Geofence warrants have become a popular tool among law enforcement agencies for solving serious crimes. This investigative technique allows authorities to gather anonymous location data from devices within a specific area during a particular timeframe.
According to an EFF investigation of public records from dozens of state and local law enforcement agencies widely-use mass surveillance technology.
For instance, geofence data played a crucial role in the investigation of the January 6 Capitol riots and the 2022 murder of four Idaho college students.
As effective as these warrants can be, they also face significant scrutiny and legal challenges.
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Google’s Policy Shift
In December 2023, Google announced that it would implement changes throughout 2024 to make users’ location data unavailable for law enforcement purposes.
