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The pupils of our eyes are terrible liars. Scientists have long known this. Our pupils widen ever so slightly when we’re being deceptive. The change is so minor — fractions of a millimeter — that the average person would never notice. But now a Utah-based company called Converus has a test that uses a camera…

Using new technology to measure deception, a nearby private investigator expects the program to change the way some civil and criminal cases are handled. “What makes it different is that it takes the subjectivity completely out of the equation,” Brian West said. “Some of my military buddies kind of talk about this stuff all of…