Can you tell when someone is lying to you

Someone is fidgeting in a long line at an airport security gate. Is that person simply nervous about the wait Or is this a passenger who has something sinister to hide Even highly trained TSA (Transportation Security Administration) airport security officers still have a hard time telling whether someone is lying or telling the truth despite the billions of dollars and years of study that have been devoted to the subject. Now, University of Rochester researchers are using data science and an online crowdsourcing to create a screening system that can more accurately detect deception based on facial and verbal cues. They also hope to minimize instances of racial and ethnic profiling that TSA critics contend often occurs when passengers are pulled aside under the agencys Screening of Passengers by Observation Techniques (SPOT) program. Basically, our system is like Skype on steroids, says Tay Sen, a PhD student in the lab of Ehsan Hoque, an assistant professor of computer science. Sen is lead author