The measures taken to scrutinize such a person, however, would not have detected plastic explosives.
Security officials said the new procedures were the only way to detect explosives hidden under clothing.
Some research suggests that the machines might not detect explosives or even guns taped to a person's body.
There is $468 million set aside for equipment to detect explosives at airports, 17 percent more than the current budget.
New security measures were imposed at the doors, including the use of machines intended to detect explosives.
Washington had better luck with proposals to make it easier to detect explosives before they go off.
It may also help identify dogs that are especially well suited to jobs like detecting explosives.
Learn how a machine can detect liquid explosives in sealed containers.
We have also agreed on the need for improved methods of detecting explosives.
The dogs are trained to detect either explosives or narcotics, but not both.