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A beauty queen's murder shocks a small Arkansas town.

A beauty queen's murder shocks a small Arkansas town.

Robert Durst's recent arrest in New Orleans and his whereabouts over the past 30 years.

A woman's DNA test sends her father halfway around the world to confront his past.

A look at Princess Diana's troubled marriage, her turbulent life in the royal family and her death.

Michael Peterson discusses his decision to enter an Alford plea before his second murder trial.

Police link a filmmaker who is obsessed with the show "Dexter" with a man's disappearance.

Advances in DNA testing allow detectives to finger a suspect in a 20-year-old murder case.

A beauty queen's murder shocks a small Arkansas town.

A riveting new look at Manson: how the fame-crazed criminal convinced his "family" to kill.

A successful businesswoman falls for a banker who may not be who he seems.

Cara Ryan shoots her ex-husband after he allegedly threatens to kill her.

A man and his son are shot to death, tearing their family apart.

During a hurricane, a Florida man trying to avoid his past hides out in a hotel room.

Two young teachers fall in love on the eve of the 2011 earthquake and tsunami in Japan.

A man with a surprising motive shoots a father in broad daylight.

A riveting new look at Manson: how the fame-crazed criminal convinced his "family" to kill.

A successful businesswoman falls for a banker who may not be who he seems.

Cara Ryan shoots her ex-husband after he allegedly threatens to kill her.

A man and his son are shot to death, tearing their family apart.

During a hurricane, a Florida man trying to avoid his past hides out in a hotel room.