When the Stewart family wakes up one morning, their 47-year-old mom, Kathy, is nowhere to be found. The last they knew, she went for a walk in downtown Ava, MO. But when her murdered body is found in nearby Cowskin Creek, the town erupts in fear.

When a young woman leaves home to join up with a goth community in Manchester, NH, her mom figures it's just a phase. But when she later disappears from a roadside bar, it's clear that something truly sinister has happened

When the body of a teenage girl is found dumped on the muddy banks of the Trinity River, Texas police identify her as 13-year-old Krystal Baker. Yet, sixteen years pass before Krystal's killer is brought to justice.

Outside Asheville, NC, a young mother is stabbed four times in the chest and left for dead in the French Broad River. But she lives long enough to seek out help -- and leave a cryptic clue for detectives.

When a Lakota teen disappears after a night out in the mostly white town of Mobridge, SD, deep racial tensions erupt. And after her body is found in the mucky shallows of the Missouri River, detectives are stonewalled on both sides of the divide.

A Marietta, GA, co-ed is eager to make the five-hour drive home to see her parents. But she never gets there. Her friends and coworkers have no answers, and when her body surfaces in the Oconee River, detectives realize that one of them is lying.

When 19-year-old Kathy Bonney, model daughter, fails to return home, concerned father Tom Bonney turns to police. That same day, her body is pulled from Virginia’s Great Dismal Swamp. Turns out, Kathy wasn’t as angelic as her family was led to believe.

Kimra Riley heads to a Sheffield, Alabama, bar looking for fun and soon finds something far more sinister. Two months later, her body is found tangled up on the banks of the Tennessee River. 

After 32-year-old Mark Mueller's body is pulled from the shore of Lake Michigan, police wonder how his favorite fishing spot became a scene for murder. It's not until his burned-out car is found miles away that officers finally get some answers.

When shots ring out on a remote Florida beach, officers are devastated to learn the lives of two Georgia teens have been lost. Even with two jurisdictions on the case, leads are scarce. Until an unexpected call comes in and promises swift resolution.

14-year-old Gina Marie Justi's body is discovered in a marsh near an orange grove, brutally raped and strangled. What follows is four decades of a game of cat and mouse.

Angela Crowley's body turns up partially clothed and strangled on the murky banks of the Cross Florida Barge Canal. Detectives discover shocking secrets as they unravel the mystery of who stalked and killed the innocent 21-year-old.

When their car breaks down at the mall in Beaumont, TX, a young husband tells his wife to wait while he fetches their other ride. But when he returns minutes later -- she's mysteriously vanished. Does the nearby Big Thicket Swamp hold the answers?

A party in the woods ends in tragedy when the body of 18-year-old Jarret Clark is found floating in a lake. With many people camping in the Oklahoma wilderness that night, it's only a matter of time before agents come across a key witness to the crime.

In Noel, Missouri, a bank is robbed of $71,000 and the bank president, Dan Short, is nowhere to be found. Could Short have robbed his own bank? Five days later, a body is found in the swampy shallows of the Great Lake o' the Cherokees.

A submerged car pulled from a Florida canal brings a startling discovery: the body of 39-year-old Beverly Jackson. Police explore the single mom’s work route and relationships, but it will take the help of a hotline tipster to track down her killer.

After 30-year-old Lloyd Tobin is gunned down on a lakefront beach in Texas, his family launches their own investigation to help police solve the case. More than 20 years later, closure comes from a surprising source.

When two women are discovered in the depths of Georgia's Flint River, detectives wonder if a serial killer is afoot. But when they connect the two victims, investigators follow their lead to the discovery of two more corpses, and a whole slew of betrayal.

Heather Strong is a responsible mother of two. Detectives find her body rotting in a swampy overgrowth, and the investigation that follows untangles a web of romance and friendship that led to obsession, betrayal and ultimately murder.

On the morning of her 50th birthday, a woman is found face-down in Suqualena Creek near Meridian, MS, apparently drowned. But it's no accident. Her daughter and her best friend are distraught, but as detectives learn, both are hiding secrets.

Alabama teen Edith McLeroy rebels against her conservative upbringing marrying the leader of a biker crew, cruising the highways as queen of the pack. But when her body is found in Louisiana, a mystery is sparked that will end up lasting 32 years.

Bill, Nancy, and her 8-year-old daughter, Sarah, live a happy life in the Arkansas Ozarks. So when their bodies are pulled from the dark, murky waters of the Illinois Bayou, police are devastated by the sight of them.

The headless body of 34-year-old Beverly McGowan turns up near the swampy shores of the Everglades. The murder takes detectives on a 12-year manhunt for an elusive and ruthless suspect.

In Albany, NY, a young woman storms out of the house to track down her wayward boyfriend and disappears into the night. When her body is found washed up on the mucky banks of the Hudson River, detectives realize they have a killer on the loose.

After 53-year-old Barbara Hefner disappears from her remote Georgia residence, her body is found floating in nearby Folly Lake. On the hunt for her killer, officers uncover a recent inheritance and secret affair before ultimately bringing justice home.