Potential Spy Devices Which Track Phones Found All Over DMV

The technology can be as small as a suitcase, placed anywhere at any time, and it's used to track cell phones and intercept calls. The News4 I-Team found dozens of potential spy devices while driving around Washington, D.C., Maryland and Northern Virginia.
Read more: https://www.nbcwashington.com/investigations/Potential-Spy-Devices-Which-Track-Cellphones-Intercept-Calls-Found-All-Over-DC-Md-Va-482970231.html?source=Snapzu