Illegal mining groups in Colombia are reported to be paying 1 percent of their total production to paramilitary groups such as the FARC. One miner who is involved in unlicensed mining stated that his group pays between $540 to 840 a month in extortion fees.
The Mine Minister of Colombia estimated that at least 40 percent of all mining activities in Colombia in 2011 was unlicensed. The drug trafficking and paramilitary organizations control at least 30 percent of the illegal mining activities.
Source: “Mining in Colombia: Gold and guerillas,” Economist, August 17, 2012.