Federal prosecutors alleged Ronaldo Ayala, reputed to be a powerful member of the Mexican Mafia prison gang, conspired with ...

In the escalating war among rival factions of Mexico's Sinaloa cartel, sons of Joaquín "El Chapo" Guzmán are suspected of ...

The alleged cofounder of the Sinaloa Cartel, in U.S. custody since his arrival in July, could strike a deal to avoid the ...

As for his former boss, El Chapo is serving a life sentence at ADX Florence in Colorado for being a principal leader of "a ...

The Mexican drug lord who founded the Sinaloa cartel with Joaquin "El Chapo" Guzman is in plea talks with federal prosecutors ...

The group, all Minnesotans, used violence and threats to ensure payments and conceal crimes, according to federal prosecutors ...

The possible testimony of the son and once heir of Ismael ‘El Mayo’ Zambada is the latest twist in a billion-dollar Mexican ...

The younger Zambada was charged himself and made a plea deal in the long-running and sprawling U.S. prosecutions of Sinaloa ...