An arrest is finally made five years after a mother of four disappeared while she was close to her apartment in Montana.

Authorities take two years and three trials to solve the shooting death of the wife of an FBI agent in the kitchen of her family's Virginia home.

When a woman returns two days after being reported abducted, authorities believe it's a hoax until a similar crime forces them to take another look; twenty-seven women who have accused Bill Cosby of assault get together to share their stories.

Twenty-seven women who have accused Bill Cosby of assault get together to share their stories.

Ten years after a 16-year-old boy confessed to a double murder and was sentenced to life in prison, a local businessman tries to prove the confession was coerced and the teen was wrongfully convicted.

The case of Johnny Hincapie, whose conviction for the 1990 murder of a Utah tourist in New York -- a case that represented a tipping point in the city's law enforcement -- was overturned after 25 years.

A 29-year-old woman goes missing.

Natalie Morales speaks to the mother of the teenage sexual assault victim from St. Paul's School; new details from both sides of the case, Owen Labrie's conviction and sentencing, and interviews with Labrie's friends and legal team.

When detectives track down the killer of a Las Vegas cocktail waitress and mother, it becomes clear that the investigation has just begun.

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The five-year investigation into the death of a retired corrections officer, who was killed by antifreeze poisoning, reveals multiple suspects.

After a sudden marriage creates tension between two families, a murder exposes secrets, lies and a long-buried mystery.

A man dies in a shooting incident after tempers flare in a confrontation in Montana's Glacier National Park.

California, 2011: Chris Northam Sr. was shot twice in the warehouse of his business. The suspect list is large and includes angry investors, disgruntled employees and ex-lovers. The case stalls. Then someone comes forward with a bombshell.