Mexico proposes the treaty's permanence and the elimination of tariffs. The use of unmanned aircraft for drug trafficking has expanded worldwide and represents a new challenge for authorities, warns the UN International Narcotics Control Board. Criminal organizations use these devices to transport heroin, methamphetamine, and cocaine, mainly in border areas and prisons. In Mexico and the US, the use of narcodrones has been reported for over a decade. Authorities note that criminals are increasingly resorting to such methods to deliver illicit substances to hard-to-reach places.
