Young men shipped off to war would never return. Forensic experts work to tell their stories.

This episode begins by showing how forensic scientists work backwards from a confession to concrete...

Scientists explore the differences between targeted and random poisoners, and the significance of di...

Journey into the dark recesses and calculated madness present only in our worst nightmares; and in t...

Forensic photographers are amongst the first people at a crime scene, capturing vital clues on film....

With DNA analysis just a few microscopic cells found at a crime scene can be used to convict a kille...

Forensic Entomology: Bug have been around for millions of years. Their habits surrounding death can...

Forensic Sculpting: These experts can take nothing more than their knowledge, clay, and a skull and...

Missing Person: In America nearly 1.8 million people are reported missing each year, factor in the w...

Identifying Burned Remains: Murder is hard to prove with no body, when the victim has been burned it...

Explosives Investigations: A woman opens a box which explodes killing her. Soon to follow are five o...

Fingerprinting: The backbone to forensic science, the fingerprint is a very effective way to identif...

Handwriting Analysis: Every pass of the pencil leaves a little of ourselves behind. Taking the time...

Black Boxes: A plane plunges toward the ground and upon impact little remains. The only possible sur...

Forensics in the O.J. Simpson Murder Trial: The verdict is in Not Guilty of murder. O.J. Simpson eme...

Ballistics: A body with a gunshot wound to the head, the gun is next to the body. Was it suicide or...

Forensic psychologists delve into the minds of serial killers, explaining why, most often, they can...

It is difficult to convict a murderer if the body can’t be found, but forensic science is finding wa...

Observing how the smallest bits of forensic evidence, such as carpet fiber or an eyelash, can seal a...

Plants help provide oxygen and nutrients for existence. In criminal investigations, a simple seedpod...

While drugs can cure disease and ease pain, they can also be agents of murder. Toxicologists can exa...

A tool used to commit a crime can often be the same tool used to solve it. The pattern a machine lea...

Advancement in science and technology are encouraging people to revisit the past in hopes of answeri...

Investigators are always on the cutting edge of new forensic techniques that can help them solve cas...

Insurance torchings, mob burnouts and arson murders: these crimes are designed to take all clues wit...

Because of new technologies, terrorism is a growing international threat. With the expertise of bomb...

In the mind of an obsessive killer, raw desire replaces all reason and murder becomes an opportune m...

The smallest of clues can solve even the biggest cases. Often the scales of justice are balanced by...

As technology becomes a bigger part of our lives, it’s becoming difficult to do anything without lea...

Often, murderers will change or stage a crime scene, turning murder into suicide, pinning blame, or...

No crime scene is absent of clues. No matter how chaotic or how clean it may appear to be, the culpr...

Men aren’t the only ones who kill. Though female killers usually choose less violent methods than th...

Contract killings allow someone to establish the perfect alibi. By hiring someone else to do his or...

Some people do get away with murder, at least for a while. Flush with their success, they murder aga...

Poisoners are the most dangerous culprits in the crime world: smart assassins. They rely on their de...

Some cases can’t be solved immediately. The passage of time can convince people to talk and new tech...

The Texas Rangers were established in the 1800s to protect settlers from Native Americans. That role...

Forensics is not only used to solve murders. Drug trafficking has created a deadly criminal underwor...

Some of the best clues come from the least likely places. Seemingly meaningless objects – beer bottl...

Some crime writers know just as much about crime as a police officer, investigator or any criminal....

A good coroner can deliver what is necessary to solve a crime, while a bad one can destroy an otherw...

Solutions to atrocious crimes can hinge on the smallest of clues. Even with advanced technology, vis...

There’s an old saying that a burden shared is a burden halved. But when people team up to commit mur...

There’s never a good reason for murder but some killers are especially cruel – choosing their victim...

The great outdoors may offer clues to solving heinous crimes. Seed germination and the presence of c...

Poison is the subtlest murder weapon and poisoners are sometimes the most brutal killers, harming th...

What does it take to prove murder if the victim cannot be found? Forensic investigators must go to g...

When lovers turn on each other or marriages fail, some coldblooded spouses find a gruesome way to ga...

There’s no statute of limitations on murder, so as a case turns cold and clues become scarce, invest...

Every family has its secrets and sometimes blood relations lead to bloodshed. When murder becomes a...

Some people murder for love, others murder out of hatred. But sometimes people kill for the money. W...

For some killers, once is never enough. Often, cold and calculated serial killings are more difficul...

When there’s a difficult case to crack, agents of the Bureau of Alcohol, Tobacco and Firearms can be...

Sometimes arson fires are set to cover a different, more heinous crime – such as murder. But killers...

Often, the witnesses of a crime are also the main suspects. They’re able to manipulate the truth to...

A simple clue can provide the missing link by placing a suspect at the scene of the crime. Dirt left...

Approximately 1.8 million Americans are reported missing each year. Some are runaways who eventually...

Some people don’t care who they kill; they just want to hurt innocents. Bombers, snipers and spree k...

Sometimes blood relations lead to bloodshed. When money is the motive, murder can rip at the very fo...

Even the most puzzling cases can be solved with the tiniest of residue left behind at the crime scen...

Poison is an almost invisible form of death and is often interpreted as a heart attack or underlying...

Some people do get away with murder, at least for a while. Thrilled by their success, they tend to k...

At the scene of a murder, sometimes the only clues to the killer come from the victim. Forensic anth...

Time of death is an important consideration in an investigation but when a killer destroys the body,...

Accidental deaths, suicides, disappearances and fires: they’re an everyday part of an insurance inve...

Drowning deaths often look like accidents and over time water can destroy the few clues the killer m...

A dog can be a dead man’s best friend. Some dogs have been trained by law enforcement to sniff out c...

For homicide investigators, it’s a race against time when they track their deadliest foe: a serial k...

When a killer turns a gun on a victim, ballistic analysis is key to cracking the case. Each shot fir...

When theft is committed, something valuable is stolen. But when a criminal needs a new identity, the...

Sometimes, seemingly small and insignificant clues – three hairs, microscopic fibers, a paint chip –...

When abduction turns to murder, forensic science is a vital key to finding justice for the victims o...

The tread of a tire, a single shoe print or even the shape of a bruise can help investigators track...

Investigators rely on forensic odontology – the examination of dental evidence – to identify a body...

The law enforcement agency of the United States Navy and Marine Corps uses forensic science to solve...

Years after a murder has been committed, investigators use modern technology and advanced DNA analys...

Forensic scientists find clues written in blood as they investigate the murders of three women who w...

The elements of nature can reduce a body to bones in a matter of weeks. Combining art and science, f...

Sometimes, the wrong people are punished for crimes they did not commit. Forensic scientists use DNA...

A teenager is abducted on a shopping trip. Two hikers go missing on the Appalachian Trail. A grandmo...

A millionaire is murdered for a stash of buried treasure. A young woman dates violent men, only to b...

For the forensic entomologist, insects that nest in corpses are like witnesses to the crime. By stud...

Photography has long been a fundamental tool in homicide investigations. A single image can hold eno...

When teenagers are driven to kill, their victims are not the only ones to suffer from their violent...

Philadelphia’s Vidocq Society, named after an 18th century French detective, is one of the world’s m...

For some killers, murder can be a lucrative business. When a victim has been targeted for death, inv...

Sometimes the cause of death does coincide with the scene of the crime. When an untraceable poison i...

Lies, deception and contradicting witnesses can often throw investigators off the trail of justice....

Sometimes when a death seems to be accidental, forensics can reveal the deception just below the sur...

A murdered woman is found stuffed in the boot of her car, and a routine investigation reveals a wife...

Most victims are meticulously chosen by their murderer because of a connection or because they match...

Killers often will try to cover up their crime by hiding the remains of their victims. Sometimes bod...

When a victim is killed at point-blank range, police often suspect that a friend or acquaintance is...

In most murder cases, police rely on motive to pursue a killer. But when the murderer is a stranger,...

When killers are driven by jealousy, rage and desire, their desperation is evident in both the crime...

When murderers hide or destroy the remains of their victims, forensic scientists must reconstruct th...

Often killers are careful to not leave any fingerprints behind. But the methods of the murder itself...

Anytime, anywhere, people disappear – and sometimes these disappearances end in tragic murder. Kidna...

Some killers choose to hide their victims and investigators must then rely on forensics to uncover p...

At a crime scene, anything left behind or moved out of place is considered a clue. But a fire can ex...

Solving crimes may begin with intuition but advanced science provides investigators with irrefutable...

When victims of murder knew their killers, they can be caught off guard. The killers rely on their i...

Coroners play a vital role in piecing together the final moments of someone’s life. Los Angeles Coun...

Sometimes those closest to a victim can be the most dangerous. Beneath a layer of trust can lurk a d...

Often, a killer will build the victim’s trust before he or she attacks. In this episode, New Mexico...

Marriage is one of the tightest bonds two people can have, until lies and deceit drive one of them t...

Sometimes the faintest fingerprint or tire track is all investigators need to solve even the most br...

A house fire in California turns into a murder investigation when authorities discover that the vict...

A killer will often try to disguise the victim’s body in an attempt to the hide the actual cause of...

When money is the motive, there is no limit to what a killer will do to get away with their fortune....

Sometimes, cooperation from people who are not associated with a crime in any way is the only link b...

Even ordinary objects, when used to kill, carry enough evidence for forensic scientists to piece tog...

The most sacred of vows are sometimes not enough to stop a serious desire. In this episode, a nurse...

Often, criminals misuse the trust they’ve built with their victims to commit heinous misdeeds. A fam...

When the amount of money is substantial, a person can be motivated to do terrible things to someone...

Murdering a child is perhaps the most heinous of crimes. But no matter how defenseless a killer beli...

Forensic science has advanced so much that even the oldest remains still share the clues necessary t...

Blood can be the most telling evidence of a murder and often it is the only thing investigators have...

Whether it is a fingerprint or a single bullet, sometimes it is the smallest piece of evidence that...

When an unexpected crime occurs with no eyewitnesses, very few clues and the killers on the run, aut...

Murderers will go to great lengths to keep their crimes concealed, but forensic evidence is impossib...