Arizona's border wall is being built with anti-drug money. But it won't stop hard drugs, data shows. Scroll to tour map ⬇ To see how drug smuggling works in Southern Arizona, the Star analyzed ...

RELATED: See map of migrant caravan journeys to US-Mexico border A total of 9,568 apprehensions occurred at the Tucson and Yuma border patrol sectors of the southern U.S. border.