Joaquin "Chapo" Guzman is pictured on July 10, 1993, at La Palma prison in Almoloya of Juarez, Mexico, after being apprehended by authorities. He escaped and remains a fugitive in a Chicago drug-trafficking case. | Getty Images

This is a photo of a marijuana plot discovered in the North Woods of Wisconsin. Authorities eradicated the pot last year. | Sun-Times Media Photo

A photo taken inside the train car shows packages of marijuana. | Sun-Times Media Photo

A train car full of marijuana shipped to Chicago Heights by a Mexican drug cartel was stopped and the marijuana seized during a raid by the DEA in 2010. | Sun-Times Media Photo