TheFederal Bureau of Investigation has adopted a new surveillance method, using push notifications to track down suspected criminals. However, it has also sparked concerns about privacy violations. What Happened: The FBI has been using push notifications, a common feature on smartphones, to identify and track down suspects. This technique has been instrumental in apprehending individuals involved in serious crimes, including child abuse and kidnapping, reported The Washington Post. For instance, the FBI used a push token, a unique code used to send push alerts, to identify and arrest a man in …