TSA says the pilot is voluntary and accurate, but critics have raised concerns about questions of bias in facial recognition technology and possible repercussions for passengers who want to opt out.

The Transportation Security Administration has been testing facial recognition technology as an option for travelers at select U.S. airports for years, touting it as a way to speed up identity ...

TSA's new technology snaps a real-time picture of a passenger and matches it with their scanned ID. It improves efficiency in checking IDs and speeds up checks by reducing human contact.

TSA says the pilot is voluntary and accurate, but critics have raised concerns about questions of bias in facial recognition technology and possible repercussions for passengers who want to opt out.