A combination of pictures shows an undated image of Ismael 'El Mayo' Zambada, left, and an undated image of Joaquin 'El Chapo' Guzman [File: Handout via AFP] The leader of the Jalisco New Generation ...

Dateline: Secrets Uncovered examines the rise and fall of Joaquín “El Chapo” Guzmán, from leading the Sinaloa Cartel to his dramatic escapes and life sentence at ADX Florence.

The killing of Mexican drug lord El Mencho on the anniversary of El Chapo's arrest has sparked conspiracy theories and cartel ...

A reputed high-ranking member of the Sinaloa drug cartel has been indicted on federal charges in Chicago alleging he ran security and helped the sons of Joaquin “El Chapo” Guzman-Loera ...

While Mexico's government hails killing of drug kingpin El Mencho, other cartel leaders continue to evade capture.

Joaquín Guzmán López, son of "El Chapo," pleaded guilty to U.S. drug trafficking charges tied to his role in the Sinaloa cartel. He admitted to large-scale drug smuggling and faces at least 10 years ...

WASHINGTON >> A son of imprisoned Mexican drug lord Joaquin “El Chapo” Guzman on Monday pleaded guilty in a U.S. drug trafficking case, months after his brother struck a similar deal. Joaquin Guzman ...

El Mencho’s real name was Nemesio Oseguera Cervantes, and he was a notorious drug lord that founded and led the Cártel Jalisco Nueva Generación. Here’s a look at some of the most famous drug lords ...

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