Note that if you are being specifically targeted then a warrant to the provider would presumably net the equivalent of real time 911 location data. As far as I

Note that if you are being specifically targeted then a warrant to the provider would presumably net the equivalent of real time 911 location data. As far as I understand, outside of active interception the only use for these things is warrantless dragnet surveillance of location. (And active interception is increasingly not possible due to better security practices.)