Three seemingly unrelated deaths proved to be serial murders. The killer had been careful. He used poison that had no taste or odor. Fortunately for investigators, it also had a unique chemical signature.
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In 1981, an 86-year-old California woman was murdered, and her house was ransacked. The crime would remain unsolved for sixteen years, until DNA profiling and new fingerprint technology helped identify the killer.
Janet Overton died suspiciously in 1988, and the investigation hit a dead end when the autopsy indicated no foul play was involved. A telephone tip and the sensitive nose of a forensic examiner indicated otherwise.
A phone number helps police to find an abductor.
A woman wins her release after being imprisoned for allegedly killing her mother in a car fire.
A man's body is discovered a few miles from his home.
Phone mapping, wiretapping and other forensic evidence help to solve a complicated crime.
A look back at a trio of unsolved murders that occurred in Wichita Falls, Texas, during the 1980s details how a fourth murder from the same time period provided the police with more than they realized.
The story of firefighter Michelle Baker is related. After meeting Dr. Maynard Muntzing, she became pregnant with him. After this news, she was ill whenever they were together. The coincidences led her to suspect that he was doing her harm.
Computers aid the police and FBI in solving a string of crimes.
Sheila Bryan, who was convicted of killing her mother in a car fire, is granted a new trial. A fire expert witness's opinion on how the fire ignited differs from the prosecution's theory. If verified, it would clear Bryan of any culpability.
In 2002, the eyes of the world were on Virginia and Maryland. A serial sniper was on the loose, killing innocent, unsuspecting citizens. Just how was he caught?
The wife of a murdered horse rancher explains that the last time she saw her husband was when he was leaving the house to go jogging. Police become suspicious when forensic evidence eventually leads investigators back to the ranch.
A murder investigation in Florida crosses jurisdictions from New York and Jamaica. The police rely on cell phone mapping, wiretapping, and a host of forensic evidence to link a suspect to a murder.
A serial arsonist starts several fires that cause millions of dollars worth of damage and the deaths of three people. He is discovered partly through the use of forensic hypnosis.
The police investigate when a severed leg is discovered in the garbage. Conventional means of identifying the victim are impossible, leading investigators to rely on DNA, forensic anthropology, and toxicology to identify the victim.
In Pennsylvania, a passerby finds the torso of a woman in a cardboard box. Investigators rely on insect activity analysis by a forensic entomologist to determine when the murder victim was killed.
1995-1997-A series of unsolved kidnappings and sexual assaults occur in California. A victim says that she left something behind in the assailants vehicle which may send investigators in the right direction.
A murder investigation is stymied by the lack of a body, but police find a few charred remains, including a tooth whose filling contains properties that help investigators identify the corpse.
Two eyewitnesses may hold the key to the death of a motorcycle gang member.
When the mail-order bride of a former army sergeant goes missing, investigators look into the deaths of the man's previous two wives.
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