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 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.

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… ...

MEXICO CITY — Mexican drug cartel leader Ismael “El Mayo” Zambada said he was ambushed and kidnapped when he thought he was going to meet the governor of the northern state of Sinaloa, then ...

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.” ...

Ismael "El Mayo" Zambada's lawyer denies that his client was merely tricked into boarding an aircraft to the U.S., saying the captured drug kingpin was "forcibly kidnapped." ...

Zambada, 76, was arrested in El Paso, Texas, in late July when a small plane arrived carrying him and Joaquín Guzmán López, a son of notorious drug lord Joaquín “El Chapo” Guzmán.