The possible testimony of the son and once heir of Ismael ‘El Mayo’ Zambada is the latest twist in a billion-dollar Mexican family saga of treachery and violence ...

Zambada's lawyer Frank Perez has also represented his son, Vicente Zambada Niebla, who prosecutors say could testify against him at trial. Zambada Niebla previously testified against Joaquin "El Chapo ...

The alleged cofounder of the Sinaloa Cartel, in U.S. custody since his arrival in July, could strike a deal to avoid the ...

Ismael "El Mayo" Zambada decided to stick with the lawyer defending him from U.S. drug trafficking charges despite a possible ...

In the escalating war among rival factions of Mexico's Sinaloa cartel, sons of Joaquín "El Chapo" Guzmán are suspected of ordering the destruction of elaborate mausoleums that belong to rival families ...

GDA via AP Images During the hearing, Judge Brian Cogan also allowed Zambada to keep his lawyer, Frank Perez, despite a conflict over Perez's representation of El Mayo's son, Vicente Zambada ...

U.S. prosecutors said Wednesday that they're discussing a potential plea deal with Ismael “El Mayo” Zambada, the long-elusive Mexican drug lord who was arrested last summer and whose son could ...

NEW YORK (Reuters) - The accused Mexican kingpin Ismael "El Mayo" Zambada on ... conflict of interest. Zambada's lawyer Frank Perez has also represented his son, Vicente Zambada Niebla, who ...

U.S. prosecutors said Wednesday that they're discussing a potential plea deal with Ismael "El Mayo" Zambada, the long-elusive Mexican drug lord who was arrested last summer and whose son could ...

The Mexican drug lord who founded the Sinaloa cartel with Joaquin "El Chapo" Guzman is in plea talks with federal prosecutors ...

The Mexican drug lord who founded the Sinaloa cartel with Joaquin "El Chapo" Guzman is in plea talks with federal prosecutors in Brooklyn, New York, to resolve his case before a trial that could ...