Autopsies reveal that a string of unexplained deaths in Omaha resulted from poison-induced liver disintegration.
A series of murders near Sacramento, Calif., where prostitutes were gagged and molested, their clothes cut in random patterns and their hair cut off.
After a skull is uncovered in the forest, police re-create the victim's face and identify the body.
How the British government and scientists around the world linked human deaths to British cattle suffering from mad cow disease.
Investigators used obscure evidence to find the person responsible for killing justice officials with mail bombs.
Police find similar circumstances when a couple whose daughter disappeared report their second daughter missing.
Forensic scientists provide authorities with evidence that a death deemed accidental 20 years ago was actually murder.
Detectives learn that a genetic disorder caused the deaths of a woman's children, resulting in an overturned conviction.
A single wig fiber leads investigators to a murder conviction.
The use of DNA testing helps exonerate a person accused of rape.
A speck of bicycle paint and a speck of nickel tie a suspect to the murder of a 9-year-old.
A mother with Munchausen syndrome by proxy kills one child and physically abuses another.
Two years after a girl was murdered, a tiny drop of blood and burned bones lead police to her murderers.