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

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

The arrest of Ismael "El Mayo" Zambada, the long-revered leader of ... Known as the "El Narco de Narcos," Caro Quintero's influence has diminished significantly, especially following his arrest.

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 ...

After the arrests and convictions of Ismael "El Mayo" Zambada and Joaquín Guzmán López ... the new generation of "narcos" seems to be much more violent than the previous one.

Ismael "El Mayo" Zambada, 76, has pleaded not guilty to a slew of federal drug and weapons charges. He had been wanted in the U.S. for more than two decades when he landed over the summer at a ...