Dateline

A mystery we’ve covered for more than a decade: Was this a tragic fall, a murder or something else?

Questions remain in the case that gripped and divided the nation. Hear new details from key players.

Surprising details from Amber Frey, the other woman in Scott’s life, and rare police video of Scott.

A riveting new look at Charles Manson: how the fame-crazed criminal convinced his “family” to kill.

He called himself a Rockefeller – but was this charming con man capable of murder?

Police raced to solve the mystery of the missing real estate agent. Could they find her in time?

Police uncover the chilling betrayal behind a New York millionaire’s brutal murder.

A beloved husband and father was murdered, leaving behind secrets - and a family full of suspects.

Police told Dalia her husband was dead, but there would be surprises. Was she a mastermind or pawn?

A prominent attorney found dead in his small southern town. Was his killer an enemy? Or a friend?

Her daughters suspected her new husband was a con man. The truth was darker than they imagined.

Bank employees forced to rob their own banks. How innocent families were targeted is terrifying.

He said he killed his wife in self-defense. His first wife died, too. Now cops wanted to know more.

His marriage went bad and he went missing. Did he not want to be found or was she hiding something?

When a healthy young doctor suddenly dropped dead, a medical mystery soon became a murder mystery.

Her mysterious illness baffled doctors. What killed her? Then the question for police became who?

A tale of sex, betrayal and murder: Inside the deadly love triangle where three became a crowd.

A newlywed dead. His bride suspected foul play. The mystery wasn't just who killed him, but how.

They were inseparable, then she went missing. Inside a secret world: teens, social media and murder.

Three best friends shared big dreams. Then, one vanished. Did a secret romance lead to tragedy?

A hunter presumed dead. Was it an accident or murder? The steamy secret that exposed the truth.

The investigation into the death of a college student leads authorities to her theater group.

Two murders. One big mystery. Enter the actors under the spotlight. What was real versus pretend?

When a nursing student disappears, an electronic trail of chilling clues reveals a dark obsession.

As best friends, they shared everything. Maybe too much. Did a steamy secret lead to murder?