Who Killed Abby and Libby? 'Mindhunter' John Douglas Offers Insight Into Delphi Murders

What Karina Vetrano's Mother Said to Her Convicted Killer: Today on Inside Edition

Some Delphi Locals Frightened That 'Down the Hill' Killer Could Be Hiding in Plain Sight

Are Police Closing In on a Suspect in the Delphi Murders? Today on Inside Edition

Police Release New Audio and Video of Suspect in Murders of 2 Indiana Teens

2 Years On, Delphi Copes With Deaths of Abby Williams and Libby German