The scientific literature suggests that there are high rates of alcohol and drug use as well as mental disorders in the juvenile justice population (Teplin, 2000). There is good evidence that the conditions and disorders most often linked to juvenile delinquency are conduct disorder, oppositional defiant disorder, attention deficit hyperactivity disorder, alcohol use disorder, substance use disorder, depression, post-traumatic stress disorder, and anxiety disorder (Lader, Singleton, & Meltzer, 2003; Sailas, Feodoroff et al., 2005; Sibley, Pelham & Molina, 2011; Elbogen & Johnson, 2009; Cuellar, Markowitz & Libby, 2004; Harrington, 2001; Pliszka, Sherman, et al., 2000). Given this kind of evidence of the presence of a variety of comorbidities
