HLN

In the aftermath of violent crimes, unexplainable accidents and other strange occurrences, authorities search for answers in what was left behind. Listen as detectives, scientists and other experts sift through the clues, analyze the evidence and piece together data — all in hopes of finding the truth. New Episodes drop each Thursday.

In 1974, a mass murder shook the sleepy waterfront town of Amityville, New York. One November night, police found the DeFeo family shot dead, face down in their beds. Only one survived: Ron DeFeo Jr., the eldest son with a troubled past. In this six-part series, host Donnie Wahlberg untangles the dark and complicated story of what happened that night, and unearths how these grisly murders sparked an infamous haunted tale.  

Abby and Libby - 2 young girls murdered. Investigators are searching for the killer using their biggest clue: a recording of his voice from one of the victims' phones ordering the girls Down the Hill. Almost three years later, it's a mystery that still haunts the small town of Delphi, Indiana while police say the killer may walk among them.

From HLN Original Series, a true crime podcast obsessed with cracking the forty year mystery of California's most prolific serial murderer - the Golden State Killer. Who is he? Where did he go? Why did he stop? And is he still alive? With evidence suggesting the latter, in 2016 the FBI reopened the case - making the investigation hotter than ever. Based on the HLN television series, the weekly podcast will examine the newest theories and FBI evidence with exclusive guests tied to the crimes - bringing listeners one step closer to finding one of the nation's most dangerous predators. Watch HLN starting Sunday, March 18 at 9pm ET/PT for more of Unmasking A Killer.

Forensic Files is a pioneer in the field of fact-based, high-tech, dramatic storytelling. This series of television programs delves into the world of forensic science, profiling intriguing crimes, accidents, and outbreaks of disease from around the world.