The authors examine the characteristics of threatening and otherwise inappropriate communications sent to members of the U.S. Congress by a sample of 86 subjects, 20 of whom threatened assassination. We quote excerpts from these letters and provide quantitative data on such variables as the volume, duration, form, and appearance of such communications; the enclosures; the subjects' perceived relationships to the recipients; the thematic content of the communications; and the messages and threats communicated. Comparisons between 43 subjects who pursued encounters with members of Congress and 43 who did not revealed 17 factors associated with such pursuit. In this population, threateners were significantly less likely to pursue an encounter than inappropriate letter writers who did not threaten, regardless of the type of threat or the harm threatened. Inappropriate letters to members of Congress are compared with those directed to Hollywood celebrities. Mentally disordered persons writing to public figures often mention and sometimes threaten public figures other than those to whom the letters are addressed, which raises important issues regarding notification of endangered third parties and the sharing of information among protective agencies.
This is a descriptive study of 50 randomly selected male patients retained in a maximum-security state hospital for mentally disordered offenders. Data regarding the prevalence of several indicators of potential organic brain dysfunction are presented, including: (1) a diagnosis of any organic brain disorder, (2) a history of severe head injury with loss of consciousness, (3) a history of seizure activity, (4) evidence of cognitive impairment, (5) abnormal neurological findings, and (6) other relevant neurodiagnostic or historical findings. Results show that multiple indicators of potential brain dysfunction were present in 64% of the cases. At least one indicator of potential brain dysfunction was present for 84% of the subjects. Subjects with a diagnosis or history suggesting brain dysfunction were significantly more likely to have been indicted for violent criminal charges (p = 0.01). Implications of these findings for clinical treatment and forensic science decision-making are discussed.
The authors examine the prevalence of acute traumatic dissociative responses in a group of 115 law enforcement officers involved in critical incidents. Law enforcement officers were retrospectively surveyed for the presence of dissociative symptoms at the time of the critical incident, as well as for the presence of acute stress symptoms and posttraumatic stress symptoms. Results show that 90% of the officers reported experiencing a dissociative response during the critical incident. Thirty percent meet the Dissociative Criterion B of acute stress disorder under the DSM-IV. The mean number of dissociative symptoms in this group was two and one-half. In addition, 19% of the law enforcement officers reported varying forms of memory impairment for details of the incident. There were no reports of amnesia for the entire event. The clinical, forensic, and legal implications of these preliminary findings are discussed in this paper.
This article explores theoretical and empirical issues in the application of clinical neuropsychological evidence to forensic issues in the criminal law. The nature of forensic neuropsychological evaluations is discussed with reference to issues of competency to stand trial, criminal responsibility, and other competencies in the criminal process. Examples of specific disorders relevant to criminal law standards are presented, together with data estimating the prevalence of brain dysfunction in criminal and forensic populations. Research is also reviewed on the role of neuropsychological brain dysfunction in the etiology of violence and criminally relevant behavior. Finally, empirical and ethical issues concerning the applicability and admissibility of forensic neuropsychological data in the criminal context are discussed.
This study examines the prevalence of homelessness in a cross-sectional sample of 150 patients retained in a maximum-security hospital for mentally disordered offenders in New York City. The homeless mentally ill comprise only 2% of the city's mentally ill population, yet they account for 50% of the admissions to this forensic facility from the community. Compared to population base rate estimates, forensic patients are homeless at 25 times the rate found in the rest of the city's mentally disordered population and are 50 times more likely to be homeless than the general population. Further, there is a significant association between homelessness at the time of the instant offense and charges for violent crimes, after controlling for age, sex, race, and diagnosis. These data suggest that homelessness greatly increases the risk that mentally disordered persons will be forensically hospitalized and is closely associated with indictments for violent criminal behavior. Alternative explanations for these findings are discussed, emphasizing risk, vulnerability, and criminalization perspectives.
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