Camera hack can spot cleaned-up crimes
Technology can help police find painted-over bloodstains
http://www.sciencenews.org/view/generic/id/343007/title/Camera_hack_can_spot_cleaned-up_crimes
Fortunately, criminals, as a species, are too knuckle-headed to read things like this, so there is little worry that it will be used to hinder any investigations. It is interesting to me that most modern CCD-based cameras work excellently in the near IR range (you see this in the ‘green’ light of night-shot cameras (though be warned, if someone is looking at you with an IR viewer (basically, any CCD-equiped device) you are visible from _miles_ away). An accident of the way they are designed, but a happy accident for peeping toms, I guess.
