A 2008 review found that an overwhelming number of reported violent criminals with Asperger syndrome had also other coexisting psychotic psychiatric disorders such as schizoaffective disorder.
En evaluering fra 2008 viste, at et overvældende antal af indberettede voldelige kriminelle med Aspergers syndrom havde sameksisterende psykiatriske lidelser såsom skizoaffektiv lidelse.