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

Sought by U.S. law enforcement for more than two decades, Zambada has been in U.S. custody since July 25, when he landed in a ...

Two warring factions of the Sinaloa cartel have clashed in the state capital of Culiacan in what appears to be a fight for ...

Mexican leader says the U.S. bore some responsibility "for having carried out that operation" to arrest Ismael 'El Mayo' Zambada.

Officials attribute the violence to internal conflict within the Sinaloa cartel following the arrest of Zambada, the cartel’s co-founder. He was extradited to the U.S. in July and pleaded not ...

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 longtime leader of Mexico's Sinaloa drug cartel, pleaded not guilty Friday to U.S. narcotics trafficking and murder charges.Participating in a court hearing ...

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 ...

More than 30 people have been reported dead in a week of bloodshed in Sinaloa, although authorities did not specify how many were believed to be linked to the cartel infighting. Zambada ...