Columbia subject headings:
Crime prevention--United States--Evaluation.
Criminal justice personnel--United States.
Criminal justice, Administration of--United States--Evaluation.
United States--Officials and employees.
Harvard subject headings:
Crime prevention--United States--Evaluation.
Criminal justice personnel--United States.
Criminal justice, Administration of--United States--Evaluation.
United States--Officials and employees.
Princeton subject headings:
Criminal justice, Administration of--United States.
Law enforcement--United States.