At Guzmán's trial, Vicente Zambada recounted how his father and Guzmán ran the cartel together. At one point, he described corrupt Mexican politicians asking whether the syndicate could help ...

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 ...

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 ...

At Guzmán’s trial, Vicente Zambada recounted how his father and Guzmán ran the cartel together. At one point, he described corrupt Mexican politicians asking whether the syndicate could help ...