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This study investigated whether drug dealing juvenile offenders in Belgium differ from non-drug dealers in levels of violent and non-violent offending behaviors, aggression, substance use, and mental health needs. The current study examined data from 226 16- to 17-year-old male juvenile offenders. Information relating to drug dealing, substance use, and mental health needs were collected through self-report questionnaires. A structured diagnostic interview was used to collect information about past violent and non-violent behaviors. Chi-square tests and multivariate analysis of variance compared non-dealers and dealers and explored if hard-drug dealers and soft-drug dealers differed from each other. Relative to non-drug dealers, drug dealers engaged in more violent offending behaviors, exhibited higher levels of aggression, substance use and oppositional defiant problems, and displayed lower levels of anxiety. Soft- and hard-drug dealers did not differ from each other. To conclude, detained drug dealers are characterized by severe antisocial behavior.

To maximize the benefits of prevention and treatment efforts the psychopathy construct has been extended downward in age. Despite advances in the study of psychopathy in adolescence it remains unknown if adolescents with psychopathic traits engage in treatment. To fill this knowledge gap, the relationship between psychopathy and treatment engagement was scrutinized in 261 criminal justice-involved male adolescents (ages 16–17 years). Psychopathic traits were measured by means of a well-established self-report questionnaire (Youth Psychopathic traits Inventory; YPI), whereas treatment engagement was measured using a self-report questionnaire consisting of readiness to change, bond with staff, collaboration on goals/tasks, and therapeutic engagement dimensions. Network analysis was used to detect the most robust relations between ten YPI subscales or the three YPI components and the four treatment engagement dimensions. Findings indicated that the YPI subscales (e.g., remorselessness) rather than the YPI components (e.g., callous-unemotional) might help to understand the complex relationship between psychopathic traits and treatment engagement. Disaggregating all the dimensions across its subscales can help us to identify which specific feature of psychopathy is related to treatment engagement and should be the first focus of intervention.