https://techcrunch.com/2019/12/02/homeland-security-face-recognition-airport-citizens/ > Homeland Security wants to expand facial recognition checks for travelers arriving to and departing from the U.S. to also include citizens, which had previously been exempt from the mandatory checks. > In a filing, the department has proposed that all travelers, and not just foreign nationals or visitors, will have to complete a facial recognition check before they are allowed to enter the U.S., but also to leave the country.