Re:

they guys at mit Al that did the video microphone. might be interesting deception tech

This?

http://people.csail.mit.edu/mrub/VisualMic/

yes. I would guess a correlation to lying. eye movement etc. better than lie detector

We've got a few computational optics folks at the Lab that might be interesting... I'll poke around to see if anyone is using it well for the face.

One group is doing a lot on pulse using face color. Multiple people from a single mobile phone camera.

http://slice.mit.edu/2011/12/21/to-monitor-your-heart-check-your-cell-phone/