Columbia subject headings:
Conduct disorders in adolescence--United States.
Gangs--United States.
Juvenile delinquency--United States.
Violence--Prevention--Government policy--United States.
Harvard subject headings:
Conduct disorders in adolescence--United States.
Gangs--United States
Juvenile delinquency--United States
Violence--Prevention--Government policy--United States.
Princeton subject headings:
Conduct disorders in adolescence--United States.
Gangs--United States.
Juvenile delinquency--United States.
Violence--Prevention--Government policy--United States.