TSA plans to expand facial recognition scanners with automated facial recognition capatility

CAT-2 unit scanners involve facial recognition technology that takes real-time pictures of travelers and compares those images to photo IDs -- an enhancement to the Credential Authentication Technology.

CAT-2 unit scanners currently deployed at about 30 airports in the United States.

TSA uses ‘minimum’ data to fine-tune its facial recognition, but some experts still worry - Nextgov/FCW

Credential Authentication Technology | Transportation Security Administration