Drones in Our Future On our border with Mexico, both drug smugglers and the CBP use them.

From nationalreview.com:

As multi-billion-dollar international conglomerates intent on smuggling drugs, people, and other contraband across America’s southern border, drug cartels are always looking for the newest and best technology to help move their product. And the smugglers have come a long way from the days when border tunnels and small private planes were state-of-the-art. Their latest innovation: drones.

Drones by definition do not need an on-board pilot. This means that drones can be far smaller than manned aircraft — and that in the case of a crash, there is no one on board to be killed, or captured and interrogated.