Vicki Dill's older sister was murdered in 1973. After years of going unsolved, the case was finally closed ... and now the killer wants to be set free.

Police assumed a man missing for 30 years was dead ... until the victim had his "Aha!" moment.

For 36 years Beverly England's killer has roamed free. Now police say they finally have a suspect in her murder.

In "Who Killed My Daughter?", a mother searches for the truth behind her daughter’s tragic death.

She had a string of marriages – and famous suitors – but her final relationship with Robert Blake ended when she received a shot to the back of the head.

Meet the mind behind the Cold Case Investigative Research Institute, a real-life detective club that tackles unsolved murders throughout history.

On a quiet summer night in Iowa, eight people were bludgeoned to death while they slept in their beds.

He's one of the most famous figures in Australian history ... only because police can't figure out who he was or what happened to him.