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A look at how Anna Nicole Smith's lavish lifestyle may have contributed to her mysterious death. (Repeat).

Part 1 of 2. A look into revelations of what Michael Jackson's children and staff witnessed prior to his death and an investigation into the claims that Jackson took his own life. (Repeat).

Part 2 of 2. A look into revelations of what Michael Jackson's children and staff witnessed prior to his death and an investigation into the claims that Jackson took his own life. (Repeat).

The 1996 murder of JonBenet Ramsey is investigated, with a look at a wide range of suspects, including the Ramsey's maid and the man who portrayed Santa Claus at a holiday party only days before JonBenet was killed. (Repeat).

The aftermath of the investigation into the murder of JonBenet Ramsey is the focus. (Repeat).

David Kaczynski, the brother of convicted Unabomber Ted Kaczynski, discusses the hunt that led to the capture of his infamous sibling. (Repeat).

The murder of a college student, who was found slain in his apartment, is investigated. (Repeat).

A seemingly clear-cut case of murder on a highway gets murky when someone seeks revenge. (Repeat).

When two women from the same town were murdered in the same way, police feared a serial killer was on the loose. At first they thought the victims had nothing in common until they found tiny clues linking them to the same man. (Repeat).

The body of a young woman is found on a golf course in the Bahamas, and a patch of grass near the body may be a clue. (Repeat).

The death of a 16-year-old girl is investigated, and paint and wood chips become potential clues for authorities. (Repeat).

The police investigate the slaying of a disc jockey, whose body was found in a garden. (Repeat).

When a woman's husband was gunned down in his own garage by intruders, investigators worked tirelessly to find the assassins. But when they discovered that a wound sustained during the attack by the grieving widow may have been self-inflicted, they turned to science to help them unravel a twisted tale of lust, greed and deception. (Repeat).

Three seemingly unrelated deaths proved to be serial murders. The killer had been careful – he used poison which had no taste or odor. Fortunately for investigators, it also had a unique chemical signature. (Repeat).

The investigation of the murder of a man in his own bed turns up little evidence beyond a shoeprint in mud outside his home. (Repeat).

Now it's not only a fingerprint which can link a killer to a crime; a shoe print can be just as telling. Armed with little else, police hoped the shoe impressions found at a Lansing, MI crime scene would put their investigation of Audrey Nichols' murder back on track. (Repeat).

The slaying of a Philadelphia chef leads investigators to initially suspect his restaurant's employees until they determine the ingredients of his demise: debt, deceit and betrayal. (Repeat).

Investigators in Washington, D.C. try to find a serial arsonist. (Repeat).

The murder of a college student, who was found slain in his apartment, is investigated. (Repeat).

A seemingly clear-cut case of murder on a highway gets murky when someone seeks revenge. (Repeat).

When two women from the same town were murdered in the same way, police feared a serial killer was on the loose. At first they thought the victims had nothing in common until they found tiny clues linking them to the same man. (Repeat).

The body of a young woman is found on a golf course in the Bahamas, and a patch of grass near the body may be a clue. (Repeat).

The death of a 16-year-old girl is investigated, and paint and wood chips become potential clues for authorities. (Repeat).

The police investigate the slaying of a disc jockey, whose body was found in a garden. (Repeat).

When a woman's husband was gunned down in his own garage by intruders, investigators worked tirelessly to find the assassins. But when they discovered that a wound sustained during the attack by the grieving widow may have been self-inflicted, they turned to science to help them unravel a twisted tale of lust, greed and deception. (Repeat).

Three seemingly unrelated deaths proved to be serial murders. The killer had been careful – he used poison which had no taste or odor. Fortunately for investigators, it also had a unique chemical signature. (Repeat).

The investigation of the murder of a man in his own bed turns up little evidence beyond a shoeprint in mud outside his home. (Repeat).

Now it's not only a fingerprint which can link a killer to a crime; a shoe print can be just as telling. Armed with little else, police hoped the shoe impressions found at a Lansing, MI crime scene would put their investigation of Audrey Nichols' murder back on track. (Repeat).

The slaying of a Philadelphia chef leads investigators to initially suspect his restaurant's employees until they determine the ingredients of his demise: debt, deceit and betrayal. (Repeat).

Investigators in Washington, D.C. try to find a serial arsonist. (Repeat).

A 33-year-old West Virginia husband and father seemingly dies in an accidental house fire, but a closer look at the scene reveals a more sinister case. (Repeat).

July 4th weekend leads to tragedy for a California family. To catch a killer, detectives use an unorthodox technique, analyzing bug fragments, to help put a murderer behind bars. (Repeat).

Get the latest news, weather updates, and sports analysis on CNN News Central. Stay informed with all the top stories of the day. (Repeat).

Get the latest news, weather updates, and sports analysis on CNN News Central. Stay informed with all the top stories of the day. (Repeat).

Get the latest news, weather updates, and sports analysis on CNN News Central. Stay informed with all the top stories of the day. (Repeat).

A failing family business leads to murder. (Repeat).

A wealthy Arizona family becomes the victim of murder. (Repeat).

Murder results from a family feud over a fortune. (Repeat).

The case of a NASA contractor and his wife who abused their three adopted children. (Repeat).

Infighting and backstabbing lead to murder within an esteemed Texas farming family. (Repeat).

Jealousy, greed and murder mar a blended family whose personal and professional lives are intertwined. (Repeat).

The golden years turn tragic for empty nesters. (Repeat).

The Season 5 premiere details a Nebraska family ripped apart by anger and jealousy when an unlikely affair is revealed. (Repeat).

A woman's body is found in the bathroom of her mother-in-law's home and investigators look for evidence of foul play. (Repeat).

Homicides in two different continents are investigated. (Repeat).

A woman is killed by a bomb planted in her doorway and investigators hunt for her killer. (Repeat).

An alleged killer tries to destroy evidence of a crime, but inadvertently creates new evidence. (Repeat).