THE BEST SIDE OF ISMAEL EL MAYO ZAMBADA IN NARCOS MEXICO

present-day and former federal authorities say Zambada was the brains along with the elder Guzman, now locked up in a U.S. federal prison, was the muscle of one of many deadliest throughout the world fentanyl trafficking businesses, the Sinaloa Cartel. In his 2010 interview, Zambada was eloquent and incisive, speculating about what would happen if