Forensic Files

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 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.¾

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.¾

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, 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.¾

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 thirty 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.

This series profiles intriguing crimes where science catches the bad guy. Follow coroners, medical examiners, physicians, law enforcement officials, journalists and legal experts as they put together the pieces of the crime puzzle.

This episode documents a deadly bombing at a church in Oakwood, Illinois, in December 1997.

This series profiles intriguing crimes where science catches the bad guy. Follow coroners, medical examiners, physicians, law enforcement officials, journalists and legal experts as they put together the pieces of the crime puzzle.

This series profiles intriguing crimes where science catches the bad guy. Follow coroners, medical examiners, physicians, law enforcement officials, journalists and legal experts as they put together the pieces of the crime puzzle.

On Christmas eve 2005, the corpse of a black male is found burning near Baltimore. He's eventually identified as 26-year-old Wesley Person. Distinctive building materials from the 1930s found near the body play a crucial role in solving this case.

Doctors don't know why the young scientist is gravely ill. When tests finally reveal the cause, it's too late to save him. Police hope that lab analysis of his hair, showing when attempts were made on his life and what was used will lead to the killer.

A bullet-riddled car, a missing driver, and no witnesses. Was this an ambush or a random attack? Had the victim been abducted or was she dead? The answers lay in a unique clue, so tiny it was measured in millionths of a meter.

Even though their daughter had run away before, she'd always come back. Her parents were sure this time would be no different, but they were wrong.

In little more than a month, two women who lived in the same apartment complex were brutally murdered. The similarities of the crime scenes led police to conclude they were dealing with a serial killer who harbored an intense hatred of women.

When a college co-ed vanished without a trace, her fellow students were concerned about her safety and their own.

The victim was well liked and successful, which made the brutality of the crime even harder to understand.¾

An assistant manager of a Florida steakhouse is stabbed to death. It appears to be a robbery gone wrong, but a bloody fingerprint reveals that he knew his killer.

James Kenneth Elmen Jr. abducted Julie Estes, then 21, from the Southside convenience store where she worked in 1985. He raped and murdered her. Her body was found the next day, but the killing went unsolved until 2003.

Tracey Frame, 35, was convicted of killing David Nixon in April 2002 after he planned to end their relationship.

A surgeon is stabbed to death, and the most likely suspect is seen in a restaurant at the time of the murder.

A young couple is found murdered in their Graham, Washington home; detectives discover shoe impressions, a partial palm print and a neighbor's criminal past.

In 2007, Brian & Beverly Mauck were found dead in their Graham, Washington home. Using a bloody palm print and shoe prints at the scene, investigators focus their attention on Daniel Tavares, who had previously been inking a tattoo on Brian's back.

On May 12, 1994, Crystal Perry was viciously murdered in her home in Bridgton, Maine. Michael Hutchinson, 32, was found guilty of murder in the 1994 slaying at Perry's home.

Rachael Mullenix, 19, was convicted of stabbing her mother, Barbara Mullenix, on Sept. 13, 2006, and then packing her bloodied corpse in a cardboard box before dumping it in Newport Bay on the California coast.

On May 20, 2001, Carrie Nelson, then 20, was beaten to death while working alone in a park office. The case went unsolved for six years until May 2007 when police found a match with DNA samples gathered from the crime scene.

Foul play is suspected when Fort Worth factory worker Glenda Furch disappears in September 2007 after completing her shift.

Police get a clue about a couple who disappeared on Memorial Day weekend during an in-progress robbery. The evidence found solves a brutal crime.

The decade-old murder of a young Texas housewife is investigated.

In 1995, Palm Beach waitress Denise O'Neill is abducted and murdered. Her neighbor Luis Caballero arouses suspicions by his odd behavior toward TV crews covering the crime.

In 2007, Shamaia Smith disappeared from the strip club she worked at in East Hartford, CT. Police look at various customers of the strip club, but focus on local businessman Kenneth Otto.