The objectives of the first stage of the study are as follows: (1) To establish an understanding of the risk factors for persistent offenders and youth offending trajectories by reviewing the relevant literature; (2) To develop a retrospective profile of individual, family, peer, community and school factors for a sample of persistent offenders in Alberta; and (3) To develop a preliminary retrospe [...] The contribution of the xii life-course offending literature, as well as the extensive literature on offending trajectories, will provide helpful insight into the analysis and interpretation of the pathways and trajectories of this Alberta sample of persistent youth offenders. [...] In the meantime, the high risk nature of the youth in this study is evident, and points to the important role of community-based services and supports as this vulnerable population nears the age of majority. [...] The overall purpose of the project is to conduct a three-year study of the pathways and transitions of a cohort of persistent youth offenders in Calgary and Edmonton. [...] The objectives of the report are as follows: (1) To establish an understanding of the risk factors for persistent offenders and youth offending trajectories by reviewing the relevant literature; (2) To develop a retrospective profile of individual, family, peer, community and school factors for a sample of persistent offenders in Alberta; and (3) To develop a preliminary retrospective profile of o