If everybody was forced to have the mic and camera on all the time on their cellphone, I bet the police could catch even more criminals. That is obviously a str

If everybody was forced to have the mic and camera on all the time on their cellphone, I bet the police could catch even more criminals. That is obviously a strawman, but there is a point: there will always be a tradeoff between privacy and safety. I'd rather not give up my privacy to combat what are essentially black swan events. With my base opinion out of the way, I will say I would be comfortable with the kind of tracking you mentioned if there were strong protections on what the police could do with that data. For instance, the phone's owner should be protected from prosecution in similar ways to evidence gained from an illegal search. This data should also have a maximum lifetime. Finally, it should be clear when the records are being requested so the owner of the number can turn it off if they move the number to a new phone. Unfortunately, I can't imagine these kinds of laws being passed, so, until they do, I'll stick with my default of believing the government should require more effort, not less, to snoop in my life.