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.
A bomb, constructed to cause as much damage as possible, kills a victim with deadly force and flame. When a search yields some tiny clues, police are able to identify the killer.
A man's wife took her own life and his college sweetheart killed herself the same way. Was it coincidence?
In 1969, phone operator Diane Maxwell is murdered. Her brother promised he'd find out who was responsible.
In 1969, phone operator Diane Maxwell is murdered. Her brother promised he'd find out who was responsible.
When court clerk Peter Porco doesn't report to his work in November 2004, a courts officer is ordered to the Porcos' family home in Bethlehem, NY.
It's usually easy to determine how a criminal entered the crime scene. But in this case, it was far from clear. It looked like the killer vanished into thin air...and perhaps he had.
In 2008, college co-ed Jenna Verhaalen was found dead in her Bryan, Texas apartment. Petechial hemorrhages in her eyes indicated that she was strangled.
A Michigan State University grad student disappeared and was presumed dead. With the help of a professor of geological sciences, police hoped to get the "dirt" on her killer.
When a little girl got sick and died, investigators were stumped. Was it an accident, an unexplained illness or murder?
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.
It was one of the most unusual cases in forensic history. Investigators had to find a way to solve a murder case with evidence which consisted of a squashed tomato found at the crime scene.
Volunteers and police spend weeks searching for a missing girl. A psychic later leads them to a field where the body was found.
Christina Sanoubane was murdered in her Cedar Rapids apartment after moving away from her abusive boyfriend.
A lifelong resident of the tiny town of Lefroy, Tasmania was murdered outside his own home. Robbery appeared to be the motive, but with no suspects, the investigation came to a halt.
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.
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.
In 1991, Dorothy Donovan was murdered in her Dover, Delaware home and police are skeptical when her son Charles Holden stated that she was murdered by a hitchhiker he had picked up.
In one of the most brazen crimes of the 20th century, the chairman of the Coors Brewing Company was kidnapped.
In 1986, Gary Dale Larson was stabbed to death in his Edmond, Oklahoma home and then the killer sexually assaulted Larson's girlfriend Janet Haynes.