Police discover that a teenage girl, found brutally stabbed to death in her car, was involved in a shocking love triangle.

Residents of East Point, Georgia are terrorized by a series of seemingly random shootings.

Phoenix police are faced with a unique serial killer team who get their thrills stalking and shooting innocent people at night.

To solve the murder of a Texas playboy, police dig deep into the heart of Millionaire's Row.

The world's top criminal investigators, forensic scientists and behavioural analysts investigate three cases of serial killers.

A 22-year-old college student is found raped and strangled with a garrotte on a Buffalo bike path.

Four people are found slaughtered in a factory in Bartow, Florida but the prime suspect has a perfect alibi.

A phantom sect of white supremacists claims responsibility for a series of bombings and bank robberies in Spokane.

In 2001, the Louisiana State University area of Baton Rouge was held hostage by a serial killer.

Investigators probe the murders of prostitutes in Spokane, where the killer has left the victims with smiling mementos.

A sniper who targets abortion doctors turns murderous, throwing a city into panic.

A sniper who targets abortion doctors turns murderous, throwing a city into panic.

Las Vegas shows its darker side when the burnt body of a prominent business man is uncovered.

On Valentine's Day, 2001, socialite Susan Hamilton lay nude, smashed in a pool of blood, in her Oklahoma City mansion.

In March 1988, motorists discovered human body parts dumped on a highway 200 kilometres east of Toronto.

In February 1996, millionaire Frank Black flew to Florida for a business deal with a mysterious sexy woman and was never seen again.

The largest police investigation of the decade was mounted to catch a ruthless sniper who terrorized residents of the Washington, D.C. area.

Investigators called to a farmer's field find an unidentified burned corpse and use state-of-the-art forensics to find the murder scene.

In September 1996 in Decatur, Illinois, Karyn Slover, a pretty local girl with dreams of becoming a model, went missing.

Three women go missing while vacationing in Yosemite National Park.

In April 1992, an elderly couple is found dead in the trunk of their car at their home in upscale Toronto.

In fall 1991, a missing six-year-old girl is found raped and murdered in the boiler room of her apartment building.

In 1990, Gainesville, Florida was gripped with terror as co-eds were murdered in gory killings.

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.