How law enforcement’s ability to track people via commercially available data blurs the line between investigative due diligence and warrantless surveillance (Byron Tau/Wall Street Journal)

How law enforcement’s ability to track people via commercially available data blurs the line between investigative due diligence and warrantless surveillance (Byron Tau/Wall Street Journal)

Byron Tau / Wall Street Journal:
How law enforcement’s ability to track people via commercially available data blurs the line between investigative due diligence and warrantless surveillance  —  Agencies’ growing use of purchased data without warrants raises new legal questions  —  In January 2020, a 14-year-old girl …