Lives changed in the 20 years following an unsolved murder, and so did forensic science. In time, a high-powered microscope and DNA profiling revealed a clue no one had seen before.
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.
On Halloween night 2004, Adriane Insogna and Leslie Mazzara were brutally murdered in their Napa home.
In 1994, Shannon Melendi disappeared while at Emory University. Her disappearance remained a mystery for ten years, until new scientific testing cast a different light on Colvin "Butch" Hinton.
A woman was shot to death in her Connecticut driveway. Now police must determine if love had turned deadly.
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.
Police get a clue about a couple who disappeared on Memorial Day weekend during an in-progress robbery.
An investigation into the murder of a World War II veteran slowed to a halt when the prime suspect had a solid alibi. But a lucky break led to a shady character who wore distinctive boots.
Detectives search for the bombers of two churches in Illinois, hoping that the materials used in the remnants of the handmade bombs will offer the clues to catch the culprits.
A body is found stuffed into a suitcase forcing the police to search though the landfill for another missing victim.
When the number of bloodstains at a scene were abnormal, it was up to forensic scientists to find out why.
In the 1990s, the media dubbed Richard Rogers the "Last Call Killer" because he targeted men in gay bars.
In 2002, funeral director Lonnie Turner, Sr. was found shot to death. His son Lonnie Jr. became the prime suspect, particularly after it was discovered that the murder was committed with his gun. However, he had an alibi for the time of the murder.
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.
A driver said he couldn't have hit and killed a pedestrian because his Jeep had been sold months ago.
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.
Seattle police had no suspects in the violent murder of post-grunge singer, Mia Zapata. More than a decade passed before the evidence could be used by forensic scientists to identify the killer.
In 1996, Virginia Beach police arrive at the Makdessi apartment to find Elise Makdessi and her lover dead.
A woman was found dead on the bedroom floor of her apartment. The crime scene yielded little of value and investigators wondered if they would find enough evidence to make a case.
A woman was brutally murdered in her home and the only witnesses to the crime were the family dogs. An expert in canine behavior was convinced the killer knew both the victim and the animals.