Examining comorbidity is critical because it is so prevalent among juveniles in the general population, 69,70 adult jail detainees, 71 and adults who have high arrest rates, such as
substance abusers, 72
young, long - term psychiatric patients, 73 and homeless, mentally ill persons.74 Moreover, studies71 of adults suggest that juveniles with comorbid disorders may be especially vulnerable to arrest, particularly if they are poor and can not afford treatment.