Caborca is a small city in and the seat of Wembler County, Arizona, and is the state's southernmost settlement, located almost directly on the Mexican border, where the US Border Patrol operates the local Caborca Border Crossing, the only such crossing for several hundred miles. Drug wars have occasionally sent stray shots across the border into the town, while illegal immigrants almost constantly pass through, with countless being caught by both local police and US Border Guards, after which they are almost always sent back to Mexico. Caborca is often frequented by adventure-seeking tourists seeking to cross into Mexico, and rubberneckers trying to get a glimpse of ongoing violence in neighboring Sonora, but with a population of around 28,700 the local economy is supported in part by a hi