A mom vanishes and now her fiancé is in jail awaiting trial for her murder. His former rodeo queen girlfriend says she knows what really happened. CBS News correspondent Nikki Battiste reports.

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A breakup, one last hug. Was a college student walking into her own murder?

After a young girl is adopted from Russia, her American parents come to believe she is capable of murder and return her. Years later, "48 Hours" contributor Troy Roberts learns her surprising story.

A brilliant Ivy League student is murdered after he went to a California park with a former high school classmate. Was he killed because he was gay and Jewish? Correspondent Tracy Smith investigates.

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The untold story of how investigators found Lori Vallow’s missing children – buried on Chad Daybell’s property. CBS News correspondent Jonathan Vigliotti reports.

Joey Comunale, a successful 26-year-old from Connecticut did what many young people do every weekend -- go clubbing in New York's hot Meatpacking District. Comunale ended the night at an after-party that seemed like any other ... but this time, he disappeared.

A survivor deals with the trauma after her stepbrother is convicted of killing her family in order to go to the prom. CBS News' Jim Axelrod reports.

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An update on the 1993 Tricia Pacaccio murder investigation near Chicago, as well as two other slayings and a brutal attack near Los Angeles. The crimes were allegedly committed by Michael Gargiulo, who knew or lived near all four victims.

Two double murders five years apart in quiet Omaha neighborhoods -- the trail would lead police to a local hospital and an unlikely suspect.

After correspondent Erin Moriarty tracks down the accused killer of a decorated military pilot in Brazil the woman is extradited to the United States --will the pilot’s family get justice?

"48 Hours" goes inside a family’s mission to restore their son’s reputation seven years after he was fatally shot by a police officer. CBS News special correspondent James Brown reports.

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Did Lizzie Borden really hack her parents to death? A surprising answer and an inside look at the haunting crime scene. Erin Moriarty reports.

A man on police radar for the shooting death of a school teacher is convicted of murder in a different case. Both times the victims had been out for ice cream. "48 Hours" correspondent Erin Moriarty reports.

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An investigation into the alleged criminal activity of 19-year-old Colton Harris-Moore, dubbed the Barefoot Bandit.

Can a childhood memory of a friend's murder solve a 55-year-old case? Correspondent Erin Moriarty goes inside the investigation of what authorities say is the oldest cold case ever prosecuted in the U.S.

It was one of the most notorious cases in Texas history -- an ambush in a mansion that killed two and wounded two others -- and to this day, no one has been held accountable. Correspondent Maureen Maher investigates

Nearly four decades after the death of the Hollywood star, Los Angeles County Sheriff’s investigators reveal new clues, new witnesses and a shocking revelation. "48 Hours"' Erin Moriarty investigates.

More than three decades after 6-year-old Etan Patz went missing, police found a surprising suspect. "48 Hours" and correspondent Richard Schlesinger go inside the investigation. Is the haunting case finally over?

A filmmaker tries to solve a real-life murder – the victim, his wife's sister. Sixteen years later, can they find her killer? CBS News correspondent Jim Axelrod investigates.

A Florida man remains in prison two years after his 1990 murder conviction -- which his lawyers call a "racial hoax" -- is overturned by a federal judge.