ACTUAL USE OF THE CLASSIFICATION OF FORMS OF EXPERTISE Logvinets Elena Anatolievna, PhD at law, Associate professor. <...> Position: associate professor at Forensic Inquiry and Criminalistics chair. <...> Place of employment: Belgorod state national research university. <...> E-mail: logvinets@bsu.edu.ru Katorgina Natalia Petrovna, Assistant at Forensic Inquiry and Criminalistics chair. <...> Place of employment: Belgorod state national research university. <...> E-mail: inyakova@bsu.edu.ru Annotation: The article is an analysis of the available scientific literature classification using special forms of knowledge. <...> Various criteria underlying the classification: according to normative regulation, a member of the criminal process, the nature of their use, the stage of the fight against crime, the stage of the criminal process, the content and nature of the investigative action on a subject of importance, under which activities are implemented and others. <...>