A former heir apparent to the violent Sinaloa cartel may help put the alleged leader of the drug syndicate—his father Ismael “El Mayo” Zambada—behind bars for the rest of his life.

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 ...

Those arrested in Mexico for connection to cartels and organized crime often carried, transported, or unloaded "material" ...

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 ...

“I want him, even though this could be a conflict if he represents me and my son.” The younger Zambada was charged himself and made a plea deal in the long-running and sprawling U.S ...

“I want him, even though this could be a conflict if he represents me and my son.” Working alongside Guzmán, Ismael Zambada kept a lower profile and was seen as concentrating more on the ...