In the escalating war among rival factions of Mexico's Sinaloa cartel, sons of Joaquín "El Chapo" Guzmán are suspected of ...

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 ...

Vicente Zambada Niebla, who is cooperating with the government and who is likely to be called to testify against his father. "Because Vicente has information that might be used against you ...

He was the son of Vicente Zambada Niebla, heir apparent to the cartel throne until his 2009 arrest in Mexico City. After he was extradited to the U.S., Zambada Niebla cooperated with federal ...