Authorities investigate the death of a young mother who was found in her own home by her identical twin daughters, in a presumably safe, gated community, leaving behind clues from her past that point to a potential love triangle. Keith Morrison reports.

Some of the most incredible, death defying escapes to ever be caught on tape; authorities investigate the mysterious death of a young woman, whose body was found on the streets of Miami a mere four days after her wedding. Dennis Murphy reports.

When a young woman's fiance is tragically killed at a bar on Halloween night, the authorities are charged with the difficult task of finding the identity of a killer who has not only disappeared, but was in costume on the night of the incident.

A young father in California calls 911 after being in a shootout in a car full of strangers that injures two people and kills another.

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

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

Elizabeth Smart talks about her experience of being held captive for nine months when she was 14 years old.

After young father Matthew Podolak dies from antifreeze poisoning, the manner of his death remains undetermined until his brother embarks on a quest for the truth.