In criminal investigations, a simple clue can provide the missing link by placing a suspect at a crime scene. Dirt left on shoes, tires or clothes, or even a tiny piece of plastic can pinpoint a crime scene.
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Three hairs microscopic fibers a common trash bag ripped from a roll. Seemingly small and insignificant clues become a victim's silent witness.
When a theft is committed, something valuable is stolen. But when a criminal needs a new identity, theft becomes a matter of life and death.
Ballistic analysis is the key to finding killers who turn guns on their victims. Each shot fired leaves its own fingerprint, allowing scientists to target murderers with deadly aim.
For homicide investigators, it's a race against time as they track their deadliest foe: a serial killer for whom killing is the only way to feel alive.
A dog can be a dead man's best friend. Dogs have been trained to sniff out corpses, drugs, explosives, and missing persons. They're often the first to find the essential clue that sets an investigation in motion.
Drowning deaths often look like accidents and water can destroy the scant clues the killer may have left behind. Investigators must turn to forensic science to solve cases where the victim is found dead in the water.
Accidental deaths, suicides, disappearances, and fires they're an everyday part of an insurance investigator's life. But cases shouldn't be taken at face value. Forensics has become a tool for exposing insurance fraud.
Every family has its secrets, and sometimes blood relations lead to bloodshed. When money is the motive, murder can rip at the very foundation of marriage and family.
Bombers, snipers, spree killers: some people don't care who they kill, they just want to hurt innocent people.
Approximately 1.8 million Americans are reported missing each year. Some are runaways who find their way home, but others simply disappear. When foul play is suspected, investigators turn to forensics to find the missing.
In criminal investigations, a simple clue can provide the missing link by placing a suspect at a crime scene. Dirt left on shoes, tires or clothes, or even a tiny piece of plastic can pinpoint a crime scene.
When a murder is committed and deceit clouds the evidence, investigators turn to science and technology to uncover the truth and expose a murderous lie and capture the killer.
Arson fires are set for their own sake, or to cover a different crime, such as murder. Think fire consumes all vital clues? Think again. Arson investigators can glean important clues from scorched rubble and ignite the unquenchable flames of justice.
When there's a difficult case to crack whether it involves drugs, arson, or weapons the investigators and scientists of the Bureau of Alcohol, Tobacco and Firearms have the means to crack it.
What does it take to prove murder if the victim cannot be found? Investigators must go to extreme lengths to catch the killer when the victim is presumed dead.
Poison is the subtlest form of death, and investigators must see through unusual circumstances to bring these murders to light.
The Great Outdoors may offer great clues to solving brutal murders. But it takes the keen eye of the forensic entomologist and botanist to decipher the clues nature provides.
There's never a good reason for murder, but some killers are particularly brutalchoosing their prey at random or with no apparent motive and then cunningly covering their tracks. Even so, telltale clues remain.
They say that a burden shared is a burden halved, but when partners team up to commit murder, the weight of their guilt remains just as heavy. Investigators must rely on forensic science to capture partners in crime.
The solution to the most heinous crimes often hinge on the smallest of clues. Investigators must have their eyes trained to find the full story of a murder written in a single scrap of evidence.
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