As Sinaloa cartel co-founder Ismael "El Mayo" Zambada continues negotiating a potential plea deal with U.S. authorities, reports signal that the Mexican drug lord has revealed key information about the criminal group and its allies.
Ever since being arrested last summer, El Mayo has been in a back-and-forth with U.S. officials. He claims he was kidnapped in Mexico and hauled to the U.S. by Joaquín Guzmán López, one of Joaquín "El Chapo" Guzmán's sons.
