When 8-year-old April Tinsley is found dead in a Fort Wayne, IN, ditch the community is shaken. Disturbing letters then appear, penned by her killer. Police scramble to catch April's murderer before he strikes again.

When 81-year-old Helen Gale is found in her burned-out car, investigators in Southfield, MI, wonder who would murder this pillar of the community. It will be eight years before a blown alibi brings them face-to face with her killer.

When 37-year-old Lee Rotatori is found dead in her hotel room in 1982, police suspect the work of a professional. It will take four decades to identify her killer and, in the process, reveal a shocking truth.

Dawn Koons, an 18-year-old model with dreams of making it big in California. Her family back in Yonkers had their concerns about her move, fearing that she might be making a mistake. Unfortunately, their worries would soon turn into heartbreak.

When nine-year-old Campfire Girl, Candy Rogers turns up dead after selling mints door-to-door, Spokane detectives launch a dogged campaign find her killer. What follows is one of the longest cold case investigations in Washington State history.

Landlord Bruce Blackwood disappears without a trace in March 2006. Though there is no body, the NYPD is sure this is a homicide and they, along with Bruce's brother Ed, spend the next 9 years searching for answers and a killer.

When Gary Parks is killed in a fire-ruled arson, the investigation into his death shifts to homicide.

In September 1974 in Ohio, 15-year-old Lori Nesson disappeared while walking home from a high school football game after-party. Her naked body is found in a ditch the next day yet is ruled undetermined natural causes. The search for her killer finally begins when the cause of death is changed to homicide 40 years later.

Just two years into their marriage, Chuck and Cheryl Hall are torn apart when Cheryl is murdered. Though Cheryl's family is certain they know her killer, the law isn't as sure. After several decades, a DNA match erases all doubt.

A fire in January 2007 in Canton, OH, claims the life of WWII vet Bennie Angelo; a closer look at the crime scene reveals Bennie was dead before the fire, bumping an arson case up to homicide.

When a 30-year-old mother fails to report for duty in Virginia, the Army lists her as AWOL. Her family immediately suspect foul play. They embark on a 13-year quest for answers before an eyewitness blows the case wide open.

In December 1985, when human bones are discovered in the woods, it puts an end to the search for missing teen David Reed. David's skull fractures point to murder; but it will be decades before investigators can find his killer.

Janie Landers disappeared in 1979 from the home for the impaired and later on, her body was found. It took years before the suspect was found and the horrors in the facility are uncovered.

A woman's promise to bring her missing aunt back home unexpectedly took a lifetime.

In early 1984, three-year-old Vanessa Bennett becomes the lone survivor of her family's brutal murder. Initial investigators suspect a serial killer is at large, but decades pass before DNA narrows the suspect pool to one man.

On February 2, 2010, two masked gunmen commit a violent robbery and shoot Michael Temple Jr., rendering him a quadriplegic for five years before his death. In this unusual cold case, DNA from a knife is used to create a sketch of the killer.

In late 1983, the bodies of five people abducted from a local fast food restaurant are found brutally murdered in an oil field. The main suspect is long believed to be a well-connected local man, until new evidence reveals the true killers.

In March 1984, Jack Kennedy discovers his daughters brutally murdered. Their mother and niece spend their lives keeping the case alive. DNA leads nowhere. Thirty years later, an informant gives up a name. But the family's ordeal is far from over.

No description available

When 23-year-old Tonya McKinley is found brutally murdered on New Years Day 1985, a little boy is left motherless. A family must wait 35 years for advancements in forensic science to finally catch a killer using familial DNA.

No description available

No description available

In 1977, Florida nurse Deborah Clark, 23, is found brutally slain in her home; detectives unearth an affair, a jilted wife, and a web of money and power, but no true suspect. It will take 40 years and advanced DNA testing to expose her killer.

When 36-year-old computer programmer Lisa Valdez fails to show up for work, her apartment manager finds her brutally murdered in her tiny studio. Her body is riddled with stab wounds, the walls are covered in blood. Evidence shows the killer cut off her long, dark hair, taking it as an apparent trophy. Detectives ask, could she be the victim of a brutal serial killer? Or was Lisa murdered by someone she knew? Clues left on an answering machine point to a co-worker who was known to have feelings for Lisa, but two bloody fingerprints left on a toilet seat clear him as a suspect, and the case goes cold for thirteen years. Things heat up when a detective gets a hit during a search of the state's DNA database, leading to an unsuspected person from Lisa's past.

When Sherry Leighty goes missing in 1999, her family is left wondering how a dedicated mother of three could vanish without a trace. A decade later, the cold case heats up when Sherry's sister launches a social media campaign to help solve her sister's mysterious disappearance. An online tip unearths the killer truth and a sinister family secret. Featuring an interview with Shelly Leighty, who never gave up on solving her sister's case, along with rare home video of Sherry and her family.