Ismael ‘El Mayo’ Zambada: Mexican drug lord arrested in US  BBC.comUS operation to capture Sinaloa cartel leaders had the help of one of the captured men: a son of ‘El Chapo,’ official says  CNNMexico not told of cartel arrests until kingpins were in U.S. custody  The Washington PostUS arrests Mexican drug lord ‘El Mayo’ and son of ‘El Chapo’ in Texas  Reuters CanadaSon of ‘El Chapo’ and Sinaloa Cartel co-founder ‘El Mayo’ arrested in Texas  NBC News