ADVANCE FOR WEEKEND EDITIONS - In this June 15, 2017, photo, Tim Estes, from left, Bill DiPietro and John Wagster pose for a portrait in Franklin, Tenn. They work at Digital Reasoning, which has created a software tool that allows law enforcement to find online ads most likely advertising underage girls being trafficked and to significantly reduce investigation time. (Lacy Atkins/The Tennessean via AP)
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