Adolescence is a key period in human development, in which youngpeople are exposed to dangerous situations, one of those dangers is the riskof participating in criminal or illicit activities. This article focuses on thetreatment of adolescents who are in conflict with the law. It describes themodel for the evaluation of risk of violence and recidivism. It describes theinstruments for the evaluation that are available to the young people whoare interned for criminal behavior. It also describes, in detail, the Inventoryfor management and Intervention for young people. IGI-J, it also describesthe most effective treatment model up to date related to criminal recidivismin adolescents and its implications.