In 2017, The Fall Line began as a long-form profile of the disappearance of Augusta, GA twins Jeannette and Dannette Millbrook. After their case was improperly closed in 1990, their sister, Shanta spent the next 23 years hoping for answers. When she became an adult, she began seeking them herself. When the case was finally reopened in 2013, her family hoped they might finally get answers—but things weren’t that simple.