They will track everyone and follow the holes walking around. Canada used this strategy in Toronto to illegally find criminals using burner phones. Burner phones stick out like a sore thumb when everyone else allows themselves to be tracked.
France Passes A Bill Allowing Police to Spy on Suspects Remotely
"The bill allows the geolocation of crime suspects, covering other devices like laptops, cars and connected devices, just as it could be remotely activated to record sound and images of people suspected of terror offences, as well as delinquency and organised crime."
https://www.nobsbitcoin.com/france-passed-a-bill-allowing-police-to-spy-on-suspects-remotely/
Discussion
Ooof hadn't thought of that. Everyone needs to get burner phones then!