Archivos Forenses

If a fingerprint can link a killer to a crime, what can a shoe print do? Armed with little to no evidnece, police hope the shoe impressions found at a Lansing, Michigan crime scene will put their investigation of Audrey Nichols' murder back on track. Originally aired as Season 10, Episode 35.

When two women from the same town were killed in the same way, police feared a serial killer was on the loose. At first they thought the victims had nothing in common until they found very small clues linking them to one man. Originally aired as Season 10, Episode 28.

When a young woman disappeared, police feared she was the latest victim in a series of similar crimes. But the MO wasn't quite right. A pair of bloody gloves, strange tire tracks and ordinary grass and pine needles provided investigators with some astonishing clues. Originally aired as Season 10, Episode 24.

The murder of an eccentric millionaire was not really unexpected; he showed off his wealth and cared little for personal security. The evidence at the crime seemed to lean towards robbery, but investigators questioned if there was something more. Originally aired as Season 10, Episode 23.

An employee of a drycleaner was raped and killed in the store, and investigators thought themselves fortunate to have two witnesses. Their descriptions were similar but not identical, and the prime suspect didn't come close to resembling that person. Police turned to forensic science for the answers they were looking for. Originally aired as Season 10, Episode 22.

When police recovered the submerged car of a man reported missing, they expected to find his body - but it wasn't there. His broken eyeglasses were on the floor of the vehicle and the interior was coated with motor oil. The investigation which followed would uncover an obsession turned deadly, and the motive for murder. Originally aired as Season 10, Episode 18.

A California teenager goes missing. There is no sign of a struggle in her home, and police suspect she simply ran away. That is until her naked, bruised body is discovered in a ditch twenty miles away. Originally aired as Season 10, Episode 17.

An obstetrician returned home from the hospital and found his wife on the floor of the bathroom. She was covered with blood and not breathing. He tried to save her, staining his clothes with her blood in the process. But his version of events was not supported by the blood spatter evidence in the bathroom. Investigators had to determine why. Originally aired as Season 10, Episode 16.

A mother of two young children was found dead in her bedroom. It seemed she had killed herself; there were suicide notes near her body and a pistol was in her hand. Her death was ruled a suicide - but when investigators discovered she had almost died in a house fire three years earlier, they decided to take a deeper look at the evidence. Originally aired as Season 10, Episode 8.

A married couple decided to escape the cold of winter with a vacation in Key West. The wife went missing and police searched every inch of the island; they found nothing but a pair of sandals that may have belonged to her. Then two pieces of video surfaced and investigators started to wonder if they should be searching for a missing person or a murderer. Originally aired as Season 10, Episode 7.

When hunters reported a skull in a Texas canyon, police quickly began an investigation. At the scene, they found clothing, a shoe, some bones, and a strand of hair. An anthropologist determined the victim was a Caucasian woman and that she'd been stabbed repeatedly. Eventually, police learned who she was. Now all they had to do was track down her killer. Originally aired as Season 10, Episode 6.

Police instituted a search when the mother of two young children went missing. Less than a day later, they found her body. The evidence was little better than circumstantial, and the case turned cold. Twenty years later, advances in technology allowed investigators to see the evidence in a new light, and to learn that it pointed directly to the killer. Originally aired as Season 10, Episode 5.

When an elderly couple died in a suspicious house fire, their son became the number one suspect. The son urged his innocence; he said he tried to extinguish the fire by pouring water on it, but that only made it worse. Investigators turned to forensic science to determine if the fire had been set on purpose, or if it was truly an unfortunate accident. Originally aired as Season 10, Episode 4.

It was 1957, and California police were looking for a man who had committed numerous crimes in one night - including murder. They followed thousands of leads but, ultimately, the case turned cold. Almost fifty years later, with the help of modern computer technology and handwriting analysis, investigators proved that you can run, but you can't hide. Originally aired as Season 10, Episode 2.

A killer tried to incinerate and destroy everything that could link him to his crime. But in doing so, he inadvertently created new forensic evidence - evidence that came to light with a technique never before used in a criminal investigation. Originally aired as Season 10, Episode 41.

A 29-year-old woman was killed instantly when a bomb exploded in her home. The device was so powerful that shrapnel was imbedded in houses across the street. The bomber had not only knowledge and skill, but also a motive for murder. Originally aired as Season 10, Episode 40.

Three homicides on two continents looked like professional executions. Investigators on both sides of the Atlantic needed to find out if they were related and, if they were, who or what they had in common. Originally aired as Season 10, Episode 39.

When a woman was found dead in her bathroom, the evidence pointed to suicide. But a coroner's inquest and a unique application of forensic science gave investigators a different explanation for her death. It was a theory that, if true, could turn the grieving husband into the prime suspect. Originally aired as Season 10, Episode 38.

A serial arsonist was on the loose in Washington, DC. Each of the fires was started with the same type of incendiary device. The perpetrator was very careful, and seemed to leave no evidence behind but there were clues in the ashes and it was up to forensic scientists to find them. Originally aired as Season 10, Episode 37.

When the head chef of a historic Philadelphia restaurant was found dead, investigators interviewed the usual suspects: family, friends and co-workers. As they sifted through the evidence, police uncovered a chilling tale of debt and deceit. Originally aired as Season 10, Episode 36.

The crime scene was awash with blood. The victim had been brutally murdered as he slept in his own bed. There were no foreign fingerprints in his home, but investigators did find a shoe impression in the mud outside physical evidence they hoped would lead them to the killer. Originally aired as Season 10, Episode 34.

When a popular disc jockey was found murdered in a community garden, police swung into action. A sniffer dog and a blood spatter expert led police to the killer and he'd been much closer than they realized. Originally aired as Season 10, Episode 31.

A teenager went missing after an evening of horseback riding; her body was found a month later, three miles from her home. The killer unknowingly left trace evidence behind, tiny but unmistakable clues that pointed to him and him alone. Originally aired as Season 10, Episode 30.

A young woman was found dead on a golf course in the Bahamas. The grass on that course was so distinctive that it had evidentiary value. The evidence led police to two suspects. Each blamed the other, and they had to find out who the killer was. Originally aired as Season 10, Episode 29.