Catching the IMSI Catchers

 “IMSI catcher catcher”—a device designed to snoop on the snoopers, sniffing out anyone operating an IMSI catcher in a given location.
Spying has been going on since one human wanted to know what another human was doing or saying. A common-sense expectation of modern Government is to limit or place a choke on how spying is conducted and, importantly, who can do it (spying, that is). Sadly, the