Police are able to create a composite sketch of a man burnt beyond recognition. But tracking the killer is more challenging.
A woman was brutally murdered in her home and the only witnesses to the crime were the family dogs. An expert in canine behavior was convinced the killer knew both the victim and the animals.
An assistant manager of a Florida steakhouse is stabbed to death. It appears to be a robbery gone wrong.
In 1997, Kelly Eckart's car was found, with her belongings still in it, after she worked a late shift in Franklin, Indiana. Days later, her body was found in an isolated ravine.
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?
Volunteers and police spend weeks searching for a missing girl. A psychic later leads them to a field where the body was found.
When a little girl got sick and died, investigators were stumped. Was it an accident, an unexplained illness or murder?
Paul Gruber's daughter suspected something was wrong when she received birthday cards addressed from her father, but written in a stranger's handwriting.
How did the stalker obtain the security system code for his victim's home? How did he steal her personal photographs? Police needed answers and they found them in the most unlikely of places.
In 1996, Virginia Beach police arrive at the Makdessi apartment to find Elise Makdessi and her lover dead.
When a dedicated, well-respected teacher disappeared, police had to determine if she'd gone on vacation without telling anyone, or if she was the victim of foul play.
In 2001, Ginger Hayes and her infant son Nicholas were abducted during a carjacking and the crime had been reported by a witness within minutes of occurrence.
In the early hours of Christmas Eve, a college co-ed was abducted from the parking lot of her apartment.
A man's wife took her own life and his college sweetheart killed herself the same way. Was it coincidence?
Kathy Lorick was murdered on a Concord, California jogging trail while talking to her husband on her phone.
On May 12, 1994, Crystal Perry was viciously murdered in her home in Bridgton, Maine. Michael Hutchinson, 32, was found guilty of murder in the 1994 slaying at Perry's home.
Christina Sanoubane was murdered in her Cedar Rapids apartment after moving away from her abusive boyfriend.
In 1991, Grand Junction, Colorado is on edge after a series of deadly bombings kill two people and injure one more. Police race to find the culprit before he strikes again.
When a hit-and-run accident claimed the life of a high school athlete, everyone in town mourned his passing. Finding the killer was a long shot at best.
A woman who was known to have suffered from depression took her own life. But her sister told police that she said if anything were to happen to her there would be a note in the china cabinet.