People taking Delta Airlines international flights at Hartsfield-Jackson Atlanta International Airport will soon be subject to biometric facial scans. The scans are optional for US travelers, but foreign visitors cannot opt out. This rollout is part of a larger trend of US airports using biometrics for security and to keep exit records of visa holders. Dulles Airport in DC and New York's JFK Airport have been experimenting with biometric facial recognition since 2015 and 2016, respectively. Customs and border Protection (CBP) may eventually allow facial scans as a form of identification to enter the US. Key Takeaways: Delta will require biometric scans for foreign travelers going through Atlanta, while Americans will be able to opt out. Delta's roll out in Atlanta follows similar implementation of biometrics programs at DC's Dulles Airport and JFK Airport in New York. Customs and Border Protection (CBP) is looking at the possibility of letting people use facial scans as a form of