Psychotic versus non-psychotic firesetters: similarities and differences in characteristics

Firesetters with psychotic disorders constitute a distinct and important offender group. However, little is known about how psychotic firesetters differ from non-psychotic firesetters. More knowledge is required in order to treat this particular population effectively. Psychotic (n = 30) and non-psychotic (n = 94) firesetters of both sexes referred for pre-trial forensic mental health assessment in the Netherlands were compared on socio-demographic, pathological, judicial and event-related characteristics using binary and multivariate statistical tests. Results showed that psychotic firesetters were older, single and unemployed. They had a more extensive history of mental health problems, associated drug use and impaired self-reliance. Opposed to non-psychotic offenders, physical abuse in childhood and alcohol abuse were less prevalent. They had a more extensive history of prior convictions, committed the arsons more often alone and were less often intoxicated. Treatment implications are discussed as focusing treatment on these differences may contribute to treatment efficacy and prevention of recidivism.