Ovidio Guzman Lopez — son of El Chapo and head of Sinaloa Cartel — pleads guilty to federal drug charges in Chicago
Ovidio Guzman Lopez, who succeeded his father — Joaquin Guzman Loera, also known as El Chapo — as one of the heads of the Sinaloa Cartel in Mexico, pleaded guilty today in U.S. District Court in Chicago to federal drug charges.