CBP can keep a non-citizen's face data for up to 75 years. A U.S. citizen's photo, from the same camera at the same checkpoint, is discarded within 12 hours. TSA's domestic face scan is optional by policy. The Privacy and Civil Liberties Oversight Board, an independent federal body, found that right is communicated inconsistently at the checkpoint. https://www.thebluf.news/p/tsa-cbp-airport-facial-recognition-biometrics #Privacy #Surveillance