I think we have all seen films like Speed where money has these gel caps that explode when the perp touches them. The purpose is to catch the thief red-handed (or whatever color the gel-pack is), and it is pretty irrefutable. This SmartWater works on the same principle. It is currently being used by the Brent Police Department in the London Borough of Brent, as a theft … [Read more...] about SmartWater Booby Trap gets Crooks a-glowin’