|Title||El Chapo's Rise: From Poor, Abused to Drug Cartel Kingpin|
ABC7 -- Guzman outlasted contemporaries by forging temporary alliances with other traffickers and sharing intelligence on rivals with government officials who killed or arrested them, said David Shirk, associate political science professor at the University of San Diego.
"The Sinaloa Cartel brought economies of scale and organizational capacity but, most importantly, they knew how to knock out their rivals," Shirk said. "There's more to this than knowing how to hide the drugs. It's about good intel and good working relations with the authorities." (Full Story)