Matt, have you seen this?
He posted to it, #2. So I assume he has. 8>)
Law enforcement has long had the ability to subpoena phone company records, and the phone company has long been keeping logs of where your phone has been (at least at the cell tower level)
If you use google maps, expect them to also maintain logs of your locations, which they will readily hand over.
If you anticipate being somewhere where the Deep State wants you to be, leave your phone home.