Ismael “El Mayo” Zambada was a kingpin in Mexico’s Sinaloa cartel, the world’s top producer of fentanyl. He was arrested alongside the son of “El Chapo.” ...

Sinaloa drug cartel leader Ismael "El Mayo" Zambada — in a letter written from prison and released by his lawyer — details what he says led to his arrest in the United States.

Zambada, 76, has so far appeared in U.S. federal court in El Paso, Texas, which is in one of the jurisdictions where he has been indicted. He has pleaded not guilty to racketeering conspiracy ...

Sinaloa Cartel co-founder Ismael Zambada Garcia, also known as "El Mayo," was taken into U.S. custody on Thursday and now faces charges related to drug importation and distribution.

‘El Mayo’ Zambada, the Sinaloa drug cartel leader who was arrested after decades of eluding authorities, claims he was “forcibly kidnapped" and brought to the U.S.

Walking with a noticeable limp, Ismael “El Mayo” Zambada Garcia, 76, was led by the arm by federal marshals to the defense table inside the same courthouse where his cartel co-founder, Joaqui… ...

Ismael “El Mayo” Zambada, el poderoso líder del cártel de la droga de Sinaloa en México, se declaró inocente el viernes en Nueva York de 17 cargos de narcotráfico y asesinato.