| Summary: | Objectives: A process model of white-collar crime postulates that the etiology of this form of crime is incomplete without consideration of individual differences in neurobiology. Based on prior research, this study tests the primary hypothesis that “gray-collar crime” (GCC; offending on the margin of more serious white-collar crimes) would be associated with increased frontal lobe volume. Secondary analyses explored which frontal subregions, if any, would be associated with gray-collar offending. Method: Gray-collar offending and blue-collar criminal offending were assessed in 129 community males. Total frontal lobe, anterior cingulate, superior frontal, middle frontal, inferior frontal, and orbitofrontal volumes were assessed using magnetic resonance imaging. Results: Increased frontal volume was associated with increased gray-collar offending. Frontal volume remained significant after controlling for ethnicity, age, intelligence, whole brain volume, and blue-collar crime covariates, explaining 4.6 percent of the variance in GCC. Within the frontal lobe, findings were localized to superior frontal and anterior cingulate cortex, both before and after controlling for covariates. Conclusions: Findings provide preliminary evidence of increased frontal volume as a neural correlate of gray-collar offending and support a process model which hypothesizes that frontal lobe volume may provide some individuals with an advantage in perpetrating criminal offenses in occupational and avocational settings.
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