Investigators sift through the ashes of a fire which killed a 40-year-old woman. The fire appears to have been started by an unattended cigarette. On closer look, forensic scientists discover the cause was far more complicated.
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A mother claims that an intruder murdered her two sons, but lacking a motive, police use blood-spatter analysis and behavioral profiling to reconstruct a different scenario.
A woman convicted of killing her mother in a car fire is granted a new trial. An expert witness has a different opinion as to how the fire started and, if proven, would clear the woman of any culpability.
Investigators sift through the ashes of a fire which killed a 40-year-old woman. The fire appears to have been started by an unattended cigarette. On closer look, forensic scientists discover the cause was far more complicated.
Two men were murdered in their beds. The next night, arson destroyed a family planning clinic. Investigators find a link between the two separate crimes.
The body of an attractive young woman was found a mile from her abandoned car. Police were especially concerned when they realized the victim had come to them for protection just two weeks earlier.
While Earl Morris was vacationing in California, he learned his wife Ruby Morris had gone missing from their home in Arizona. The results of the investigation surprised everyone...especially Earl Morris.
In 1984, a passerby finds the torso of a woman in a cardboard box. A forensic entomologist analyzes nearby insect activity to determine when the victim was killed.
The victim has been stabbed more than thirty times, and the crime scene is awash with her blood. Near her head, police discover a distinctive button with strands of thread still attached.
In 2004, Mary Ann Clibbery was found brutally murdered in her Illinois business and investigators had to determine if this was a robbery gone wrong or a calculated murder.
British detectives worked with a pioneering scientist to solve crimes of sexual assault and serial murder. This 1986 case marked the first time DNA was used as evidence in a court of law.
When the decomposed body of a teenage girl is discovered, police have no clues to her identity. To solve the case, investigators turn to bug larvae found on the body.
Police are able to create a composite sketch of a man burnt beyond recognition. But tracking the killer is more challenging.
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.
Who was the sexual offender who murdered two boys in Nebraska? The key to stopping him would be the unique composition of the "junk rope" he used to tie his victims.
On a cold December night in 1993, Rose Larner stopped in a convenience store on her way to her boyfriend's house. She was never seen or heard from again. A tiny clue found years later revealed a tragic tale of drugs, romance and revenge.
A surgeon is stabbed to death, and the most likely suspect is seen in a restaurant at the time of the murder.
An assistant manager of a Florida steakhouse is stabbed to death. It appears to be a robbery gone wrong.
A woman was found dead on a golf course. The grass on the course was so distinctive, it had evidentiary value.
In 1993, Marie Robards suffered the loss of her father due to a heart attack - but it was more sinister.
In 2004, nursing student Tamika Huston went missing from her Spartanburg, South Carolina home. A tip led detectives to her car, where they found an unknown house key that could help solve the case.
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