Sphere of Influence

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

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 13-year-old teen disappears and her body is soon found in nearby woods. An interaction at a yogurt shop would set police on the path to finding her killer.

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When an 18-year-old girl is abducted while talking on a pay phone, forensic evidence found on her clothing points police in the direction of a suspect who shockingly confesses that he didn't act alone.To learn more about how HLN protects listener privacy, visit cnn.com/privacy Le ...  Show more

The mysterious murder of young teacher’s aide leaves a hole in the heart of her small community in Agawam, Massachusetts. As the rumor-mill about suspects churned, the actual perp slipped further away. But generations of investigators and a scientific breakthrough leads to a shoc ...  Show more