In a collaborative effort, Apple and Google have developed an industry-standard detection feature called “Detecting Unwanted Location Trackers” (DULT) for Bluetooth trackers. This standard allows users on iOS and Android devices to be alerted if an unknown Bluetooth tracker is monitoring their location.
For sure. That (theoretically) does require warrants, so there’s some level of red tape. That would for sure have to exist in this made up situation where talking about. No way do I want anyone able to just flip a switch and snoop on me, especially the police.