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Folie à deux in forensic setting
The Australian and New Zealand Journal of Psychiatry
|March 4, 1998
Summary
Folie à deux cases involving shared religious delusions pose significant risks, often leading to fatal outcomes in family settings. This highlights challenges in forensic evaluations for individuals with psychotic illnesses.
Area of Science:
- Forensic Psychiatry
- Psychopathology
- Clinical Psychology
Background:
- Folie à deux is a rare psychiatric disorder where symptoms are transmitted from one individual to another.
- Cases in forensic settings are particularly concerning due to the potential for severe harm.
Purpose of the Study:
- To present a series of folie à deux cases within a forensic context.
- To analyze psychopathology patterns and legal outcomes.
- To highlight the risks associated with this disorder.
Main Methods:
- Case series methodology.
- Detailed review of five folie à deux cases.
- Inclusion of medicolegal reports and expert testimony.
Main Results:
- All five cases involved close family relationships (spouses, mother-daughter, twin brothers).
- No prior psychiatric or criminal history was noted in any individual.
- Victims experienced fatal or near-fatal outcomes.
- Shared religious delusions were a common feature across all cases.
Conclusions:
- Folie à deux with shared religious delusions presents a high risk, especially within families.
- Forensic systems face challenges in assessing individuals with psychotic illnesses, particularly under McNaughton rules.
- These cases underscore the need for careful psychiatric evaluation in legal contexts.