Small city's advanced cellular devices suggest these intrusive tools may be more widespread than we know.
Even through circuit court arguments, police obscured use of controversial technology.
The police department’s contract with Vigilant Solutions gives it the ability to track people across the country.
Companies file briefs in support of scientists' right to anonymous speech.
A reminder that big data analytics can reinforce racial, gender, and other disparities.
Police software gathers social media and other information on people to rate their "threat level." What could go wrong?
No judge has actually thrown out evidence obtained through secret, warrantless Stingray use. Until now.
History suggests we could be in for a period of political instability. That will stress-test our civil liberties.