ABC News just spent two nights with members of one of the largest cartels in Mexico as they explained their operations in a ...

The politicians were at odds over who should lead the Autonomous University of Sinaloa, Zambada said — and the Sinaloa cartel leaders would help resolve ... men assaulted me, knocked me to ...

Yet, disentangling cartel operations from U.S. interests in Mexico could be immensely complicated. Mexico is the United States’ largest trade partner of goods, and many American companies have ...

Since his capture, which he claimed in a letter from jail was orchestrated by a son of his longtime partner, Joaquín “El Chapo” Guzmán, war has erupted among rival cartel factions.