Columbia subject headings:
Harvard subject headings:
Colombia--Foreign relations--United States.
Colombia. Policía Nacional.
Drug control--Colombia
Drug control--United States
Human rights--Colombia
Police--Complaints against--Colombia.
United States--Foreign relations--Colombia.
Violence--Colombia
Princeton subject headings:
Colombia--Foreign relations--United States.
Colombia. Policía National.
Drug control--Colombia.
Drug control--United States.
Human rights--Colombia.
United States--Foreign relations--Colombia.