She says that the majority of studies concerning people wi

She says that the majority of studies concerning people with psychopathy have been conducted on criminal offenders. Some of these studies point to psychopaths – or those showing psychopathic traits – as making up a disproportionate number of people in prison, although there is some dispute about how prevalent it really is. In general, the research suggests that psychopathy is higher among male offenders (accounting for perhaps 15-25% of prisoners) than female offenders (where it is found in 10-12%).