Friday

In this episode, rival bus drivers stage an impromptu demolition derby in the streets. A murder victim’s enraged family unleashes justice of their own on the accused.  Two unarmed police officers come under a brutal attack by soccer hooligans.  Plus, political protectors turn violent, storming the streets and unleashing their wrath on riot police. Tv-14-lv

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.

Serial killers are often twisted geniuses; so cunning that catching them seems almost impossible. But from jack the ripper to those who terrify us today, their bizarre behaviour is as specific as a signature. Sophisticated crime fighters map the psychological and physical terrain of multiple murderers.

From the tips of their ears to the soles of their feet - criminals are betrayed by the clues their own bodies leave behind. A killer’s ear against a wall, his hand on a door, the path that he walks – even the slightest impressions left at the scene help crime fighters find their man.

A high school gym teacher took time off from class to give his friend a ride home -- and never returned. After his disappearance, his wife and friend received letters, explaining that he needed to make a clean break and start a new life. Investigators suspected foul play but, without a body, the case would be difficult to prove… difficult, but with the help of forensic science, not impossible.

A sixteen-year-old girl was killed by her mother and father, in her own home. Her parents said they acted in self-defense, but the forensic evidence indicated otherwise. Definitive proof would come from an unlikely source: a recording made by an FBI electronic surveillance device

The investigation of a discarded sleeping bag, containing bloody sneakers and a purse, leads police to the body of a young woman. Evidence from the autopsy and the crime scene was carefully collected and analyzed, but it would be a mark found on the victim’s body which would enable police to track the killer.

On the last day of deer hunting season, a woman is killed while walking her dogs in the woods. The victim has no enemies and her husband has an alibi, so police assume it was a hunting accident... until a strange letter turns up, allegedly written by the woman before her death. Police begin to wonder if the woman may have been the target all along, and their question is answered by a forensic document examiner, a slingshot, and an unusual physics experiment.

An Alaskan police officer found a woman’s body while on routine patrol of a public park. The victim had been stabbed to death and, during the autopsy, the medical examiner preserved the portion of her rib cage which sustained the fatal wound. A knife thought to be the murder weapon turned up days later, two thousand miles away. Forensic scientists now had an opportunity which seldom occurs: to compare the microscopic marks on the presumed murder weapon with the marks on the victim’s bone.

A woman disappears without a trace; even though foul play is suspected, the leads don’t pan out and the trail turns cold. Twenty years would pass before police are able to link a clump of hair discovered in an isolated area with the missing woman. Members of “NecroSearch,” a group of volunteer forensic scientists, searched a remote area of Colorado a meter at a time, found the victim’s body, and gave authorities the evidence they needed to bring the killer to justice.

There’s never a good reason for murder, but some killers are particularly brutal—choosing their prey at random or with no apparent motive and then cunningly covering their tracks. Even so, telltale clues remain. It’s up to forensic investigators to follow the trail of scattered clues to capture these deadly killers.

When a woman returns two days after being reported abducted, authorities believe it's a hoax until a similar crime forces them to take another look.

The case of Johnny Hincapie, whose conviction for the 1990 murder of a Utah tourist in New York -- a case that represented a tipping point in the city's law enforcement -- was overturned after 25 years.

Police initially suspect natural causes as they investigate a man's death.

A man is gunned down on a Louisville sidewalk during Derby week. A few weeks later the bodies of two teenage boys are found burned and abandoned in a vacant lot. Detectives investigate a strange connection between the murders.

Police receive a frantic 911 call about a woman who witnessed a murder. But during her interrogation, detectives begin to wonder - was she the victim or was she the killer?

Border patrol agents discovered the bodies of a young mother and her toddler son along the Rio Grande.  Detectives closed in on a surprising suspect.

During a routine custody exchange, Heather Strube was caught in a deadly confrontation. Eyewitnesses point to a figure whose motive goes far deeper than anyone expected.

When a teenaged girl goes missing, no one knows if she ran away or if she was the victim of foul play. Everyone’s worst fears are confirmed when a body is found at the bottom of an isolated ravine. Police scour the crime scene, hoping to find enough evidence to identify the killer.

The bodies of three women were found floating in Tampa Bay. The water washed away any evidence, but police hoped a handwritten note found in the victims’ car would lead to the killer – so they posted huge copies of the note on five highway billboards.

Four young adults are brutally murdered in an affluent Texas neighborhood, and the crime scene yields little evidence. The next door neighbors see two young people dressed in black walking nearby, and their descriptions are used to create composite drawings which become a key element in solving the crime.

A young college student is found dead in her apartment. There are no obvious signs of foul play, but skin cells under her fingernails yield DNA of an unknown male suspect, and petechial hemorrhages in her eyes prove this is a homicide.

Mary Lynn falls for a divorcee, but she notices that his son is not quite right; she also discovers that his son does not just like her, he wants to be her.

A 29-year-old woman goes missing.