Male Criminal Activity From Childhood Through Youth reports the results of a large longitudinal study from 1972 to 1985 on a sample of delinquents and a comparison sample of the population in Montreal. A clarification emerges from this extensive study: how to describe criminal activity in a comprehensive theory of crime which integrates the offense, offending, and patterns of offending. Using a developmental approach, Drs. Le Blanc and Frechette observed a gradation of crimes with subjects progressing through five distinct stages of offending. In all, the research investigates the...