On June 6, 1992, Suzie Streeter and Stacy McCall are out celebrating high school graduation. By morning, the teens are missing, along with Suzie's mother. The case leads police on a nationwide search as they work to solve this baffling mystery.

So-Cal surfer and tech entrepreneur, Chris Smith, dreams of making a tidy sum of money and then surfing off into the sunset. It seems his dreams have come true, but all is not as it appears.

In 1984, 10-year-old Kevin Collins disappears on his way home and the city of San Francisco is galvanized in an effort to find him. With few leads to go on, his case sheds light on hundreds of other kids who have vanished without a trace in the U.S.

In 1971 and '72, Washington DC is terrorized by a cunning killer who abducts and murders six young African American girls. Police and the community are outraged by the serial killings that target young children in their own neighborhoods.

Art imitates life when Cambodian genocide survivor Dr. Haing Ngor wins an Oscar for his role in the film The Killing Fields. But when he's gunned down the LAPD investigate a web of political intrigue, revenge and street gangs to uncover the truth.

In July of 2010, NBA star and family man Lorenzen Wright goes missing outside of Memphis, TN. When his dead body is discovered in the woods, investigators find that this case is far from a slam dunk.

A double murder involving the family of a federal judge will lead the FBI, US Marshals and Chicago PD on an investigation of epic proportions. But when law enforcement finds the end of the trail, they learn the death count may climb higher.

In 1988, a young woman is found murdered in her Modesto, Calif., home, leading police to investigate the strife and infidelity in her marriage. A surprising witness eventually comes forward.

When a widower and father of three is found murdered outside his Long Island home, police have reason to look into shady business dealings as a possible motive. Then, a tip leads to three unlikely suspects, exposing dark family secrets.

Right before Thanksgiving, two masked gunmen reportedly invade a couple's home and kill the husband; with few leads, police use ballistics, forensics and neighborhood gossip to solve this cold-blooded murder.

After doting mother Cheryl Coker vanishes from Riverside, Ohio, numerous searches turn up nothing; as police take a closer look at the case, they uncover some disturbing information.

A senseless murder rocks an African-American neighborhood in 1970s Detroit; police arrest suspects who are ultimately convicted of murder, but 47 years later, the truth finally emerges to right history's wrongs.

After a fire chief's wife's burned body is discovered, an autopsy reveals she died from a gunshot wound to the head, and the arson investigation turns into a hunt for her killer.

In 1998, a gifted Philadelphia graduate student is found murdered in her bed, triggering a hunt for her killer.

When an 11-year-old Arizona girl vanishes while waiting for an ice cream truck, it's clear she's been abducted; the search for her leads to a trail of suspects, making it the largest missing child investigation in Arizona history.

A 12-year-old girl goes missing on her way to school in Oregon City, Ore.; the police investigation offers little in the way of leads, then a second girl disappears.

The morning of his anniversary, Mike Williams goes duck hunting. When he fails to return home that afternoon, an all-out search commences. But it's only the beginning of a sordid mystery that will take close to 20 years to solve.

In the summer of 1980, a popular teen goes for a run around her hometown in Maine. Days later, her savagely beaten body is found. But what happened remains a mystery for years, until her mother intervenes and forces police to reexamine the case

When three women from three different decades meet their death or go missing under mysterious circumstances, authorities are forced to examine the one thing they had in common: they all fell in love with the same man.

A celebratory night turns deadly for a Texas family when they are gunned down at home. When investigators uncover a conspiracy, it will test one man's ability to forgive as he fights to save the criminal mastermind from the death penalty.

In York, Pa., race riots claim the lives of an African-American mother and a young, white police officer; their deaths are largely forgotten until 30 years later when their cold cases are reopened, revealing the city's dark past.

In Philadelphia, police make a horrific discovery 18 months after a woman goes missing; the police pursue the woman's killer, but he always manages to stay one step ahead of the law.

In the summer of 2000, bags full of body parts start appearing all over the San Francisco Bay Area; investigators follow the trail of grisly clues to a secret cult carrying out a sinister scheme.

In 1992, a 19-year-old woman is brutally assaulted outside of Desert Hot Springs, Calif.; miraculously, she escapes but lives in constant fear that her assailant will find her again one day, not realizing she has survived a serial killer.

Gallaudet University is the premier college for the deaf in the United States, but this haven of higher learning is turned upside down after two students are murdered in their dormitory rooms.

On a Mississippi back road, a 19-year-old woman is set on fire and left to burn alive; her last words lead detectives down a road of dead ends and the case goes cold until a special agent taps into her location data and finds a suspect.

In 1969, a woman is found murdered in Los Angeles, but her identity is a mystery; for decades, police investigate hoping to put a name to the face and find her killer; the one lead that comes up over and over leads them to Charles Manson.

In the 1970s a serial rapist is on the loose in northern California; then, as his reign of terror over the community wanes, police discover he isn't just a serial rapist, he's a serial murderer and he's been killing people all over California.

A young couple's toddler vanishes while the family is enjoying an impromptu camping trip in Leadore, Idaho; investigators and private detectives work around the clock to find the missing boy, only to come back to his parents.

When a young family vanishes from their Southern California dream home, friends and family are left with dozens of unanswered questions; authorities suspect they fled the country, until an unlikely source uncovers the truth.

One summer night in 2007, the Petit family is woken up by two strangers in their quiet Connecticut home; suddenly, these four family members find themselves being held hostage and in a fight for their lives.

Sherri Rasmussen and John Ruetten are enjoying newlywed life until one morning when Sherri calls into work sick; that night, John returns home to find his wife murdered; years later, detectives discover Sherri's killer was too close for comfort.

A premiere fishing boat explodes into flames just off shore, stunning the small fishing town of Craig, Alaska; after fighting the flames, state troopers discover the remains of a young family and few clues as to could have set the ship blaze.

In Florida, friends and family are stunned after an esteemed criminal law professor is executed in his garage; investigators follow a series of leads taking them on a statewide hunt in search of the murderous masterminds.

After a young couple goes missing, detectives find a clue leading them to a strange storage container in the middle of 95 acres, and what's inside unlocks the secrets of a monster hiding in plain sight.

In 1984, the body of a 14-year-old girl turns up on the beach in San Diego and police think it relates to the murder of another teen; a clue yields an unbelievable suspect.

In 1980, Tim Hack and Kelly Drew go missing from a small Wisconsin town, then their bodies are found in a field; a woman comes forward nearly 40 years later to help solve the so-called "Sweetheart Murders" of Hack and Drew.

Shock sweeps through a Washington community when a suburban mother gets arrested for a murder from a decade earlier in Alaska; details of a seedy and sordid past emerge.

Police investigate the shooting of millionaires Brad and Andra Sachs in their home in 2014 and track a series of clues in a chase to find the couple's killer.

When a vivacious young escort, Shannan Gilbert, vanishes on Long Island's south shore in 2010, her disappearance leads police to discover the bodies of ten other victims dumped by a serial killer.

The discovery of four women's bodies on Gilgo Beach was just the beginning. But who is the Long Island Serial Killer? Investigators uncover multiple suspects and shocking theories, as they race to capture this prolific killer before he strikes again.

In 2011, a 10-month-old baby girl goes missing from her home in Kansas City. The family fears she's been kidnapped by a drifter, only to be accused by the police of being responsible for her disappearance.

Outgoing Jackie Galloway is found strangled and bound with ritualistic knots. Police investigate suspects in her inner circle but are shocked when a chance encounter with a prowler leads them to discover the murderer is a budding serial killer.

A mother and three teens are murdered in the remote town of Keddie, California. Despite a trail of suspects and illicit activity, no one was ever brought to justice. But recently discovered evidence may be the key to finally cracking case.

In 2012, hikers in Los Angeles' Hollywood Hills discover the severed head of Hervey Medellin, a retired flight clerk. The cast of suspects includes former lovers, drug cartels and a murderous porn star, in a tale of lust, greed and butchery.

In 1995, 16-year-old Adrianne Jones is found shot to death in Grand Prairie, Texas. A model student and athlete, there seems to be no reason for her death. Police investigate boyfriends, neighbors and local troublemakers, but don't have any strong suspects. The case grows cold, until nine months later when a game of Truth-or-Dare leads to a startling confession and an over-achieving relationship that went murderously awry.

Six-year-old beauty queen JonBenet Ramsey is found murdered in her Boulder, Colorado home in 1996. Investigators try to unravel if she was killed in a kidnapping-gone-wrong, by a home intruder or by one of her own family.

A lone survivor is the only witness who can help police track down a serial killer known as the Grim Sleeper, who preys on women in South Central Los Angeles. After decades of searching, police hone in on an unlikely suspect.

In 2004, the small town of Craig, Alaska is shocked when police discover the charred body of beloved mother and wife Lauri Waterman. People have no idea who would want to kill her, until an unlikely witness reveals a sordid story of secrets and lies.

An army surgeon, Jeffrey MacDonald, is the lone survivor of a brutal 1970 home invasion that claims the lives of his wife and daughters. But authorities doubt his story of murderous hippies and believe MacDonald is the culprit.