Abby Hernandez was just 14 years old when she vanished without a trace while walking home from her school in North Conway, New Hampshire, on Oct. 9, 2013. For nine months, Abby’s disappearance left her family, investigators and the community mystified. The search for the teen was one of the largest in the state’s history. Rumors and theories percolated through the northern New Hampshire town about what may have happened to the teen, who had just begun her freshman year at Kennett High School.