Friday, March 27, 2015

Fire-setters: Psychotic and non-psychotic 

Originally published by Rita Handrich.


firesetter There is a lot of literature on fire-setters but not, apparently, on how psychotic fire-setters differ from those who are not psychotic. As it turns out, there are some significant differences.


Researchers in The Netherlands examined the records of 124 fire-setters (30 psychotic and 94 non-psychotic) sent for pretrial forensic mental health assessments between 2000 and 2010. They were largely male (107 males and 17 females) and on average 32 years old. The researchers compared characteristics in the records and found these differences:


Psychotic fire-setters were older, more often single, more likely to set their fires alone, and more likely to be unemployed. They had a more “extensive and intensive” history of mental health care with higher levels of psychiatric admissions and were more likely to carry diagnoses of psychotic disorders. They had more problems with soft drugs (like cannabis) but showed fewer issues with alcohol. This group set fires for reasons related to their psychosis (e.g., delusions) and were more likely to set fire to their own property. They were often described as “pure fire-setters” (as in, that was all they did of a criminal nature).


Both psychotic and non-psychotic fire-setters were similar in having impulsivity and poor social skills. There were high levels of repeat fire-setting in both groups.


Non-psychotic fire-setters were more likely to have been physically abused as children and tended to set fires out of “anger and revenge or acting out and vandalism”. Non-psychotic fire-setters set fire to the property of others and were more likely to abuse hard drugs and alcohol. They most often set fires along with others and were often intoxicated when fire-setting.


The researchers are quick to point out the limits of their sample and to discuss differences between their findings and the findings in the prior literature. The differences between the two groups seem to be largely related to the mental illness in the psychotic group.


The mentally ill often do not have close relationships, and are often single and unemployed.


Those who start fires based on delusional beliefs are likely to act alone rather than with a group.


If fire-setting is triggered by delusional beliefs, it makes sense that fire-setting would be their only or primary criminal activity.


From a litigation advocacy perspective, the psychotic fire-setter needs mental health treatment and medication. If the psychosis is controlled, the fire-setting should stop when the delusions cease or are minimized. The non-psychotic fire-setter, on the other hand, tends to set fires when intoxicated and with a group of intoxicated others. This fire-setter also needs treatment for substance abuse but a jury is more likely to see this defendant as having greater responsible than the psychotic fire-setter. Treatment options for the non-psychotic fire-setter are more likely to be secondary to their criminal sentence.


Dalhuisen, L., Koenraadt, F., & Liem, M. (2015). Psychotic versus non-psychotic firesetters: similarities and differences in characteristics The Journal of Forensic Psychiatry & Psychology, 1-22 DOI: 10.1080/14789949.2015.1018927


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