TY JOUR TI Methods and means of preliminary examination of blood traces at the scene KW crimes against the person KW cold steel KW firearms KW inspection of the scene KW traces of blood KW preliminary examination KW mechanism of blood trace formation KW prescription of blood traces KW chemical reagents KW immunochromatography methods. JO Forensics: yesterday, today, tomorrow AU Lessard, A.. PY 2025 IS 0 PB East Siberian institute of the Ministry of Internal Affairs of the Russian Federation