Cold Case Files Classic

After running DNA tests on more than 50 suspects, police get a good a lead on a serial rapist. And a cigarette butt found at a murder scene helps investigators to smoke out the killer 29 years later.

A high school janitor is suspected in the murder of a young girl, but with only circumstantial evidence to go on, police must let the case go cold.

Police play a wild hunch that pays off in the capture of a serial rapist. And after 26 years, investigators finally solve the murder of a 6-year-old girl.

The brutal stabbing murder of a Florida woman is solved when police find crucial DNA evidence in spit left on a pavement.

A bloody dagger and a phone tap help detectives solve a 20-year-old murder case. And DNA taken from an eyelash found on a dead prostitute's body brings a killer to justice.

The dogged work of a detective tracks down the man who raped and murdered a 6-year-old girl. And when police search for the killer of a hitchhiker, the victim's diary is one of their best clues.

A look at the case of James Allen Selby, a serial rapist who eluded police for years while attacking 11 women in five states - Oklahoma, Nevada, California, Arizona, and Colorado.

The story of the hunt for one of the most notorious serial killers in recent American history--the BTK killer, who terrorized the Wichita, Kansas, area for years.

In this special 100th edition of Cold Case Files, we look at the biggest serial murder case in U.S. history--the 20-year hunt for the Green River Killer.

When an adulterous church deacon is found shot to death in the back seat of his car, it looks like police may have stumbled upon a multi-party murder plot.

Law enforcement officials fear they may have to release a serial killer from prison until a 24-year-old murder case gives them a chance to lock him up for good.

DNA evidence found on a murder victim whose body had been dumped in a Dairy Queen drive-thru leads to the arrest of Houston's notorious "tourniquet killer."

A video tape made at an ATM machine helps police in Louisville, KY, to nab a man suspected of raping 13 women.

This special edition of Cold Case Files offers an inside look, rarely seen, at an active cold case investigation.

Thirty-two years after the killing of University of Michigan law student Jane Mixer, police use DNA found on her pantyhose to finally track down the killer.

On a summer night in 1987 a mother worries and waits for her 19-year-old daughter to come home. But Diana never comes home and she's found raped and strangled.

A detective vows not to shave until he solves the murder of a young Oregon woman.

A forensic scientist's painstaking examination of a rape kit helps solve the 15-year-old murder of a teenage girl.

Nine years after the murders of a mother and her teenage daughters, a wiretapped conversation between the suspected killer and his sister helps police to crack the case.