From phys.org:

The Automated Virtual Agent for Truth Assessments in Real Time (AVATAR) is currently being tested in conjunction with the Canadian Border Services Agency (CBSA) to help border security agents determine whether travelers coming into Canada may have undisclosed motives for entering the country.

"AVATAR is a kiosk, much like an airport check-in or grocery store self-checkout kiosk," said San Diego State University management information systems professor Aaron Elkins. "However, this kiosk has a face on the screen that asks questions of travelers and can detect changes in physiology and behavior during the interview. The system can detect changes in the eyes, voice, gestures and posture to determine potential risk. It can even tell when you're curling your toes."

Its good to see that the U.S. is a leader in TCD or Toe Curling Detection.  

Now if they can just detect FCBB, Fingers Crossed Behind Back...