When police discover 10 bodies strewn along a remote beach, there are few answers and even fewer suspects; over a decade later, a new investigation uncovers old leads, and police finally think they've found their man.

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A terrified young escort calls 911 as she flees into the night and vanishes; her family pressures police to take up the search, and investigators uncover a strange cast of characters - plus 10 other bodies spread along a remote stretch of beach.

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In 2003, a bank heist escalates into a robbery-homicide, shattering the lives of those left behind; federal and local law enforcement have his picture and DNA, but they can't find the cold-blooded killer until they learn he hides in plain sight.

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In the '60s and '70s, a serial killer stalks young women in New Jersey; at the same time, three women in New York City are sadistically murdered; no one expects that one man is causing the mayhem, let alone a seemingly ordinary father of three.

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When a single mom tells her 14-year-old daughter to break off a relationship with a 19-year-old man, the young lovers murder the girl's mom, setting off a manhunt and culminating in a trial replete with finger-pointing and betrayal.

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When a 19-year-old girl is found murdered in her boyfriend's bed in a small Texas town, everyone is a suspect. The case goes cold until a new sheriff comes to town who sheds fresh light on some old evidence, but will it be enough to bring her killer to justice?

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A 14-year-old girl finds herself lost and unloved following her parents' divorce and a move to a new town, providing a perfect opportunity for someone to lure her away. For 10 years she's held captive, until she makes her escape.

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Four teenage girls are brutally murdered in a yogurt shop in North Austin, Texas, in 1991, in what becomes the biggest mass murder in Austin history. The investigation that follows drags on for years, and even when police make an arrest, justice is not guaranteed.

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In 1982, in an upscale suburb of Rochester, New York, a Kodak executive returns home and finds his wife dead with an ax in her head. People believed a madman was on the loose, so 40 years later when police make an arrest, everyone is stunned at who stands trial for the murder.

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In 2018, a 16-year-old girl vanishes into thin air the morning after attending a high school party in an isolated California mountain town. The bizarre mystery leads to speculation by internet sleuths that her parents are somehow involved due to inconsistencies in their story.

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A 16-year-old cowgirl goes missing in Nevada. Three days later her body was found draped under a blue tarp that had been dumped among the tumbleweeds. As police search for her killer, the investigation takes a sudden turn towards the boy she called "brother."

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In 1991, a young boy leaves home to check out a local brush fire that was capturing his neighborhood's attention and never returns home. Decades have passed and police continue to look for his abductor(s), while his mother is still waiting for him to find his way home.

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An unknown shooter unleashes carnage from Indianapolis to Wichita, Kansas, killing six in the spring of 1992 at various retail stores near 1-70, a major east-west highway that runs through the very heart of the Midwest. A sketch of the suspect is developed from various eyewitness accounts, but police are at a loss ... until one victim survives.

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The 1977 brutal assault and murder of three Oklahoma Girl Scouts away at summer camp: Lori Lee Farmer, Doris Denise Milner, and Michele Heather Guse is discussed.

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