A model of the short-range radio frequency stopper under development to stop vehicle attacks, developed by JNLWD, in March.

A model of the short-range radio frequency stopper under development to stop vehicle attacks, developed by JNLWD, in March. Patrick Tucker/Defense One

The Pentagon Is Making a Ray Gun to Stop Truck Attacks

A device that resembles an old phonograph may soon be used to jam and shut down vehicles like the one that killed 10 people in Toronto.