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Geofence Warrants

The government may request that a court issue a 'geofence warrant'. This is a warrant which gives law enforcement authorities the right to obtain data from any cell phones which were in the same vicinity where a crime took place. A reverse location search is performed by a service provider to disclose all device identifiers picked up in a certain geographic radius in a particular time range. Some courts have ruled that these warrants are not constitutional.


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