Keith Octavio Rodriguez Padilla, referred to as "a prolific firearms' trafficker" by authorities, was sentenced in a San ...

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

Ismael "El Mayo" Zambada decided to stick with the lawyer defending him from U.S. drug trafficking charges despite a possible ...

Prosecutors said Keith Rodriguez Padilla obtained powerful guns and ammunition for the Valenzuela trafficking organization ...

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 ordering the destruction of elaborate mausoleums that belong to rival families ...

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

MORE: Top Sinaloa cartel leaders, including son of El Chapo, taken into US custody: DOJ A frail-looking Zambada appeared at the hearing in a beige smock over an orange T-shirt and reading glasses ...

Assistant U.S. attorney Francisco Navarro said the plea discussions with Zambada, a leader of Mexico's powerful Sinaloa cartel, haven't borne fruit so far, but prosecutors want to keep trying.