
Forensic Files
When a victim is brutally murdered in his own bed, investigators find a shoe impression in the mud outside: physical evidence they hope will lead to the killer.

When a victim is brutally murdered in his own bed, investigators find a shoe impression in the mud outside: physical evidence they hope will lead to the killer.

A beverage company pleads guilty to violating federal safety laws when a baby dies from E. coli.

A beverage company pleads guilty to violating federal safety laws when a baby dies from E. coli.

Police reopen a case involving a woman who appeared to die from an accidental fall.

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.

Police reopen a case involving a woman who appeared to die from an accidental fall.

Police exhume the corpse of Karla Brown to study wounds that may lead them to the killer.

When a man is gunned down in his own garage, police discover that a wound sustained by the grieving widow may have been self-inflicted. They turn to science to help unravel a twisted tale of lust, greed and deception.

Police exhume the corpse of Karla Brown to study wounds that may lead them to the killer.

Doctors discover a man's illness is from poison being inflicted by his wife.

A teenager went missing after an evening of horseback riding. Her body was found a month later, three miles from her home. The killer unknowingly left trace evidence behind, tiny but unmistakable clues which pointed to him and him alone.

Doctors discover a man's illness is from poison being inflicted by his wife.

Virginia police use hair from a rabbit-fur jacket to determine a 5-year-old girl's abductor.

When two women from the same town were murdered in the same way, police feared a serial killer was on the loose. At first, they thought the victims had nothing in common, until they found tiny clues linking them to the same man.

Virginia police use hair from a rabbit-fur jacket to determine a 5-year-old girl's abductor.

In an affluent suburb of Philadelphia, police were called to the scene of what appeared to be an accidental drowning. The investigation gradually focused on one person, a suspect who had more than a million reasons to want the victim dead.

Forensics contradicts a husband's confession to his wife's murder.

Forensics contradicts a husband's confession to his wife's murder.

A 1995 fire razes the mansion of a Kansas doctor, killing two of her three children.

A college student was found dead, and the evidence suggested he knew his killer. Three hairs and some microscopic cells helped police unravel a web of lies and find the motive for murder.