Spy Satellites Chasing Shadows: NASA's Contribution to the War on Terror

Dr Stoica's research is based on gait analysis - the idea that everyone has a distinctive walking pattern, and no matter how many fake beards or dark glasses you put on you can't disguise your stride unless you're wearing so many your knees break.

So far so good. Things only go off the rails with his proposal to use this software to scan shadows to find terrorist suspects. From space. Seriously.