Season 5 of Dateline: Missing In America returns with six new cases of missing persons, told through the voices of families and investigators desperate for answers. Correspondent Josh Mankiewicz reports on disappearances brought to Dateline by social media followers—cases where one small detail from the public could solve a mystery and bring someone home. Missing person cases often remain unsolved for years, leaving families in continuous emotional limbo while they conduct their own independent searches and await investigative breakthroughs.