As part of the plea deal, Joaquin Guzman Lopez admitted to helping oversee the production and smuggling of large quantities of cocaine, heroin, methamphetamine, marijuana and fentanyl into the U.S.

A son of notorious Mexican drug kingpin “El Chapo” pleaded guilty Monday to U.S. drug trafficking charges, months after his brother entered a plea deal. 
Known locally in Mexico as the “Chapitos,” o…