AbstractIn response to the dilemma of management of mentally ill persons who commit crimes, Oregon has created the Psychiatric Security Review Board (PSRB) to administrate the supervision and treatment of insanity acquittees. This paper presents an overview of the PSRB structure and examines the quasi‐criminal justice features of Oregon's Insanity Sentence. The primary goal of the PSRB is the protection of societý. The maximum sentence, had the individual been found guilty, becomes the PSRB's jurisdictional period for that former defendant. A review of the administrative rules for conditional release and revocation of release that the PSRB is now in the process of adopting are described. The authors conclude that the PSRB is a promising approach which offers better community protection and better treatment for mentally ill offenders (NGRIs) than does the present prison parole syst