10: WANTED: Killer on the High Bridge
Summary: On February 13th, 2016, Abby Williams and Libby German went for a hike near the Monon High Bridge, in Delphi, Indiana. After Libby posted a Snapchat photo of Abby at 2:07 pm, the girls were never seen alive again. Searchers found their bodies near a creek parallel to the bridge less than 24 hours later on Valentine's Day. The investigation that has since ensued has left an entire nation searching for the Killer on the High Bridge.