DNA Spray Links Criminals to the Place They Robbed

Bank robbers have been wary of the exploding money pack that covers them with a bright colored dye for years. But now they've got one more thing to worry about as a more sophisticated way of marking robbers is making its way into stores and businesses that are frequently targeted by thieves, a device that sprays an invisible DNA mist on the bad guys that won't wash off for weeks. The mist, which is now being used in nine countries and coming to the U.S. soon, shows up under ultraviolent light...Full Story
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