Longtime drug cartel leader Ismael “El Mayo” Zambada has pleaded not guilty to U.S. narcotics trafficking charges.

Mexican President Andrés Manuel López Obrador has blamed the United States in part for the surge in cartel violence ...

Ismael "El Mayo" Zambada, a powerful leader of Mexico's Sinaloa cartel, pleaded not guilty Friday in a U.S. drug trafficking case that accuses him of engaging in murder plots and ordering torture.

Ismael “El Mayo” Zambada, the powerful longtime leader of Mexico’s Sinaloa drug cartel, pleaded not guilty Friday in New York on a 17-count indictment accusing him of narcotics trafficking ...

The Sinaloa Cartel under Zambada’s leadership began expanding its drug business into fentanyl manufacturing and distribution by 2012, making millions of dollars each year in corruption payments ...

NEW YORK — Ismael “El Mayo” Zambada, a powerful leader of Mexico’s Sinaloa cartel, pleaded not guilty Friday in a U.S. drug trafficking case that accuses him of engaging in murder plots ...

By Alan Feuer The decision by the Justice Department will put Ismael Zambada García in the same federal courthouse where his fellow Sinaloa cartel founder, El Chapo, was sentenced to life in prison.

Ismael “El Mayo” Zambada, a powerful leader of Mexico’s Sinaloa cartel, pleaded not guilty Friday in Brooklyn in a U.S. drug trafficking case that accuses him of engaging in murder plots and ...

Reputed Sinaloa drug cartel co-founder Ismael "El Mayo" Zambada made his first court appearance in New York federal court after an El Paso judge approved a motion to have him tried there before El ...