But the future of the business may be methamphetamine. During the 1990s, when the market for meth exploded in the United States, new regulations made it more difficult to manufacture large quantities of the drug in this country. This presented an opportunity that the Sinaloa quickly exploited. According to Anabel Hernández, author of “Los Señores del Narco,” a book about the cartel, it was one of Chapo’s deputies, a trafficker named Ignacio (Nacho) Coronel, who first spotted the massive potential of methamphetamine. “Nacho was like Steve Jobs,” Hernández told me. “He saw the future.”