The Finnish CRIME sample was collected during 2010–2011, and it comprises 794 samples from all of the largest prisons in Finland. The sample collecting procedures have been described in more detail previously.4 In short, prisoners were screened for antisocial personality utilizing the Structured Clinical Interview Axis II (SCID-II) for the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). Sexual crime offenders, as well as individuals with diagnosis of psychosis, were excluded from the sample. Altogether, 568 (500 men, 68 women) criminal offenders fulfilled the criteria for antisocial personality disorder, whereas 196 were classified as non-antisocial, and 30 criminal offenders had an unknown ASPD status. Approximately 370 randomly selected individuals formed the discovery samples with GWAS data available, and 173 were included in the replication sample. The history of criminal convictions was obtained from the National Crime Register, and 77% of the antisocial prisoners were violent offenders having committed at least one violent crime. The remaining individuals of the ASPD sample were offenders who had been convicted for non-violent crimes, such as house break-ins or crimes against property. The history of
