A major update in the investigation. Richard M. Allen has been arrested and charged with murder. Barbara, Andrew and Dan are in Delphi with what we know, what we don’t know and what comes next To learn more about how HLN protects listener privacy, visit cnn.com/privacy

After Ron DeFeo Jr. finds his parents and younger siblings dead in their Amityville, New York, home, police begin to search for the killer. Host Donnie Wahlberg and local journalist Joel Martin revisit that horrific evening in 1974, the crime scene and the investigation — all in hopes of answering a question heavy on residents’ minds: “Who would murder an entire family in the dead of night?” If you like this episode, follow Very Scary People where ever you listen.To learn more about how HLN protects listener privacy, visit cnn.com/privacy

Nearly four years after the murders of Abby & Libby, HLN returns to Delphi with new questions and learns new exclusive information about the video on Libby’s phone, and new information about the case’s path forward. To learn more about how HLN protects listener privacy, visit cnn.com/privacy

Three years removed from the murders of Abby Williams and Libby German, the team travels back to Delphi for new conversations, new questions and their own thoughts about what happened out there that day.To learn more about how HLN protects listener privacy, visit cnn.com/privacy

For the first time in nearly two years, police release information about their investigation. It will change everything in the search for the Delphi killer. It will also leave the families and residents of Delphi looking over their shoulders.To learn more about how HLN protects listener privacy, visit cnn.com/privacy