Some versions of the technology can even intercept texts and calls, or pull information stored on the phones. And law enforcement goes to great lengths to conceal usage, in some cases, offering plea deals rather than divulging details on the StingRay. But the agreements don't prevent an officer from telling prosecutors the technology was used in a case. That included cases in which the technology helped catch suspects in kidnappings, rapes, robberies, assaults and murders. And case law is slowly building.

Source: ABC News November 25, 2017 15:42 UTC