Editorial: ASD and illegal behaviors.

The last decade has seen significant advances in our understanding of autism spectrum disorder, from both biological and clinical perspectives. Outcome runs the gamut from complete independence to relative dependence. Of particular interest, among those described with poor outcome are a small number of individuals, male and female, who have engaged in unlawful behavior. This special issue of the Journal of Autism and Developmental Disorders presents a number of papers providing further insight into this issue.