A brilliant young architect became ill and died just before she was to testify in a criminal trial. The autopsy revealed she'd been poisoned with arsenic. Investigators had to determine which person who knew her had a motive for murder.
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Phone mapping, wiretapping and other forensic evidence help to solve a complicated crime.
A 3-year-old boy in Dripping Springs, Texas, develops a respiratory condition.
Using an anonymous letter and geographical profiling, investigators close in on a serial rapist.
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?
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.
When the mail-order bride of a former army sergeant goes missing, investigators look into the deaths of the man's previous two wives.
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.
Doctors cannot pinpoint the source of a businessman's illness.
When the mail-order bride of a former army sergeant goes missing, investigators look into the deaths of the man's previous two wives.
A child's father was suspected when she was killed, but years later, police learned a convicted murderer lived nearby. Tiny drops of blood helped police solve the crime.
The story of the 1984 Rajneeshee bioterror attack. Investigators uncover a plot to overthrow the government after a unique strain of Salmonella makes people ill.
Doctors cannot pinpoint the source of a businessman's illness.
The founder of American Atheists disappeared in 1995 along with one of her sons, a granddaughter, and $500,000 in gold coins. The police homed in on several suspects, including David R. Waters, who worked for American Atheists.
An examination of the first time animal DNA was used to solve a criminal case. When the body of Douglas Beamish's estranged wife, Shirley Duguay, was discovered, authorities linked 20 cat hairs found on her jacket to a cat owned by Beamish's parents.
A woman was shot to death. But was it a homicide or a suicide? It would take the expertise of forensic experts and two jury trials to determine the fate of the accused killer.
The 1987 disappearance of Houston resident Tracy Jo Shine is recalled. The investigation went cold until 2000, when a "cold case squad" learned that the woman's ex-boyfriend, Michael Neal, had bragged about killing her.
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