PubMed · 5907607
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W Nardini. 1966. The mentally ill offender.. https://pubmed.ncbi.nlm.nih.gov/5907607/
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A multivariate 'forensiometric' technique (PLS-DA) was used to create a model to predict the relationship between homicide victim and perpetrator on a five-level scale: strangers, acquaintances, drinking companions, relatives and spouses. The model is based on findings on the victim and at the venue, and uses the following ten variables as 'predictors', listed in falling order of covariation with instances of close relationship between victim and perpetrator: Victim found in home, female victim, a single sharp injury, injuries to the upper extremity, superficial sharp injuries to the chest ('scratches'), ten or more sharp injuries, presence of defence injuries, total number of sharp injuries, male victim, and victim found outdoors. The model was based on 87 sharp-force homicides (the model-set) and was validated on another set of 43 sharp-force homicides (the test-set). In this test-set validation, 17 of 39 cases (44%) were correctly predicted according to the results of earlier combined forensic and police investigations, and a prediction one step away from the correct level was given in another 17 cases. These results were significantly better than would have been obtained by chance.
When nurses are accused of harming their patients there is an understandable wave of concern. When nurses kill their patients there is disbelief and horror. After all, killing patients is so far from the traditional image of the nurse as to cause distress and disorientation. When the nurse in question is a woman and when the charge amounts to serial killing, our most cherished assumptions about gender roles and professional responsibility are called into question. Yet in this decade nurses have been accused of killing patients, attempting to kill patients and causing grievous bodily harm to others. In the UK, of the nurses accused of attempting to murder their patients two came from the same specialism. Two of the three accusations centred on Intensive Care Units (ICU); the case of Amanda Jenkinson (Kenny 1996) and the case of Kath Atkinson, an ICU sister in Newcastle (Porter 1998a). In the most notorious case of nurse homicide in the UK this decade, that of paediatric nurse Beverly Allitt, the profession and society at large were shaken by accusations so serious as to defy belief.
Evidence from 61 follow-up studies was examined to identify the factors most strongly related to recidivism among sexual offenders. On average, the sexual offense recidivism rate was low (13.4%; n = 23,393). There were, however, subgroups of offenders who recidivated at high rates. Sexual offense recidivism was best predicted by measures of sexual deviancy (e.g., deviant sexual preferences, prior sexual offenses) and, to a lesser extent, by general criminological factors (e.g., age, total prior offenses). Those offenders who failed to complete treatment were at higher risk for reoffending than those who completed treatment. The predictors of nonsexual violent recidivism and general (any) recidivism were similar to those predictors found among nonsexual criminals (e.g., prior violent offenses, age, juvenile deliquency). Our results suggest that applied risk assessments of sexual offenders should consider separately the offender's risk for sexual and nonsexual recidivism.