In February 2009, the Ministry of Homeland security awarded a $2.6 million contract to Charles Draper Laboratories to
investigate various off-body sensors and sensor systems capable of providing indicators of mal-intent based on physiological respiratory and cardiac responses at various distances in screening lines.
This is officially called "Future Attribute Screening Technology (FAST)". The Ministry has produced a handy video showing prototype demonstration of FAST technology ...
oh da-amn!
How did that get in there? Here's the right link.
I prepared a little transcript below the fold so you can sing along with the Security Goodness!