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A behind-the-scenes look at criminal investigations.
Season 4, Episode 10
August 21, 2016
The kidnapping and brutal assault of a 15-year-old girl in Denver is investigated. The victim was left for dead in the South Platte River.
Season 4, Episode 9
August 14, 2016
The abduction of a 12 year-old girl from her home is investigated.
Season 4, Episode 8
July 31, 2016
A woman dedicates her life to finding the person who kidnapped and murdered her daughter in 1981.
Season 4, Episode 7
July 24, 2016
The investigation into the execution-style murders of a psychiatrist and his adult son goes cold until, months later, an attempted armored car robbery unexpectedly sheds light on the case.
Season 4, Episode 6
July 17, 2016
The 1995 disappearance of three members of a wealthy Taiwanese family living in Virginia is investigated.
Season 4, Episode 5
July 10, 2016
A string of late-night sexual assaults in Phoenix is investigated.
Season 4, Episode 4
July 3, 2016
A graduate student's new romance isn't what it appears to be.
Season 4, Episode 3
June 26, 2016
The disappearance of a young mom from Austin, Texas, doesn't ring alarm bells for the police, who suspect she may be taking a break. Her family, however, fears the worst.
Season 4, Episode 2
June 19, 2016
A mother of four goes missing prior to testifying against her abusive boyfriend.
Season 4, Episode 1
June 12, 2016
The disappearance of a worker at a Green Bay paper mill is investigated.
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