Callum Lange is fully immersed in his daily walk on Sauk Mountain Road when a vehicle suddenly appears beside him. The attractive female driver shows him her DEA badge and wonders if she can take a moment of his time. Lange is surprised. “What in the world is the DEA doing all the way out here, in the middle of nowhere?” he asks. “The middle of nowhere is where small planes like to drop drugs they’ve flown in from Canada,” she answers. Which...