... childhood and family factors (illegitimate child, unwanted conception, family overcrowding, etc.) have predictive effects on psychopathic traits measured later in life at age 48 years. Design/methodology/approach Data collected in the CSDD are analysed. This is a prospective longitudinal study of 411...

..., 12 had parents from Cyprus and the other 16 males were White and had at least one parent from another Western industrialized country. Based on prospective longitudinal studies, we know and understand which characteristics of young people increase their risk of becoming serious offenders (Loeber...

... are analyzed. This is a prospective longitudinal study of 411 London males from age 8 to age 61. Findings This paper first reports the age 8–10 psychosocial risk factors that predict the interpersonal/affective Factor 1 and the lifestyle/antisocial Factor 2. Then interaction effects with high RHR...