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?

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.

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.

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?

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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.

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

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.

Detectives believe a 13-year-old girl who vanished from her California home in 1981 was murdered; more than 20 years after the disappearance, a traffic stop in Arizona turns up a woman claiming to be the missing girl.

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When Gilles Tetreault arranged to meet a woman he met on an online dating site, he had no idea of the horror that would unfold. Tetreault says he came face-to-face with a madman who had set a trap to kill him. Tetreault was attacked and barely escaped with his life. Johnny Altinger answered a similar online dating ad and disappeared without a trace. Was there really a crime, or was this an elaborate setup for a screenplay for murder? Troy Roberts reports.

A rare look inside a murder case where virtually everything from the first moments of the investigation through the verdict are captured on camera. Correspondent Richard Schlesinger reports.

A college student goes missing -- the “Find My Friends” app leads to her body as her suspected killer flees the country. Will he get away with murder? CBS News contributor Maria Elena Salinas reports.

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All new: A mother battles to prove her son died an American hero. Peter Van Sant reports.

All new: She was a popular teen, her ex was a football star. Their breakup was intense -- and she's dead. Ever hear of breakup violence? You will. Tracy Smith reports.