Columbia subject headings:
Colombia--Foreign relations--United States.
Human rights--Colombia.
Paramilitary forces--Colombia.
Political violence--Colombia.
United States--Foreign relations--Colombia.
Harvard subject headings:
Colombia--Military relations--United States.
Death squads--Colombia.
Human rights--Colombia
Paramilitary forces--Colombia
United States--Military relations--Colombia.
Princeton subject headings:
Colombia--Military relations--United States.
Death squads--Colombia.
Human rights--Colombia.
Paramilitary forces--Colombia.
United States--Military relations--Colombia.