Columbia subject headings:
Crime prevention--United States.
Law enforcement--United States.
Police administration--United States.
Police discretion--United States.
Harvard subject headings:
Crime prevention--United States
Law enforcement--United States
Police administration--United States
Police discretion--United States.
Princeton subject headings:
Crime prevention--United States.
Law enforcement--United States.
Police administration--United States.
Police discretion--United States.