Texas Ismael “El Mayo” Zambada, a powerful leader of Mexico’s Sinaloa cartel, pleaded not guilty Friday in a U.S. drug trafficking case that accuses him of engaging in murder plots and ...

Mexican cartel boss Ismael “El Mayo” Zambada, who was one of the United States’s most wanted drug lords, pleaded not guilty ...

Ismael "El Mayo" Zambada, a powerful longtime leader of Mexico's Sinaloa drug cartel, pleaded not guilty Friday to U.S. narcotics trafficking and murder charges.Participating in a court hearing ...