A young, attractive hairdresser was sexually assaulted and murdered in her own beauty salon. The evidence at the crime scene didn't match any of the suspects and the case went cold for ten years.
Police are able to create a composite sketch of a man burnt beyond recognition. But tracking the killer is more challenging.
A girl claimed she had been abducted. She recounted what happened but things didn't add up to police.
A fireman died from what appeared to be heart disease, but his family was skeptical of the cause of death.
A man's wife took her own life and his college sweetheart killed herself the same way. Was it coincidence?
The victim was a self-made man who never minced words. Perhaps he was murdered by a disgruntled client.
In 2007, the Florida mobile home of Effie and Michael Ratley catches fire. Michael heroically rescues his wife and infant son. A month later, his wife is found beaten to death in a bedroom of his parents' home.
A skeleton was discovered in the North Carolina marshlands. Investigators learned she'd been dead for months.
A woman was found dead on the bedroom floor of her apartment. The crime scene yielded little of value and investigators wondered if they would find enough evidence to make a case.
An 82-year-old woman was found dead. Clues on the victim's body would tell police what happened that night.
In 2006, Texas real estate agent Sarah Anne Walker was found brutally murdered in a model home.
When a little girl got sick and died, investigators were stumped. Was it an accident, an unexplained illness or murder?
The woman in the back of the truck was flailing her arms, screaming. They thought she was doing something dangerous for the fun of it.
When Kristine Fitzhugh failed to show up for her music class, her husband found her dead at the bottom of the stairs of their Palo Alto home. Further investigation reveals evidence of murder in the kitchen.
In 2006, Darlene VanderGiesen received threatening emails and then disappeared. Tracking the source of the emails led police to the home of Daphne Wright, where they believe a murder was committed.
For twelve years, the murder of a young woman went unsolved, but with the passage of time came the development of technology. Could a used tissue found at the crime scene give police the evidence they need to bring a killer to justice?
In 2004, Mary Ann Clibbery was found brutally murdered in her Illinois business and investigators had to determine if this was a robbery gone wrong or a calculated murder.
A security guard disappeared from his post without a trace his remains were found a year later in a remote camp site.
The brutal murder of a state park employee over $2,000 rattles her co-workers and tourists while leaving police to sift through hundreds of leads.
When an off-duty policeman was shot dead, his fellow officers were determined to solve the crime. They needed clues to find the killer and they discovered them in tiny fibres and an asthma inhaler.