Eine an forensisch-psychiatrischen Fragen besonders interessierte interdisziplinäre Arbeitsgruppe aus Juristen, forensischen Psychiatern und Psychologen sowie Sexualmedizinern hat die nachfolgenden Empfehlungen für die forensische Schuldfähigkeitsbeurteilung nach § § 20, 21 StGB erarbeitet.

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Objective: Our aim was to compare the frequency of criminal conduct in patients with behavioral variant frontotemporal dementia (bvFTD), semantic dementia (SD), and Alzheimer disease.Background: A few small-scale studies of antisocial and criminal behavior in patients with frontotemporal lobar degeneration have focused on the clinical subtype bvFTD. It is not yet known whether antisocial behavior affects patients with other clinical subtypes of frontotemporal lobar degeneration, like SD, and patients with other dementing disorders, like Alzheimer disease.Methods: We used a standardized caregiver interview to assess criminal behavior in 83 outpatients: 32 with bvFTD, 18 with SD, and 33 with Alzheimer disease.Results: We found criminal behavior (theft, willful damage to property, housebreaking, assault, or indecent behavior) in 54% of the patients with bvFTD and 56% of those with SD, but only 12% of those with Alzheimer disease.Conclusions: Just over half of our patients with bvFTD or SD had committed crimes. When middle-aged or older patients commit minor crimes, frontotemporal lobar degeneration should be considered as a possible cause. If an affected person faces criminal charges, the court might take incapability or diminished responsibility into account in reaching a verdict.

A clear and structured approach to evidence-based and gender-specific risk assessment of violence in female offenders is high on political and mental health agendas. However, most data on the factors involved in risk-assessment instruments are based on data of male offenders. The aim of the present study was to validate the use of the Psychopathy Checklist Revised (PCL-R), the HCR-20 and the Violence Risk Appraisal Guide (VRAG) for the prediction of recidivism in German female offenders. This study is part of the Munich Prognosis Project (MPP). It focuses on a subsample of female delinquents (n = 80) who had been referred for forensic-psychiatric evaluation prior to sentencing. The mean time at risk was 8 years (SD = 5 years; range: 1-18 years). During this time, 31% (n = 25) of the female offenders were reconvicted, 5% (n = 4) for violent and 26% (n = 21) for non-violent re-offenses. The predictive validity of the PCL-R for general recidivism was calculated. Analysis with receiver-operating characteristics revealed that the PCL-R total score, the PCL-R antisocial lifestyle factor, the PCL-R lifestyle factor and the PCL-R impulsive and irresponsible behavioral style factor had a moderate predictive validity for general recidivism (area under the curve, AUC = 0.66, p = 0.02). The VRAG has also demonstrated predictive validity (AUC = 0.72, p = 0.02), whereas the HCR-20 showed no predictive validity. These results appear to provide the first evidence that the PCL-R total score and the antisocial lifestyle factor are predictive for general female recidivism, as has been shown consistently for male recidivists. The implications of these findings for crime prevention, prognosis in women, and future research are discussed.

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The risk for criminal recidivism of mentally ill offenders is, unlike the general risk of delinquency, not well established. The relationship between psychiatric diagnosis and criminal recidivism was examined in the context of the Munich project on risk assessment. A total of 185 offenders had been examined on the question of culpability between 1992 and 1993. Re-offenses committed before the end of 2001 were recorded according to the Federal Registry of court sentences (Bundeszentralregister); 38.8% of the total group recidivated. High rates of recidivism were observed for individuals with substance abuse (45.5%) and with personality disorders (46.6%). The combination of the two illnesses increased the rate for recidivism to 50%. For individuals with organic, affective and neurotic disorders the rates for recidivism were below the average. Rates of recidivism for schizophrenic offenders were slightly higher, if re-offenses in the state of inculpability were included. The HCR-20 predicted recidivism equally well for offenders with and without a psychiatric diagnosis. In both groups, individuals with HCR-20 scores above the mean recidivated more often and after shorter periods of time.

The validity of the VRAG was replicated with a German sample. The VRAG yielded good predictive accuracy, despite differences in sample and outcome variables compared with its original sample.