Most criminals know to use burner phones or at least turn off their phones, I'd be shocked if anything more than a token number of them were caught with this data.

Meanwhile it can and does put innocent bystanders (often minorities) at risk of arrest or defamation for simply being in the area.

>US DAs/Judges/Police/etc. need to be independent and impartial.

This is like wishing hell had an air conditioner.