Sinaloa cartel leader, a U.S. fugitive, is shot dead in Mexico

Read MoreEliseo Imperial Castro, who was wanted by the U.S., was the nephew of Sinaloa cartel co-founder Ismael “El Mayo” Zambada.Eliseo Imperial Castro, who was wanted by the U.S., was the nephew of Sinaloa cartel co-founder Ismael “El Mayo” Zambada.