Then Google reveals those users' names and other data.
In 2018, Google received 982 geofence warrants.
The following year, it rose to 8,396.
Last year, it jumped to 11,554.
In all, Google received 20,932 geofence warrants in that window.
While Google only disclosed figures from those three years, the company said it’s gotten requests since 2016.
But law enforcement has tapped into the data for help in solving cases.
The jurisdictions with the least requests were Hawaii and Maine, with one warrant each.