Tech Crunch: “A government watchdog has criticized U.S. border authorities for failing to properly disclose the agency’s use of facial recognition at airports, which included instructions on how Americans can opt out. U.S. Customs and Border Protection (CBP), tasked with protecting the border and screening immigrants, has deployed its face-scanning technology in 27 U.S. airports as part of its biometric entry-exit program. The program was set up to catch visitors who overstay their visas. Foreign nationals must complete a facial recognition check before they are allowed to enter and leave the United States, but U.S. citizens are allowed to opt out. But the Government Accountability Office (GAO) said in a new report out Wednesday that CBP did “not consistently” provide notices that informed Americans that they would be scanned as they depart the United States…”