Cartels

Mexico is experiencing unprecedented violence as drug cartels are battling over distribution routes.

Mexican drug cartels are vying over lucrative drug-trafficking routes to the U.S.

The cartels took over the town.

Ziri works for the local cartels.

Armado de Andres, who is with the United Nations' anti-narcotics office, says there are already little regional mafias cooperating with major South American and European cartels in smuggling drugs.