Pet Rock

This episode originally aired September 12, 2019. The woman was missing for a month. Police find her car but no evidence of foul play... only a fingerprint and a set of keys. There's a code on one of the keys, which they hope will unlock not only a door, but also the mystery of h ...  Show more

This episode originally aired September 9, 2019. For six years, a serial killer prowled the streets of New York City. He wrote letters to police and "The New York Post," indicating he would kill twelve people, one for each astrological sign. Forensic astronomy, handwriting analys ...  Show more

A building manager finds the violated and lifeless body of a young woman in the bathtub of her first apartment. When questioned, an ex-con living downstairs lies to police. But the lies alone do not prove murder and the case goes cold. Then a new forensic tool examines the old ev ...  Show more

The naked body of a young woman is discovered in a remote area, leading forensic investigators on a search for clues to her identity and the identity of her killer. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visi ...  Show more

A young woman disappears as she heads in to work. Unraveling what happened to her would take skilled detectives and an unexpected piece of video.

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A single mom looking for love vanishes without a trace. Foul play is tragically confirmed when a large pickup truck toolbox opens to her body stuffed inside. Homicide detectives investigate men she matched on dating sites, another man she met at work, and finally, a lover with a ...  Show more