The recent surge in cartel warfare had been expected after Joaquín Guzmán López, a son of former Sinaloa cartel leader ...

The case of 'El Menchito' has highlighted the generational divide between boomer-aged drug cartel bosses and their millennial ...

The clashes follow the arrests on U.S. soil of Sinaloa Cartel co-founder Ismael "El Mayo" Zambada, as well as Joaquin Guzman ...

Two warring factions of the Sinaloa cartel appear to be fighting for power since two of its leaders were arrested in the U.S.

Ismael "El Mayo" Zambada, longtime leader of Mexico’s Sinaloa drug cartel, pleaded not guilty to U.S. narcotics trafficking ...

Ismael “El Mayo” Zambada, the powerful longtime leader of Mexico’s Sinaloa drug cartel, pleaded not guilty Friday in New York ...

An influential leader of Mexico's Sinaloa cartel Ismael "El Mayo" Zambada pleaded not guilty this week in a U.S. drug ...

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 ...

NEW YORK (AP) — 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 ...

Mexican President Andres Manuel Lopez Obrador said Thursday that the United States share the blame for the bloody drug cartel ...