The High Tech Lie dector (video)

High technology is coming to border patrols and airport screenings.

(ABC News)- It's called "Avatar," not to be confused with the movie by the same name. Avatar looks like an "ATM on steroids," according to Doug Derrick, a researcher at the University of Arizona who is helping develop a machine that may someday ask what you really have in your bag. If it thinks you are lying, it will signal a real person to step in and pick up the interrogation because a twitch in a tiny facial muscle aroused suspicion.