Mysterious Phony Cell Towers Could Be Intercepting Your Calls

Mysterious Phony Cell Towers Could Be Intercepting Your Calls | Popular Science:
"Who is running these interceptors and what are they doing with the calls?  
Goldsmith says we can’t be sure, but he has his suspicions.
“What we find suspicious is that a lot of these interceptors are right on top of U.S. military bases.
So we begin to wonder – are some of them U.S. government interceptors?
Or are some of them Chinese interceptors?” says Goldsmith.
“Whose interceptor is it?
Who are they, that's listening to calls around military bases?
Is it just the U.S. military, or are they foreign governments doing it?
The point is: we don't really know whose they are.”"