TSA already has “behavior detection officers” at 161 airports nationwide looking for travelers exhibiting physiological or psychological signs that a traveler might be a terrorist. However, Pistole said TSA is preparing to move to an approach that employs more conversation with travelers—a method that has been employed with great success in Israel.

“I’m very much interested in expanding the behavior detection program, upgrading it if you will, in a way that allows us to….have more interaction with a passsenger just from a discussion which may be able to expedite the physical screening aspects,” Pistole said during an appearance at the Aspen Security Forum in Colorado. “So, we’ve looked at what works around the world, some outstanding examples and we are planning to do some new things in the near future here.”

Pistole also said TSA is planning to test out some new methods for screening children in the wake of highly-publicized videos of children screaming as they were patted down at airport checkpoints. The TSA chief said adults have used children as suicide bombers before in other contexts and could do so through an airport, but there may still be better ways to screen kids.

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