This article reviews the issues involved in performing clinical evaluations of juveniles with regard to transfer from family court to adult court. Base-rate concerns are examined in detail. Then the article reviews what risk factors and protective factors have an established empirical relationship to recidivism. The characteristics of three groups of aggressive and delinquent teens are described, along with their relative recidivism levels. The article then discusses the research on the effect of various legal and clinical risk-management strategies—such as transfer to adult court or various forms of treatment—on recidivism.