The efforts of the formal system of government to achieve social reintegration of chronic offenders is reflected, inter alia, through the application of a large number of educational and training retrain and therapeutic treatment in penal institutions. However, they still do not give the desired results. So, in this paper we analyze the results of studies that investigate effects of various forms of forensic treatment on the criminal re-offend. It was found that, in this context, it is important to determine whether the offender has a psychological predisposition toward antisocial behaviour, and whether deviations are present which do not have the character of mental illness, but have the impact on stubbornly chronically maintaining delinqu...