- United Self-Defense Force of Colombia, United Self-Defense Group of Colombia, Autodefensas Unidas de Colombia, AUC - a terrorist organization in Colombia formed in 1997 as an umbrella for local and regional paramilitary groups; is financed by earnings from narcotics and serves to protect the economic interests of its members; "the AUC conducted over 800 assassinations in one year"
--1 is a kind of terrorist organization, terrorist group, foreign terrorist organization, FTO