Spy Devices Which Track Cellphones, Intercept Calls Found All Over D.C., Md., Va.

The News4 I-Team found 40 potential locations where the spy devices could be operating, while driving around for just a few hours.

https://www.nbcwashington.com/investigations/Potential-Spy-Devices-Which-Track-Cellphones-Intercept-Calls-Found-All-Over-DC-Md-Va-482970231.html