Abstract. Legal psychology is a branch of psychology and law that studies the behavior and psychological states of a person in legal processes and how they affect legal relations. This discipline deals with the analysis of psychological characteristics of criminals, victims, witnesses and other participants in the legal process. Legal psychology uses methods of evaluating human behavior based on experimental methods, questionnaires, surveys and observations. In this direction, the main problems are a deep understanding of crime, a correct analysis of the psychological aspects of legal proceedings, and further improvement of the field of expertise.