Farmers often have little choice who they sell their coca paste to. The buyers take it to labs deep in the jungle to turn into cocaine, but anti-narcotics police are on the trail.
Matthew Bristow reports for The Guardian on the cocaine industry in Colombia
Matthew Bristow spent two years documenting the cocaine industry in Colombia. In the first of three films, he meets the farmers, and looks at their battle with a government determined to eradicate the crop.