Personality Disorder and Criminal Behaviour

What Is the Nature of the Relationship?

Sophie Davison; Aleksandar Janca

Disclosures

Curr Opin Psychiatry. 2012;25(1):39-45. 

In This Article

Matricide, Patricide and Personality Disorder

Liettu et al.[15] looked at all male matricidal (n = 86) and patricidal (n = 106) offenders referred for forensic psychiatric examinations between 1973 and 2004 in Finland. This included all offenders who had killed a parent as well as all those convicted of aggravated assault or attempted murder against a parent. They found that matricidal offenders suffered more commonly from psychotic disorders than did patricidal offenders (46 versus 26%, respectively). A greater proportion of patricidal offenders had a personality disorder (64 versus 45%, respectively), with borderline personality disorder being more common amongst the patricidal than matricidal offenders (29 versus 10%, respectively). For matricidal offenders the most common motive was a mental disorder, whereas for patricidal offenders the offences were most commonly motivated by long-term conflict. Once again this hints at a different set of internal and environmental factors interacting to lead to killing in personality disorder compared with an axis I psychotic disorder.

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