When a Tennessee man is shot down in front of his own home, police use home video to unravel the history of a vicious feud between rural neighbours and determine if the shooting was self-defence or cold-blooded murder.
When a gay rights activist is stabbed to death in his own apartment, police are tasked with tracking down his killer, and in the process, they uncover a dark world of paranoia and delusions lurking in the heart of London.
The year was 1984, and a serial killer was on the loose in Florida. Eight women had been found dead. At each crime scene, investigators found tiny red fibers, fibers they hoped would lead them to the killer.
While Earl Morris was vacationing in California, he learned his wife had gone missing from their home in Arizona. The search for Ruby Morris involved dozens of investigators and scientists, even the coast guard.
When a woman comes down with flu-like symptoms and eventually dies, a neurologist suspects she was poisoned with radioactive thallium. The FBI suspects her neighbour, who had a very extensive background in chemistry.
Law enforcement officials turn to forensic scientists when they experience difficulty in their attempts to figure out how a stalker was able to steal his victim's personal photographs and obtain the code to her home security system.
Fire rips through a Seattle woman's apartment and some unsettling evidence is found in the rubble. Shortly after, a second fire breaks out just 100 feet from the first, and evidence points to a serial killer whose skills are evolving.
A family interrupts a burglary in their upscale suburban home. The masked gunman kills two and wounds two more. Police suspect the crime is related to a string of thefts in the area, but a closer look at the crime scene reveals the real motive and killer.
'The Brian and Beverly Mauck Case - an attractive young couple is found dead in their Graham, Washington home and all signs point to a professional hit. But dogged investigators discover some valuable evidence that proves otherwise.
A Northern Kentucky businessman is shot to death at his home in front of his wife. Police launch a massive manhunt to find the culprit, but their efforts were futile. A baseball bat and forensic investigation break the case wide open.
A family vacation turns tragic when a family matriarch suffers a tragic fall to her death. The circumstances surround the fall lead the investigators to think foul play was involved. Findings from a pathologist confirm their doubts.