Ismael ‘El Mayo’ Zambada: How US caught drug kingpin after 35 years  BBC.comVideo Top fentanyl traffickers arrested, according to the Department of Justice  ABC NewsExclusive | How the Son of ‘El Chapo’ Duped Drug-Cartel Kingpin ‘El Mayo’ Zambada and Turned Himself In  The Wall Street JournalWhat we know about the Sinaloa cartel and its leaders  CNN‘He’s a straight-up rancher’: Chicago twins who cooperated against Sinaloa cartel talk about arrest of ‘El Mayo’  Chicago Tribune