Police in Albany, NY, get a surprise when a killer they think targets only older women is suspected in the murder of an elderly man. And the contents of a secret storage shed holds the grisly clues to a murder that has gone cold for more than 14 years.
A 14-year-old boy is charged with the murder of his sister, but his public defender believes the police coerced his confession. And two deteriorated medical examiner's slides give police the evidence they need.
A district attorney uses a clever technique to help track down the Schoolgirl Rapist from Rochester, NY. The cold case squad reopens a case, hoping DNA evidence will prove the suspect's guilt.
DNA extracted from the saliva in an envelope's seal is used to track a serial rapist down. And when a man is found dead in South Dakota, investigators go on a 20-year search for the killers.
Our cameras follow Detective Manny Reyes as he investigates the 1990 murder of a Fort Worth, Texas woman. Reyes talks to the woman's two sons, who believe that her husband, Bobby, was the murderer.
In Rhode Island, policewomen go undercover as street walkers to nab the man suspected of murdering three prostitutes. And a dagger-shaped letter opener is the key piece of evidence that links a priest to the grisly 1980 murder of a nun in Toledo, Ohio.
Kansas detectives reopen the case of a banker found beaten to death in his bed, and the chief suspect is his cheating wife. And a man with a guilty conscience helps Arkansas police crack a cold case.
After U.S. Navy sailor Andrew Muns disappears in 1968, his sister works tirelessly for over 30 years to prove that Muns was really killed. And DNA surreptitiously gathered from a cigarette butt helps detectives to unravel a case of rape and murder.
DNA found on a marijuana joint in Florida in 2005 helps to solve the 1988 rape and murder of a California woman. And a cold case of murder in Illinois heats up when a jailhouse lawyer turns jailhouse snitch.
Detectives are baffled when two young girls are raped, murdered and dumped in an abandoned house in Akron, Ohio. And a 26-year-old mother of three disappears on Christmas Eve in 1995.
The killing of a woman goes unsolved for a quarter of a century. And when a woman is shot during a jewelry store robbery in 1980, investigators collect fingerprints and blood from the crime scene.
When a woman is found murdered in her mobile home, police make two shocking discoveries. And after an Oregon man is shot dead, the case takes an unusual twist.
Guns found dumped in a pond outside of Atlantic City help police solve the 15-year-old murder of a Detroit cab company owner. And the rape and murder of an Atlanta TV station receptionist goes cold for 20 years.