When I wrote my novel “Skyscrapers,” one of the characters was a major drug importer/dealer named Diego Diaz. I had been studying gun control and was well aware Chicago had become a major hub for drug dealers. The chief honcho in Mexico was named Joaquin “El Chapo” Guzman, who shipped drugs from Colombia to Mexico “using submarines, speedboats and amphibious vessels to avoid law enforcement,” according to “The Chicago Tribune,” January 28, 2015. Twin brothers in Chicago were major receivers…..
