Former cartel boss Ismael “El Mayo” Zambada has pleaded guilty in a U.S. courtroom, apologizing for flooding America with drugs. Alongside Joaquín “El Chapo” Guzmán, he built the Sinaloa Cartel into ...

Washington claims the veteran drug lord and other cartel leaders earned $10 million a year from cocaine trafficking alone, ...

"El Mayo," former leader of the dangerous Sinaloa Cartel, which smuggled billions of dollars of drugs into the U.S., was ...

Former Mexican cartel kingpin Ismael "El Mayo" Zambada will spend the rest of his life in prison after pleading guilty Monday ...