UK shops are about to get a four-second line to the police, powered by your face

A facial recognition system called Facewatch, used in over 100 UK shops including Sainsbury's, is set to automatically alert police within four seconds if a flagged individual enters a store. While retailers argue this helps prevent theft and violence by identifying repeat offenders quickly, civil liberties groups raise concerns about legal and ethical implications, including potential errors and the lack of transparency around the watchlist. The technology's rapid deployment is outpacing the UK