Columbia subject headings:
City and town life--United States.
Crime prevention--United States.
Crime--United States--History--20th century.
Crime--United States--History--21st century.
Harvard subject headings:
City and town life--United States
Crime prevention--United States
Crime--United States--Sociological aspects
Sociology, Urban--United States.
Urban violence--United States.
Violent crimes--United States
Princeton subject headings:
City and town life--United States.
Crime prevention--United States.
Crime--United States--Sociological aspects.
Sociology, Urban--United States.
Urban violence--United States.
Violent crimes--United States.