Introduction: the article considers the concept of prevention in several aspects (social prevention, criminological prevention, situational prevention, evolutionary prevention). Aim: describe the subjects implementing the prevention of offenses and consider the issue of public participation in this process in historical and modern periods. We focus our attention on the prevention of new crimes in the institutions of the Federal Penitentiary Service, emphasize its importance during the period of serving a sentence (educational techniques and methods) and after release (interaction of probation inspectorates with law enforcement agencies for the re-socialization of released convicts). We outline possible risks and difficulties of orga...