Columbia subject headings:
Harvard subject headings:
Drug abuse and crime--United States
Drug dealers--Legal status, laws, etc.--United States.
Firearms--Law and legislation--United States
Mandatory sentences--United States.
Violent crimes--United States
Princeton subject headings:
Drug dealers--Legal status, laws, etc.--United States.
Firearms--Law and legislation--United States.
Mandatory sentences--United States.
Violent crimes--United States.