In a growing number of Transportation Security Administration lines at U.S. airports, you may be asked to look into a camera that takes your photo. But did you even know that you can say no to the face scan? And that you may have good reason to? Since 2020 , the face scan is part of TSA’s screening program in select airports across America. Through its facial matching technology, TSA claims it can more efficiently and conveniently verify that the person in front of an agent is the person shown