Reading (Friendly, Enemy) Faces

An intriguing posting to Canada's public tender site MERX:

"The objective is the design and development of a decision support system through the fusion of biometrics signals for behavioural diagnostic applications."

Translation 1: How would you like a system that could read a bad guy's face and measure hostile intent?

Translation 2: How would you like a system that could read a good guy's face and measure fatigue or anxiety?

More here.