Two women are killed on the same dirt road, but police struggle to solve the murders until a third attack takes place.

In 2002, three teens fishing on a lake are left for dead when a speed boat rams their vessel. When one of victims dies from his injuries, two Texas Game Wardens become unlikely homicide investigators in a case spanning eight years.

When store clerk Marie Dupe is stabbed to death on a snowy Nova Scotia night, the evidence leads to a dead-end. Eight years later, detectives stage an elaborate sting to get the truth, straight from the killer's mouth.

A Jonesville, NC policeman is found dead at the side of the road after pursuing a suspicious vehicle out of town. Years after the trail for his killer goes cold, a veteran investigator is pulled out of retirement to close the fallen officer's case.

Thirty years after a young wife and mother is murdered, her adult children convince a rookie detective to take up the case. With fresh eyes on the old files, the young investigator finds a clue that helps unlock an old family secret.

When a local retiree vanishes without a trace, his daughter partners up with investigators to solve the mystery behind his disappearance, and eventually bring the person responsible to justice

When a Florida man is found dead from a vicious attack, the hot pursuit of a man seen fleeing the scene comes up short. Nearly twenty years later, a fresh look at old evidence helps cold case investigators put a name to the killer.

When a young woman suddenly vanishes while trying to repair a flat tire, investigators put together the pieces of a dark and heinous crime.

Four years after a 71-year-old Korean War hero goes missing near Upland, Calif., an investigator follows a trail of clues that seem to lead to the victim's closest friends.

A mummified corpse is found in an abandoned rock quarry, but it will take 23 years for investigators to identify the victim, dubbed "Marvin the Mummy," and bring his killer to justice.

A popular bartender at a neighborhood pub in Florida is killed in a late-night burglary gone wrong, and it takes investigators almost two decades to catch the culprit and turn his own lies against him.

When a young wife and mother is found murdered, it will take investigators 30 years to identify her killer.

After two young men in the prime of their lives mysteriously disappear on a hunting trip, investigators uncover the dark truth about what happened to them - and who was responsible.

In 1988, racing legend Mickey Thompson and his wife Trudy are gunned down in front of their Southern California home. After nearly two decades of cat and mouse, cold case investigators bring the case to a close and put a smug killer behind bars.

In Gainesville, Fla., cold case detectives track a killer who is suspected in the deaths of two women and find his logbook of murder.

In Michigan, two women and a baby are found murdered in a burning house, and it will take police more than 30 years to bring the killer to justice.

A single clue will eventually lead police to a surprising suspect in the case of a well-liked man found murdered in his truck.

A series of detectives devote 30 years to solving the brutal rape and murder of a high school student

After nearly 30 years, a veteran detective solves a cold case involving the murder of a young man in his home with the help of a witness who saw the killer leaving the crime scene.

While investigating the shooting deaths of newlyweds Gail and Rick Brink, detectives go down a dark path that leads to a shocking motive and an unexpected killer.

A countrywide manhunt for a suspect who shot two on-duty police officers comes to a shocking conclusion 46 years later.

In Scottsdale, Ariz., a homicide case that will take 30 years to solve begins with 14-year-old Greg Holman's failure to show up for dinner.

A decades old murder is investigated when a steel drum is unearthed with the remains of a pregnant woman inside.