From Habr.
A carrier carrying drugs crashed on the U.S.-Mexico border.

Lerg: And really, how can copters be detected? On the backdrop of the night sky, the task seems unresolved.
OK, it was detected. And then what? Send a drone interceptor? And smugglers will take and will send drones-trucks accompanied by drones-fighters.
vlreshet: Aerial drone battle would look oh like epic.
frig: C forming a joyful cloud of crystalline methamphetamine in the air.