Forensic Files

In 2004, Mary Ann Clibbery was found brutally murdered in her Illinois business and investigators had to determine if this was a robbery gone wrong or a calculated murder.

In 2006, Texas real estate agent Sarah Anne Walker was found brutally murdered in a model home. Weeks later, a witness came forward who may have seen the killer. Police used forensic hypnosis to help him recall every detail of the man's appearance.

In 2003, St. Cloud, Minnesota teenager Jason MacLennan returned home after a night out with friends and discovered his father Ken's body lying in a pool of blood.

In 2006, Nevada politician Kathy Augustine died mysteriously during a hard-fought re-election campaign and the medical examiner could neither isolate the cause of death, nor explain the tiny puncture wounds discovered during the autopsy.

In 1996, Virginia Beach police arrive at the Makdessi apartment to find Elise Makdessi and her lover Quincy Brown dead.

In 1999, Patrick McRae was found dead in his Des Moines home and the crime scene was awash with blood. Analysis showed it had come from two people, one of whom was female.

In 2000, the body of exotic dancer Rachel Siani was found beneath a New Jersey bridge. Investigators wondered if she had committed suicide. They discovered that Rachel offered to assist a drunk customer named John "Jack" Denofa to his motel room.

In 2000, construction manager Darrell North was found dead in his work trailer in Ft. Worth, Texas. When investigators arrived, they found that he had been stabbed 46 times, indicating a personal relationship between the victim and the attacker.

In 2000, Judy Southern arrived home from work and was shot by a gunman waiting within. Her husband Allen arrived shortly afterwards, and called 911 to report his wife had been shot and drove her to the hospital.

In 1986, Gary Dale Larson was stabbed to death in his Edmond, Oklahoma, home and then the killer sexually assaulted Larson's girlfriend Janet Haynes.

In 1991, Dorothy Donovan was murdered in her Dover, Delaware home and police are skeptical when her son Charles Holden stated that she was murdered by a hitchhiker he had picked up.

In 2001, Ginger Hayes and her infant son Nicholas were abducted during a carjacking and the crime had been reported by a witness within minutes of occurrence.

In the early hours of a morning just before Christmas, a college co-ed was abducted from the parking lot of her apartment. Her body was found later that day; she'd been sexually assaulted and then shot at point blank range.

A young woman is found dead in her apartment. With little evidence at the scene, the case turns cold until police discover a link between their prime suspect and an unsolved murder committed six years earlier in a different state.

When a college student is reported missing, police believe their investigation will be like countless others. But when they discover blood spatter in her boyfriend's bedroom, they know this case is going to be different.

A serial rapist is on the loose in a Texas town. No one knew where he'd strike next, but the audacity of his attacks and the escalation of violence against his victims made finding him imperative.

The victim has been stabbed more than 30 times, and the crime scene is awash with her blood. Near her head, police discover a distinctive button with strands of thread still attached.

A young woman attends evening church services, then disappears. When her abandoned car is found, the tank is empty and a gas can she kept in her trunk for emergencies is missing.

When a nine-year-old girl goes missing, police and volunteers spend weeks searching for her. A psychic's vision leads to a field where her body is discovered, along with what investigators hope is enough evidence to help them to also find her killer.

Digital enhancement of security camera video shows that what appears to be a casual encounter is actually a forced abduction, leading to murder. When investigators suspect the crimes are not random, they fear a serial killer may be on the loose.

The woman had been sexually assaulted, stabbed repeatedly, and left for dead. When someone who fit that description practically turned himself in, police were sure they had their man until the DNA evidence proved them wrong.

The victim was a self-made man who never minced words. Perhaps he was murdered by a disgruntled client or employee. Perhaps the racy photos in his safe held the clue to solving the crime.

A family vacation turns into a nightmare when the wife is found face-down in the lake.

The woman in the back of the truck was flailing her arms, screaming. They thought she was doing something dangerous for the fun of it. But when they found a jacket near a pool of blood, they knew what they'd seen wasn't a joy ride.

When court clerk Peter Porco doesn't report to his work in November 2004, a courts officer is ordered to the Porcos' family home in Bethlehem, NY.