Columbia subject headings:
Crime prevention--Washington (D.C.)
Crime--Washington (D.C.)
Criminal justice, Administration of--Washington (D.C.)
Law enforcement--Washington (D.C.)
Police administration--Washington (D.C.)
Harvard subject headings:
Crime prevention--Washington (D.C.)
Criminal justice, Administration of--Washington (D.C.)
Law enforcement--Washington (D.C.)
Police administration--Washington (D.C.)
Princeton subject headings:
Crime prevention--Washington (D.C.).
Criminal justice, Administration of--Washington (D.C.)
Law enforcement--Washington (D.C.).
Police administration--Washington (D.C.).