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.
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In San Diego, California, a killer has left behind pieces of evidence. Detectives must sort through these small clues to prove murder.
For the forensic entomologist, the insects that nest in dead bodies are like tiny witnesses to a crime.
Poison is the subtlest form of death, and investigators must see through unusual circumstances to bring these murders to light.
Lies and deceit can often throw investigators off the trail of justice. But when hard evidence contradicts a killer's story, police must use the clues to piece together the truth.
Most victims of multiple murderers are meticulously chosen because of a mutual connection with the killer or because they match an intricate set of criteria that fits the killer's MO.
The tiniest residue left at the scene can become a mark of distinction in the most singular and intimate of ways.
A good coroner provides what's necessary to solve a crime. A bad one can spoil an otherwise rock-solid case. Cyril Wecht and Henry Lee, two of the country's most respected coroners, share their cases and insights into crime solving.
Ballistics: A corpse is found with a gunshot wound to the head the weapon lies next to the victim. It looks like suicide, but could it be murder? It's a question best solved by ballistics experts.
Three hairs microscopic fibers a common trash bag ripped from a roll. Seemingly small and insignificant clues become a victim's silent witness.
Philadelphia's Vidocq Society, named after an 18th Century French detective, is one of the world's most unusual crime-solving organizations.
Tool marking: A tool used to commit a crime can often be the same tool used to solve it. The pattern a machine leaves on an item, the unusual way a tool crimps a wire, and even something as innocuous as the shape of a wood chip can lead to a killer.
Hiding a body can be difficult it's sometimes easier to obscure or disguise the circumstances of the death, turning murder into suicide, or pinning the blame on someone else. The truth is told through subtle clues taken from the crime scene.
Sometimes, the cause of death does not match the scene of the crime. When an untraceable poison is used to commit murder, homicide detectives turn to forensic toxicologists to follow a killer's tracks and expose a toxic death.
Drug trafficking has spawned a violent and deadly criminal underground. It's providing a challenge to forensic investigators devoted to cracking drug rings.
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.
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.
Missing Person: Approximately 1.8 million Americans are reported missing each year. Worldwide, the number of missing persons nearly triples.
Forensic psychologists delve into the minds of serial killers, explaining why, most often, they can be a friendly neighbor or the tenacious co-worker the one who hides his or her dark side better than anyone else.
Explosives Investigations: The crime lab is the place where science meets murder. In New York State, Eleanor Fowler opened a small package, which as mailed to her home. When she lifted the lid the box exploded killing her instantly.
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.
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