Dateline

When a healthy 31-year-old father dies suddenly, an autopsy reveals poisoning by antifreeze.

Terrorism is suspected when a woman's truck explodes outside of the daycare center where she works.

A man claims his young wife killed herself after she is found dead in her burning home.

A young father in California calls 911 after being in a shootout in a car full of strangers.

Halloween becomes tragic for a young woman when her fiancé is killed at a local bar.

Investigators try to determine what caused a house fire that killed the 41-year-old wife of a paramedic

A man says he found his wife dead in the bathtub, but the woman's daughters suspect foul play.

When a woman's remains are found miles from her home, investigators start digging into her past.

Survivors of the Westgate Mall attack in Nairobi, Kenya, share their stories.

A woman is murdered and her son is left for dead; a neighbor suspects a stalker is to blame.

When a mother of five is found dead in her bedroom, her family believes a crazed killer is to blame.

Authorities become suspicious when a pastor loses a second wife in an accident.

After finding his wife and two children dead, a former Indiana state trooper spends 13 years trying to clear his name.

The unbelievable murder of Carol Kennedy, a popular college professor, artist and mother.

A post on a social networking site changes everything about a case that put two men in prison.

Detectives look into a couple's complicated past when a man finds his wife stabbed to death in their home.

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

Authorities investigate multiple suspects when a vibrant young woman disappears on her son's fifth birthday.

A young woman is found dead in Miami four days after her wedding.

A 64-year-old man is charged with murder after shooting two unarmed teenagers who broke into his home.

During a weekend away, a longtime married couple goes on an afternoon hike that ends in tragedy.

The mystery of a successful real estate entrepreneur killed by a car bomb spans nearly two decades.

Intruders break into a family's home.

Identical twins find their mother's dead body in their home in a gated community.

When an Iowa woman is attacked while home alone with her three children, the confrontation turns deadly.