Joaquin Guzman

Mexican cartel leader pleads guilty to US smuggling charges

The highest-ranking member of a Mexican cartel to ever surrender to U.S. authorities has pleaded guilty to drug smuggling charges, acknowledging he orchestrated the shipments of thousands of pounds (kilograms) of methamphetamine, cocaine and heroin to the United States.

Damaso Lopez Serrano, 29, entered his plea Wednesday in federal court in San Diego, nearly six months after turning himself over to U.S. authorities at California's border with Mexico, the highest-ranking Mexican cartel leader to do so, the U.S. attorney's office said.

His father, Damaso Lopez Nunez, was arrested in Mexico City in May and had been battling for control of the Sinaloa cartel following the...

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