Jon Schuppe reports:
The email arrived on a Tuesday afternoon in January, startling Zachary McCoy as he prepared to leave for his job at a restaurant in Gainesville, Florida.
It was from Google’s legal investigations support team, writing to let him know that local police had demanded information related to his Google account. The company said it would release the data unless he went to court and tried to block it. He had just seven days.
The lawyer, Caleb Kenyon, dug around and learned that the notice had been prompted by a “geofence warrant,” a police surveillance tool that casts a virtual dragnet over crime scenes, sweeping up Google location data — drawn from users’ GPS, Bluetooth, Wi-Fi and cellular connections — from everyone nearby.
Read more on NBC.