http://www.washingtonpost.com/sf/investigative/2013/12/21/covert-action-in-colombia/
And, as a drug-trafficking organization, the FARC's status as a threat to U.S. national security had been settled years earlier with Reagan's counternarcotics finding. At the time, the crack cocaine epidemic was at its height, and the government decided that organizations that brought drugs to America's streets were a threat to national security.
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