Associate Professor of the Department of Labor and Economic Law of the Faculty № 2 of Kharkiv National University of Internal Affairs, Candidate of Law, Police Lieutenant Colonel Olena Chornous conducted binary classes for cadets of study groups 301-302, Faculty № 2 in the discipline “Labor Law” on “Features of working time and the mode of work of investigators” and “Interaction of investigators with the public and other units in the performance of their duties” (http://univd.edu.ua/uk/news/11592).