Lives changed in the 20 years following an unsolved murder, and so did forensic science. In time, a high-powered microscope and DNA profiling revealed a clue no one had seen before.
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When a college co-ed vanished without a trace, her fellow students were concerned about her safety and their own.
One warm summer afternoon, the town of Verona, Wisconsin faced its first triple homicide. To solve the case, investigators had to delve into the world of high rollers and offshore betting.
Volunteers and police spend weeks searching for a missing girl. A psychic later leads them to a field where the body was found.
In 2008, the body of Colorado real estate developer Alan Helmick was found by his wife, Miriam, who then became the prime suspect.
An 82-year-old woman was found dead. Clues on the victim's body would tell police what happened that night.
In little more than a month, two women who lived in the same apartment complex were brutally murdered.
A serial rapist is on the loose in a Texas town. No one knew where he'd strike next, but the audacity of his attacks and the escalation of violence against his victims made finding him imperative.
A surgeon is stabbed to death, and the most likely suspect is seen in a restaurant at the time of the murder.
In one of the most brazen crimes of the 20th century, the chairman of the Coors Brewing Company was kidnapped.
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.
When a little girl got sick and died, investigators were stumped. Was it an accident, an unexplained illness or murder?
A body is found stuffed into a suitcase forcing the police to search though the landfill for another missing victim.
Lives changed in the 20 years following an unsolved murder, and so did forensic science. In time, a high-powered microscope and DNA profiling revealed a clue no one had seen before.
In 1969, phone operator Diane Maxwell is murdered. Her brother promised he'd find out who was responsible.
A skeleton was discovered in the North Carolina marshlands. Investigators learned she'd been dead for months.
A girl claimed she had been abducted. She recounted what happened but things didn't add up to police.
A killer made great effort to obscure the shoe impressions left when he tracked blood on the floor, but he ended up creating new incriminating evidence...
When a college student is reported missing, police believe their investigation will be like countless others.
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.
A college senior was found raped and murdered near an unpaved footpath used by students to walk from one side of campus to the other.
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