A long line of bleary-eyed passengers proceeded through the airport checkpoints.

Reportedly, the 9/11 hijackers were instructed to use items that would be undetectable by airport checkpoints.

At airport checkpoints, he said, "I'll always be a suspect."

The driver let me off after we had passed through the airport checkpoint, and I stepped out of the ambulance.

The federal government will gain control through airport checkpoints and other places where federal agencies demand identification.

All travelers from foreign countries are required to pass through airport checkpoints, as inspectors determine their eligibility to enter.

The system determines who will be pulled aside for "secondary screening" at airport checkpoints.

WE have been hearing a lot from women who object to the way they are being handled, literally, at airport checkpoints.

After a period of transition, almost all airport checkpoints will be attended by members of a federal transportation security agency.

Developing and deploying this equipment at the 753 airport checkpoints will take months, if not years.