27 Feb. 2017 Little Girl Lost ... con-man past that becomes the key to solving a 29-year-old cold case of two high school sweethearts--and three other cold case murders--leading police to believe he could be the Zodiac Killer. It’s most definitely a long-running series as well, the first episodes originally broadcast in the early 2000s, before Netflix released follow-up installments in 2018. Three years later, a second autopsy reveals the truth.After a hit-and-run boating accident kills a young man, investigators turn to the public for assistance and get help from an unexpected source.After masked men shoot a husband and force his wife to open their hidden safe, investigators find evidence that leads them in an unexpected direction.Investigators analyze minuscule paint chips and bits of plastic to search for the car that struck and killed a promising high school athlete.Police are baffled when their investigation cannot determine how a killer entered or left the scene of a murder.

But six years later, an animator and a blood spatter expert offer another explanation.After police deduce that the suicide of a woman caught in a love quadrangle was actually a murder, clues found in a trash bag lead to her killer.A Montana man disappears after running off with a friend's wife, and his case goes unsolved until a metal detector turns up clues in Pennsylvania.After police conclude that a Colorado hunter's shooting death wasn't an accident, forensic metallurgy and geology help solve the crime's riddles.After a young man helps police connect his mother's unsolved murder to a recent homicide, biological forensics lead investigators to the killer.A shrimp boat captain dies when his vessel sinks in a severe storm, and his rescued deckhand confesses to his murder until forensics prove otherwise.When a wealthy banker's wife is kidnapped, police focus their attention on the bank until an entomologist's forensic find points in another direction.A violent one-man, one-night crime spree goes unsolved for almost 50 years until forensic computer technology finally catches up with the killer.After an elderly couple dies in a house fire, police suspect their son of arson and turn to forensic simulations and physics for proof.The murder of a suburban mother goes unsolved for years until forensics advances allow investigators to exhume her body and reevaluate the evidence.After a skull and bones are found in a Texas canyon, a forensic artist and an anthropologist help identify the victim and lead police to her killer.While vacationing with her husband in Key West, a wealthy woman disappears.

This is not for the faint-hearted. Cold Case Files.

Investigators study photographs and analyze weeds to track down her abductor.When the car of a missing teen is dragged from a river, the interior is coated in motor oil.

Three decades later, DNA evidence helps him do just that.A teenage girl survives a bloody attack that claims the lives of her parents, but investigators begin to suspect that it was more than just luck.After a decade of remaining silent, a witness to the rape and murder of a hairdresser comes forward to help police reopen the investigation.Investigators try a key in every mailbox in a small California town and use a tire tread and broken jewelry to find the killer of a murdered teenager.From murders to missing persons cases, investigators use cutting-edge forensic science to bring the guilty to justice.When two gay rights activists are brutally murdered, investigators assume it was a hate crime.

It would take years before authorities could right a horrible wrong.When a couple is murdered, police initially suspect a drug deal gone bad. The pattern is familiar, but changing, thanks to the efforts of a special breed of detectives.

Investigators think a cop might be the perpetrator.With the police stymied, a brother vows to catch the man who raped and killed his sister. Cold Case Files tells the story of their work. Cold Case Files.

However, strands of hair reveal another possibility.After a decomposed body is discovered in a steel drum, investigators find a badly damaged address book that may reveal the victim and her killer.After a young child dies, police investigate a local hospital where the pediatric mortality rate is far higher than anywhere else in the country.After a young girl is found dead in her backyard, her parents insist that a pack of dogs was responsible. Forensic scientists use the DNA to paint a picture of the suspect.An architect dies shortly before she's scheduled to testify in a criminal trial. Science will determine if the fog occurred naturally or was caused by industrial pollution.When a woman goes missing from her Phoenix home, police focus on her husband when an airline luggage tag and luminol point to an affair and murder.Handwriting and simple doodles turn an attempted murder bombing case into something very different in a peaceful British farming village.Bits of forensic evidence are the only clues for investigators who must first identify an incinerated body found in a dumpster, then catch the killer.Forensics experts uncover a bizarre tale linking a forged old document to three Salt Lake City bombings -- and a surprising potential perpetrator.The discovery of a boy's body near a stream in his Swiss village leads police to dredge the water for elusive clues that point to his killer.Analysis of key forensic evidence is needed in a Birmingham, Ala., case involving a judge who's killed in a bombing that may be linked to other cases.An Illinois couple is the focus of an investigation into a 1980s case in which a baby girl was kidnapped and murdered after an apparent home invasion.The 1984 rape of a young Virginia woman is revisited by the experts when DNA testing refutes her ID of the rapist and calls everything into question.Tiny paint specks from a little girl's pink bike and a sharp-eyed gym coach provide clues that could prove the case against an Arizona child murderer.Two years after a Michigan girl disappears, a suspect reveals the killer's name and motive -- but police must now match tiny blood spots to the crime.No body, no weapon, but no problem for a team of investigators who use forensics and detective work to prove a murder has taken place, and who did it.Experts try to unravel an arson case when a Seattle policeman's home is torched and a minor drug dealer disappears after confessing to the crime.How fresh is the evidence in a multiple rape and murder case?

Police find that the serial number has been filed off the weapon, but that won't stop the experts.Investigators don't just test evidence left at a crime scene, but also items taken away, as happens when CD cases owned by a murdered child turn up.The 1962 murder of a 15-year-old girl haunts police for 24 years. But the blood spatter evidence suggests a different story.A suspected runaway teen is found naked in a ditch miles from her home. But the true motive proves much more complicated.Forensics revealed the race and age of remains found in marshlands, but a special consultant was needed to digitally reconstruct the victim's face.A killer stuffs incriminating evidence into a plastic bag and throws it into the river, but his plan backfires when the bag gets caught in a tree.Days after a woman sells her home and moves into a small trailer, she dies in a fire that destroys her new home.