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Forensic Issues in Intellectual Disability and Autism Spectrum Disorder

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Textbook of Psychiatry for Intellectual Disability and Autism Spectrum Disorder

Abstract

Offending in people with intellectual disability (ID) and/or autism spectrum disorder (ASD) is poorly understood. The evidence suggests that people with ID and/or ASD may be overrepresented in the criminal justice system and their presence is associated with an increased likelihood of future recidivism and custodial or more restrictive or punitive sentencing. The detection of offenders with ID and/or ASD has not been a priority across the criminal justice system which has concentrated on identifying offenders with severe mental illness. There is a growing evidence based on interventions such as risk assessment tools for people with ID but less so for those with ASD. Specific offence-related interventions such as sex offending treatment programmes that have shown promise and have been adopted into clinical practice. However, the treatment and management of offending behaviours in people with ID and/or ASD is complex. Targets for treatment to reduce future risk can include communication, anger, poor assertiveness, poor self-esteem, social isolation and frustration. A lack of treatment outcome studies means there is little evidence of the effectiveness of interventions aimed at preventing future offending although there has been support for CBT and some other psychological interventions. Deficits in ability, understanding and functioning associated with ID and ASD often mean lifelong involvement from multiple agencies for those who have contact with the criminal justice system, although in many places these are rarely provided for this group.

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Further Reading

  • Murphy G, Mason J. Forensic and offending behaviours. In: Handbook of psychopathology in intellectual disability. New York: Springer; 2014. p. 281–303.

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  • Taylor JL, Lindsay WR. Offenders with intellectual and developmental disabilities: future directions for research and practice.

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Chaplin, E., McCarthy, J., Bouras, N. (2022). Forensic Issues in Intellectual Disability and Autism Spectrum Disorder. In: Bertelli, M.O., Deb, S.(., Munir, K., Hassiotis, A., Salvador-Carulla, L. (eds) Textbook of Psychiatry for Intellectual Disability and Autism Spectrum Disorder. Springer, Cham. https://doi.org/10.1007/978-3-319-95720-3_41

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