EXPERTISE IN SAFETY SYSTEM AU Ivakhnyuk, S.G. AU Skukovskiy, A.G. AU Korovkin, D.S. PY 2026 IS 2026 PB Saint-Petersburg University of State Fire Service of Emercom of Russia