Is This the End of Geofence Warrants?

Google announced this week that it will be making several important changes to the way it handles users’ “Location History” data. These changes would appear to make it much more difficult—if not impossible—for Google to provide mass location data in response to a geofence warrant, a change we’ve been asking Google to implement for years.

Geofence warrants require a provider—almost always Google—to search its entire reserve of user location data to identify all users or devices located within a …