Experts reveal the gory secrets about cause of death that nature can leave behind on corpses, clues which range from insect infestations to weather conditions.
Experts in criminal profiling trace the technique's history and reveal how it was used in an attempt to identify notorious killers such as Jack the Ripper.
How even the tips of the ears and the soles of the feet may give a criminal away by leaving vital clues at the scene of the crime.
How advanced technology is used to investigate explosive residue, ballistics and trauma wounds, to reveal the weapons and the criminals who used them.
How attempts to conceal crime by destroying the evidence may reveal the criminal.
Forensic experts describe their use of hi-tech tools to solve crimes, from lie-detectors to computers which can allegedly isolate a guilty face in a crowd.
Investigators are called in when a six-year-old is found dead. Their scientific tests determine that she was raped before being suffocated
Detectives investigate when a woman is found lying naked in a pool of blood, and the evidence suggests a killer with a high level of intelligence
An international manhunt involving seven police forces and four countries ensues after five body parts are found on a highway
Detectives investigate when five university students are murdered during a three-night killing spree in Gainesville, Florida
Police in the California city of Fremont race to stop a bomber before he strikes again.
Investigators race against time to find a diabetic after he is kidnapped from his driveway - and must find him before he requires his insulin medication.
The discovery of an Asian woman's body in an abandoned suitcase leads Yorkshire police to London, where their investigation raises more questions.
The murder of a gay couple in rural California has police stymied – who would want to hurt the well-like pair? As investigators and forensic scientists dig deeper, they suspect the killings are linked to a series of arsons that have destroyed several synagogues and an abortion clinic. The trail leads them to the sinister world of hate crimes – and a chilling plan that must be stopped.
An investigation into the murder of a Russian prostitute in Los Angeles.
In central Florida, the bodies of four men are found in a wooden area known as The Hog Trails. Police realize they are chasing a serial killer, but the investigation is hampered by the fact that they are unable to identify any of the victims. Finally a fifth body yields a name, and soon puts authorities on the trail of nurse Daniel Conahan.
What begins as a search and rescue becomes a chilling case of murder. An attractive motel handyman uses forensic science to mislead and manipulate investigators in the murders of a mother, daughter and two young women in Yosemite National Park.
An elderly couple is found dead in the trunk of their car at their home in Toronto. The investigation eventually leads to the couple's vacation home an hour north of the city. Police soon learn of the "House Hermit" a mysterious intruder breaking into area cottages and camping in them. He becomes the prime suspect, but though police finally identify him they cannot find him anywhere.
For 23 days in October, 2002 a sniper terrorizes the Washington DC area, shooting thirteen people and killing then. Authorities struggle to find a clue until they discover a single fingerprint, which leads to not one, but two killers, including a seventeen year old boy.
Examining the explosion that rocked the 1996 Summer Olympic Games in Atlanta and subsequent bombs at an abortion clinic and gay bar.
A reign of terror that spans more than eighteen years. A serial rapist who stalks and preys on elderly women living in isolated Southern Ontario. With the victim count pushing ten, the attacker's thirst for violence suddenly escalates to murder. Who is this monster that continues to elude Colchester police? Only a revolution in forensic science can strike fear into the heart of this predator.
A self-appointed angel of death on a mission beyond the law. A sniper who targets abortion doctors and then disappears into the shadowy underground that supports and protects him. But when the sniper's mission moves to murder, a city is thrown into blind panic that spreads across the country and beyond.
A killer on the rampage hides within a group of Goth youths.
The world's top criminal investigators, forensic scientists and behavioral analysts go behind the scenes of some of their most challenging serial murder cases to reveal the cutting edge forensic science, technology, behavioral psychology and investigative techniques involved in tracking down a serial killer.
On the outskirts of Hamilton, Ontario, a jogger makes a gruesome discovery - the partially mummified remains of a human body.
Summer, 2001 and Southern Louisiana is held in the terrifying grip of a serial killer whose initial 'hot zone' is the Louisiana State University area of Baton Rouge. The number of victims is growing and all are attractive, successful young women -- women whose mainstream, "low risk" lifestyle should never put them on the radar of a killer. But this is the hardest kind of serial killer to catch.
Profiling arsonist John Leonard Orr.
Two undertakers are shot and killed while at work at a funeral home in a small Wisconsin town. The case goes cold after two years.
Police must use forensic science to solve the mystery of a prominent businessman whose burnt body is discovered in Las Vegas.
The FBI probes bombings and bank robberies attributed to a white-supremacist group in Spokane
Four bodies are discovered in a Bartow, Fla., factory, kicking off a probe that has investigators analyzing video evidence and a 3-year-old fingerprint.
A rapist is identified with the help of DNA analysis 16 years after the victim, a college student, was assaulted along a bike path in Buffalo.
The probe of a rich Texas playboy's murder has investigators examining X-rated photos, shocking videos and an object hidden in the victim's body.
The police probe the murders of two elderly women and uncover an appalling ritual.
A serial killer stalks Phoenix under cover of night with a virtually untraceable gun.
A serial shooter menaces East Point, Ga., and leaves messages behind signed "Jack."
Investigators use forensic dentistry and acoustic technology to track a man who killed one girl and clubbed another in Abbotsford, B.C.
A teenage girl is stabbed to death, and investigators link her to a shocking love triangle.