Tuesday

A man riding a bicycle was fatally injured, and police believed he was the victim of a hit-and-run accident. Tiny clues found at the scene created a picture of the vehicle which struck him… and led police to its driver.

When an elderly couple died in a suspicious house fire, their son became the prime suspect. The son insisted he was innocent; he said he tried to extinguish the fire by pouring water on it, but that only made it worse. Investigators turned to forensic science to determine if the fire had been set deliberately, or if it was an unfortunate accident.

Police instituted an intense search when the mother of two young children went missing and, less than a day later, they found her body. The evidence was little better than circumstantial, and the crime drifted to the bottom of the cold case files. Twenty years later, advances in technology enabled investigators to see the evidence in a new light, and discover it pointed directly to the killer.

The tread of a tire, a single shoe print and even the shape of a bruise help investigators track down killers, based solely on their patterns of guilt.

Terrorist bombings are what happen in other countries. Not here in the United States. And yet, in 1993, it happened in New York City.

John Gotti was ambitious, powerful and ruthless. He ruled with flash and conspicuous style, playing celebrity with the media and cat and mouse with the FBI. They called John Gotti the Teflon Don. Serious charges just wouldn’t stick.

A caregiver reports a natural death—until toxicology reveals a lethal dose of Visine. Investigators discover a sinister plot of financial fraud, manipulation, and slow poisoning.

A six-year old girl, andrea atkinson, is found dead in the boiler room of her toronto tenement. Forensic investigators quickly determine she has been raped and smothered. There are no witnesses. Quick-thinking cops experiment with the sound in the boiler room by yelling with the door closed. Outside, total silence. Whoever killed andrea knew no one would hear him.

A love triangle turns lethal—ending in a masked execution that uncovers just how Shawna Nelson will go to eliminate her rival.

In a jealous rage, 57-year-old professor George Zinkhan murders his wife, her lover and shoots other members of their amateur theatre troupe

When Jaime Ivancic suddenly disappears, her family spend months searching for answers. Detectives eventually uncover a horrifying chain of events that leads to Shelby Nealy, exposing the murder of Jaime and the subsequent killings of her parents and brother in one of Florida’s most shocking family murder cases.

A family man goes missing in a small West Virginian town known for its sweet mountain air. While his household searches the man’s regular haunts, police get involved -- and when he’s discovered, so are the abominations committed to his corpse. It seems there’s a monster on the loose. As authorities uncover the terrible facts, a community must stand together to protect their own.

A woman’s lifeless body is dumped on a lonely mountain pass. Leads are scarce, until a seemingly unrelated murder brings Kenda within arm’s reach of her killer. But an unexpected roadblock will force him to make a painful decision.

A young Vancouver woman is tied to a tree and sexually assaulted for 9 straight days just yards away from the busiest highway in Canada. A wealthy Ontario realtor and his wife are found murdered in the trunk of their car. Behind it all, a reclusive loner named David Snow. SnowÕs passion for antiques is so intense that it sends him down a violent path from which there is no turning back

The murder of a wealthy widow sends shock waves through a small town. The victim's own records are the key to finding the killer.