Margarito "Jay" Flores Jr. helped bring down cartel boss Joaquín "El Chapo" Guzmán Loera. He says the cooperation of at least ...

A son of drug lord Joaquin "El Chapo" Guzman pled guilty in a U.S. drug trafficking case at a hearing in Chicago Friday.

El Chapo's son, Ovidio Guzman Lopez, pleaded guilty to running the Sinaloa Cartel and coordinating massive shipments of ...

A son of Joaquin “El Chapo” Guzman plead guilty Friday in federal court in Chicago to helping his father and brothers run the notoriously violent Sinaloa cartel.

Prosecutors allege Ovidio Guzman Lopez and his brother, Joaquin Guzman Lopez, ran a faction of the Sinaloa cartel.

Joaquin "El Chapo" Guzman is made to face the press as he is escorted to a helicopter in handcuffs by Mexican soldiers and marines at a federal hangar in Mexico City, Mexico, Friday, Jan. 8, 2016.

Ovidio Guzman Lopez’s father is Joaquin “El Chapo” Guzman, the former leader of the Sinaloa cartel who smuggled mountains of cocaine and other drugs into the United States over 25 years. 3.

Son of El Chapo pleads guilty in connection with running Sinaloa Cartel It’s expected that Ovidio Guzmán López’s guilty plea agreement will pave the way to further federal prosecution of ...