The rocket launcher itself is assembled out of off-the-shelf pipe and 3D printed components. An Arduino Uno runs the show, hooked up to a Bluetooth module and a laser rangefinder.

Federal authorities seized a rocket launcher and rocket-propelled grenades during a stop at the Arizona-Mexico border late last year.© U.S. Customs and Border Protection ...

NOGALES, Ariz. (KVOA) — Nogales Port of Entry U.S. Customs Officers made a stunning Surprise after discovering a suspect was trying to smuggle a rocket launcher to Mexico through its ...