Joe Dziemianowicz

The murder of Bonnie Hood at a remote California lodge leads investigators to an alleged illicit love affair and a possible hit-for-hire.

After a man was almost killed in a firebombing attack, investigators focused on his girlfriend, Judy Buenoano. They soon realized she was connected to other mysterious deaths.

Sasha Samsudean headed back to her home in a Florida apartment complex with a 24/7 security guard after a night out with friends. The next morning, investigators found her murdered in her bed.

After Vicki Ross was found dead wrapped in an electric blanket, investigators eventually turned to an exhumation to help them solve the case.

Robert LeCompte was found dead on Christmas morning at the bar he worked at alongside a strange note.

In the final year of his life, Walter Gibbs lived with twin sisters he had romantic ties with.

It would take decades and DNA advancements to learn who had killed Janean Brown, an Ohio 19-year-old, on her night out with friends.

During a vicious custody battle, Christine Metter turned to her father — and a Facebook friend — for help concocting a disturbing scheme.

Did Tera Chavez, a New Mexico cop's wife, die by suicide? Or was she actually murdered?

In 2011, a teenaged girl named Micaela Costanzo was murdered in Nevada — a shocking case that's stayed with "Dateline" correspondent Keith Morrison.