The $215,520 began its journey south in the parking lot of a Meijer grocery store in Louisville, Kentucky, a 19-hour drive northeast from its eventual destination on the US-Mexico border. A local drug dealer handed a courier wrinkled, mostly $20 bills bound with rubber bands, loosely wrapped in a plastic bag and stuffed in a backpack. The courier, posing as the driver of a wrecker truck which hauled totaled vehicles across the country, brought the backpack to the border city