Columbia subject headings:
Family violence--Law and legislation--United States.
Firearms--Law and legislation--United States.
Violent crimes--United States.
Harvard subject headings:
Family violence--Law and legislation--United States
Firearms--Law and legislation--United States
Gun control--United States
Violent crimes--United States
Princeton subject headings:
Family violence--Law and legislation--United States.
Firearms--Law and legislation--United States.
Violent crimes--United States.