Kelly and Steve investigate the mysterious murder of a devoted mother of four, found stabbed to death in her van with her wedding band on the floor; was an alleged secret affair behind the shocking crime?

The mysterious death of a young mother in Ohio and the ensuing investigation that spans years and multiple states.

Debra Newell believes she has found Mr. Right, but her daughters sense there's something wrong with John Meehan; they start digging into his past and find out he's a dangerous con man; their revelations may come too late.

When a young mother disappears after leaving her infant in the care of her local pastor and his wife, Florida detectives search for her for five years, uncovering a web of secrets and lies.

When an outspoken radio personality and veterans' advocate is gunned down in her own bedroom, investigators try to figure out why.

A popular chiropractor is healthy one day then dies a painful death the next, so police begin the search for a murderer.

The body of insurance salesman Brian Davis is found alongside a bayou in Calcasieu Parish, La.; police discover that Davis had many secrets, and those closest to him may be involved in the death.

A Naval officer who rose through the ranks and once questioned terrorists at Guantanamo Bay is found by his wife, dead inside a Florida hotel room.

A double-homicide in a small Ohio town leads police to a family member with a grudge over $400 that leads two brothers to spiral out of control.

After three ruthless murders and a monthslong spree of armed robberies, police in Fort Worth, Texas, race to stop a young man intent on inflicting pain, his honor student sibling and a second set of brothers.

A home invasion by masked gunmen leads to the murder of a doctor trying to protect his family, but when investigators track down three brothers, they discover the kidnapping plot gone wrong was masterminded from within the doctor's own circle.

A rural community in Georgia is rocked by two double-homicides within 24 hours, including a beloved dairy farmer and his son, but a piece of evidence eventually leads detectives to two brothers.

When a young mother is shot and killed, a revolver leads investigators to someone who knew both the victim and her ex-husband, but nothing is as simple as it seems.

After a small town dentist is stabbed to death, investigators discover a web of extra-marital affairs and infidelity, and the odd behavior of an unexpected suspect helps crack the case.

After a beloved school superintendent is killed in a small town, detectives discover that a secret affair and a broken promise may have fueled the passions that led to murder.

Police investigate the murder of a popular insurance salesman in a small Midwestern town; as they untangle a web of lies and deceit, police discover that a religious leader hides some sinful secrets.

Investigators on both sides of the Atlantic seek links between three homicides that look like professional executions.

Who put a bomb in the home of a 29-year-old woman and killed her?

A killer tried to destroy everything which could link them to the crime; but in doing so, they inadvertently created new forensic evidence, evidence which came to light using a technique never before used in a criminal investigation.

When murder strikes a young girl, police quickly make an arrest, but cutting-edge technology from NASA proves they have the wrong suspect behind bars.

A man is found strangled and burned in his San Antonio apartment and the killer thinks he has destroyed all the evidence.

When two men appear to die of heart disease six years apart, police notice they have one thing in common, they were each married to the same woman.

Casino security cameras offer the final images of a woman, just before she vanishes without a trace; can these grainy images lead police to her killer?

Two bodies are discovered, shot to death in their car; the car windows are broken, but there's no sign of shattered glass.

Key suspect has a solid alibi in the murder of a war veteran; but police get a lead by finding a new suspect with a sweet tooth.

A woman who appeared to have taken her own life told her sister that, if anything were to happen to her, there was a note in the china cabinet.

When an aspiring model turns up dead, police suspect her boyfriend. But must dig deeper for clues when he is cleared.

Tiny fibers and an asthma inhaler are the clues that lead officers to the killer of an off-duty policeman.

Investigators search the world of high rollers and offshore betting to solve the first triple homicide in Verona, Wisc.

Police search every apartment building in town when the body of a young girl found on an isolated farm holds a set of keys but no ID.

A charismatic young woman meets a dynamic and handsome man at an Orlando nightclub, and it seems like a perfect match, but a secret marriage and a lover who just can't let go spells doom for two innocent victims.

After 25 years of a mostly beautiful marriage, a woman loses her husband in a brutal killing inside their own home; what at first seems to be a robbery-gone-bad is revealed to be a vicious and carefully plotted murder.

After finding his wife and two children dead, a former Indiana state trooper spends 13 years trying to clear his name.

After finding his wife and two children dead, a former Indiana state trooper spends 13 years trying to clear his name.

When one woman breaks off her relationship with a boyfriend she says abused and stalked her, he moves on to something even worse.

A wife claims she woke up to discover her husband had been shot to death as she slept next to him; police question if she is a shocked and grieving widow or if she's a cunning killer with a twisted master plan.

When a North Carolina preacher's wife is found murdered, police must determine not only who may have wanted her dead, but whether some members of the congregation are mourning - or trying to cover up their part in the violent crime.

Family members desperately search for a missing Virginia teenager, not knowing police have a secret: they've discovered his body but refuse to release any info as they untangle an extraordinary motive.

Police search for an odd-looking gunman seen fleeing after shooting a young mom to death, and uncover a suspect who's not what they expect-with a motive that's impossible to comprehend.

When a wealthy businessman and his wife are brutally gunned down, detectives discover a family torn apart by resentment and greed, and uncover a murder plot between the couple's sons and a second set of brothers hired to pull the trigger.

A man's murder outside his home in suburban Memphis leads investigators to multiple extramarital affairs, a wife's secret life, an insurance policy, and a brother willing to do anything for his sister.

Teen brothers rebel against their strict upbringing and become skinheads, and when their mother, father and younger brother are discovered murdered in their home, police begin a manhunt that leads them across three states.

A home invasion starts a massive manhunt through the remote, snowy wilderness of Idaho for two bank-robbing brothers who once helped catch a notorious Soviet spy.

In a plot straight out of an Alfred Hitchcock film, a woman peers into a neighbor's yard and catches a glimpse of something unsettling; she sets into motion a chain of events that will divide a family and a jury.

A young mom's abduction at gunpoint leads her family and veteran investigators to spend desperate days trying to find out where she was taken, but the suspect and motive both come as a surprise.

Detectives often hit dead ends, but one young detective sees dead ends as starting points; she's beaten the odds in her own life, and, now, she's determined to beat them on the job using her head and her heart.

A beloved Staten Island teacher is found dead in the home she shared with her husband; an unknown number in her cell phone leads investigators to ultimately unearth her killer.

When a young pregnant mother goes missing in Virginia, her family embarks on a search, but the case goes cold; years later, investigators find a woman who may hold the key to solving the case.

Was he missing or was he hiding; he had a wife, a good job, a daughter he loved; investigators were told he also had a secret and they went on an undercover mission to find the truth.

When a young pregnant mother goes missing in Virginia, her family embarks on a search, but the case goes cold; years later, investigators find a woman who may hold the key to solving the case.

A romantic interlude on a September night turns tragic when a woman slips over the edge of a cliff and falls to her death; authorities ask whether she fell or was pushed, and it will take 20 years to find the answers.

The execution of successful businesswoman and mother Makeva Jenkins sparks an intense investigation, but unveiling the masked gunman requires unmasking a litany of suspects in hopes of exposing a killer relationship.

The shooting death of Brad McGarry, a gay coal miner in Bellaire, Ohio, has detectives suspecting a hate crime, but when a shocking secret comes to light, it reveals an unexpected motive for murder.

The unbelievable murder of Carol Kennedy, a popular college professor, artist and mother.

The unbelievable murder of Carol Kennedy, a popular college professor, artist and mother.

Heidy and Conrad Truman are an enviable couple with a bright future; then, one fateful night, Heidy is found dead of a gunshot wound to the head; in the aftermath of her death, accusatory fingers are pointed at someone who may very well be innocent.

After a beloved school superintendent is killed in a small town, detectives discover that a secret affair and a broken promise may have fueled the passions that led to murder.

Police investigate the murder of a popular insurance salesman in a small Midwestern town; as they untangle a web of lies and deceit, police discover that a religious leader hides some sinful secrets.

When a wife and mother is horrifically murdered in a wealthy suburb, police uncover a hidden world of sex and drugs that leads them to a killer they never expected.

Police in Michigan, struggling to solve the murder of a beloved scrapyard owner, get a break in the case when an ex-cop's suicide note exposes a web of lies and a secret affair.

Married for 33 years, a respected high school math teacher and his wife head to Las Vegas to celebrate her 50th birthday; when Evie Watson disappears, however, police from two states join forces and play a game of cat and mouse to catch her killer.

A loving grandfather and the life of the party, Harvey Huber's vanishing forces his small-town into an anguished search to find him; a late-night hunch from a member of the vaunted Texas Rangers reveals a shocking betrayal of love and friendship.

When 21-year-old Julie Gonzalez disappears in Austin, Texas, her family is determined to find her and never gives up; after a slow start, law enforcement uses a national television appearance and a gaming device to expose the deadly truth.

Dawn Sandoval is hoping to start over after a recent divorce, but as soon as she dives into the dating world she vanishes into thin air, leaving behind a mystery in the New Mexico desert that ends with a horrifying discovery.

A California woman's two former husbands are mysteriously murdered nearly 20 years apart; Keith Morrison reflects on the case that sent him halfway across the world on a hunt for answers.

A pink gun leads to an arrest when a complicated Texas love triangle ends in murder, but new evidence makes investigators rethink the case.

When a small-town Alabama resident is murdered, rumors involving a local pastor begin to swirl.

A former ballerina shoots her husband in what she alleges was an act of self-defense; the ensuing investigation and dramatic trial spark protests and receives national attention.

A young Tennessee woman vanishes and misses her family's Thanksgiving dinner; determined to track her down, her family takes matters into their own hands.

For Keith Morrison, this case stands out as an unusual mystery; the crime seemed arbitrary with no apparent motive; there was a confession which might have ended the investigation but that was only the beginning.

A young Tennessee woman vanishes and misses her family's Thanksgiving dinner; determined to track her down, her family takes matters into their own hands.

Dennis Murphy reported on the twists and turns of the Jennifer Dulos case.

Keiona Braxton excitedly awaits the birth of her first child, but when detectives are called to her burning apartment, they uncover a scene of unparalleled violence and use the clues on Keiona's own body to point them to the killer.

Single mother Nicole Halpin is murdered in her home and her two children witness the attack, but justice will prevail when detectives sift through a list of Nicole's admirers to find her killer.

Money and greed tear two close-knit California families apart.

Money and greed tear two close-knit California families apart.

Friends of accused murderer Robert Durst talk about his recent arrest in New Orleans and his whereabouts over the past 30 years.

When 78-year-old Ina Gross is viciously murdered, suspicion falls on one of her own children; the siblings stand together until the truth is revealed.

Soon after Cathy and Jeff Lamb rekindle their marriage, Cathy is found savagely beaten to death in their home; with the couple's three dogs as their only witnesses, detectives untangle a number of complex relationships to find her killer.

When 24-year-old Terry Rouse disappears near a southern Georgia swamp, his devastated mother relentlessly pursues a one-woman investigation that runs parallel to law enforcement; what she and the detectives ultimately uncover shocks everyone.

The sudden disappearance of Manjit Panghali sparks a massive search for the pregnant mother; investigators uncover a tight-knit immigrant community in shock, a family in mourning and a killer relationship exposed.

Newly single Michele Davis is killed when her car careens off an Iowa highway; what looks like an accident is anything but, however, as investigators peel back the layers of her life and discover a motive for murder.

Firefighter Ben Amato is callously murdered, but the case goes cold; a jailhouse snitch, critical clue and seemingly unrelated homicide expose a sinister plot as investigators stay on the trail of a heartless killer.

Young mother Elizabeth Ferrell goes missing in Texas as a body is found in Louisiana; as detectives connect the dots between the two cases, secrets rise to the surface and reveal a tale of love, betrayal and revenge.

Jacquelyn Smith is stabbed to death in Baltimore, in what appears to be a random act of violence; as detectives dig deeper, they uncover a diabolical plan, vicious lies and a killer relationship.

When an aspiring actress is found brutally murdered, authorities discover family secrets and a forbidden love affair.

Farmer couple brutally murdered, setting off an investigation that exposes a startling motive fueled by lust and desperation.

Air Force veteran falls victim to unthinkable crime; search for the truth reveals a twisted tale of revenge and two suspects no one expected.

A loving husband and father goes missing, triggering a police investigation that uncovers an illicit romance fueled by deadly passion.

A good Samaritan falls victim to a brutal crime, leading police on a manhunt for a pair of killers fueled by envy and rage.

When a family falls victim to a devastating crime, the search for the killers lays bare a twisted romance and a motive no one can believe.

A loving couple is gunned down outside their home, setting in motion a cross-country investigation to track down an unlikely killer and a motive for revenge.

After a soldier is murdered on New Year's Eve, the quest for the truth reveals a deadly plot driven by temptation and obsession.

A beloved police officer's murder takes years for his brothers in blue to solve, ultimately revealing a conspiracy born out of lust and greed.

A shocking double murder and kidnapping springs police into action to stop a pair of deadly lovers before they can kill again; a surviving victim recounts the harrowing ordeal.

A beloved grandmother and her new husband go missing, triggering an investigation that reveals a twisted tale of first love and a motive fueled by obsession and greed.

Ed Bozarth lives life on the sea, but paradise turns deadly when the dashing adventurer is found dead on his boat in Key Largo; just below the surface, investigators discover a secret past, a life full of intrigue and enemies within.

When beloved ER nurse and mother Becky Bliefnick is found shot to death in her bathroom in Quincy, Ill., residents fear a killer has come to town; detectives discover this seemingly perfect Midwestern community has monsters of its own.

When a mother of four dies unexpectedly on Valentine's Day, her death is attributed to natural causes, but a detective suspects that someone murdered the woman.

When a mother of four dies unexpectedly on Valentine's Day, her death is attributed to natural causes, but a detective suspects that someone murdered the woman.

The investigation into the death of a Florida firefighter reveals a tale of secrets, lies and infidelity.

When a woman returns two days after being reported abducted, authorities believe it's a hoax until a similar crime forces them to take another look.

A hairdresser-turned-detective uncovers the truth behind the murder of a teenage girl at a scenic spot on a Utah river.

When a young pregnant mother goes missing in Virginia, her family embarks on a search, but the case goes cold; years later, investigators find a woman who may hold the key to solving the case.

A young Tennessee woman vanishes and misses her family's Thanksgiving dinner; determined to track her down, her family takes matters into their own hands.

A college student is found murdered and the case sits cold for nearly 40 years; Josh Mankiewicz reflects on the vow that keeps the case alive and the innovative method used to catch the killer.

In 2012, a tight-knit Las Vegas neighborhood is shattered by the murder of a mother and daughter in their home; investigators must analyze a crime scene soaked in rage to help stop a killer before they strike again.

When a garbage bag containing a young woman's body is dumped in a NYC tunnel, Barbara Butcher and a rookie homicide detective unravel how a seemingly straightforward crime conceals a chain of forensic contradictions, and a killer no one saw coming.

Buried in the desert lies more than just a body, but a legacy that rides the line of love and hate; Barbara Butcher investigates a murder, where the motive festers across generations before exploding into violence.

A cherished grandmother is found murdered in her Bronx apartment; Barbara Butcher returns to the scene to retrace every step - and decode how the victim's body holds clues to a carefully hidden motive.

Siegler and McClary travel to Camp Hill, Ala. to search for new clues that may help solve the 2005 murder of a beloved community member.

Kelly and Yolanda try to determine if it was an accident when a clock radio is found in a bathtub full of water with a woman.

Kelly and Yolanda must find the person who brutally stabbed a woman to death amongst multiple suspects.

The "Cold Justice" team tackles the disappearance of a loving mother who allegedly disappeared during a family vacation; the investigation uncovers evidence that she never left town alive.

Kelly and Steve investigate the mysterious murder of a devoted mother of four, found stabbed to death in her van with her wedding band on the floor; was an alleged secret affair behind the shocking crime?

The team digs into the 1983 murder of a dedicated mother of six, stabbed in an apparent carjacking; clues at the scene hint that a dangerous man from her past may be responsible.

Barbara Butcher steps back into the 1997 murder of Jonathan Levin, a beloved Bronx teacher, and reveals how her inestigation withstood intense scrutiny and helped detectives uncover a truth more disturbing than anyone could imagine.

A sneak preview of Oxygen's new series, Killer Grannies.

Kelly and Steve join the Searcy Police Department to untangle the mystery of a popular hairstylist, murdered on the night of her thirtieth birthday; is it an old flame, a new boyfriend or someone else entirely?

The team digs into the 1983 murder of a dedicated mother of six, stabbed in an apparent carjacking; clues at the scene hint that a dangerous man from her past may be responsible.

Barbara Butcher steps back into the 1997 murder of Jonathan Levin, a beloved Bronx teacher, and reveals how her inestigation withstood intense scrutiny and helped detectives uncover a truth more disturbing than anyone could imagine.

Popular high school senior Chris Daigle mysteriously disappears from Missouri City, Texas; for nearly a decade, his mother will stop at nothing to get answers while keeping friends close but enemies closer.

When Melissa Henderson is found dead in her bed, a perplexing mystery ensues; her husband and family believe her death is from natural causes, but the clues lead investigators to a secret life of spying and jealousy and ultimately to a killer.

The investigation into the disappearance of a mother of three in Colorado reveals she was living a double life.

The investigation into the disappearance of a mother of three in Colorado reveals she was living a double life.

Through rarely-seen interviews and footage, a new look at the Manson Family murders that gripped the nation during the summer of 1969.

A detective comes face to face with a serial killer when she promises to get justice for the mother of a victim whose body turns up at an Anaheim trash facility.

Two suspects are arrested for the murder of a millionaire 15 years after the crime was committed.

Jack Rains, an 83-year-old veteran and retired State Trooper, is gunned down at his kitchen table, shot five times in the back of the head; his family and the community are stunned as detectives uncover a tangled web of secrets, misdeeds and deceit.

Popular teacher and single mom, Bianca Tanner, is embarking on a new chapter in her life with multiple admirers, when she suddenly vanishes; to uncover her fate, detectives investigate each suitor to determine who is genuine and who is a killer.

Popular TV anchor, Diane King, is a local celebrity, passionate advocate and a loving wife and mother; when she gets murdered in her driveway, however, the investigation reveals a twisted tale of sex, lies and stalking.

Family man and all-around nice guy, Trent Mallory is murdered in his sleep in rural upper Michigan; sorting through multiple suspects and motives, the police set a trap to catch his cold-hearted killer.

Serving a life sentence for the brutal stabbing of her own mother, Taylor Marks discusses the murder on camera for the first time ever; she claims she wasn't the mastermind behind the crime, but she knows who is.

Haunted by the events leading up to her conviction, Jamie Grachek is ready to tell her story for the first time after eight years behind bars and explains her version of what happened the night a violent home invasion left her ex-husband dead.

Featured in the first-ever episode of "Snapped," Celeste Beard Johnson returns 18 years later to reveal new details surrounding the murder of her millionaire husband and speaks out against those who support her conviction - including her daughters.

After spending 20 years in prison for a crime in which she claims no involvement, Lucille Duncan breaks her silence for the first time; she details the harrowing events that led to the shooting of her ex-boyfriend and her hopes of freedom.

Serving a life sentence for the murders of her father and his girlfriend, Tabitha Messina explains what happened on camera; she claims she wasn't the mastermind and shifts blame onto her convicted co-conspirator.

Cristina Rodriguez shares her experience watching her then-lover beat her boyfriend to death, and how it felt when he testified against her; a second convicted killer reveals his side of the story with new details.

Serving life sentences for the double homicide of their former roommates, Afton Ferris and Michael Schallert give exclusive interviews about the night that changed their lives forever; each tells their side of the story with new allegations.

An expectant mother, Samantha Dean, is shot to death in an abandoned parking lot in Bastrop, Texas; as detectives dig deeper, they discover a diabolical plan, a shocking betrayal and a killer relationship.

A beloved chef and cooking instructor is found shot to death at work, and investigators are left baffled; but when a loved one's strange behavior draws their attention, detectives discover the killer has been right in front of their eyes.

Serving life sentences for the double homicide of their former roommates, Afton Ferris and Michael Schallert give exclusive interviews about the night that changed their lives forever; each tells their side of the story with new allegations.

An expectant mother, Samantha Dean, is shot to death in an abandoned parking lot in Bastrop, Texas; as detectives dig deeper, they discover a diabolical plan, a shocking betrayal and a killer relationship.

A beloved chef and cooking instructor is found shot to death at work, and investigators are left baffled; but when a loved one's strange behavior draws their attention, detectives discover the killer has been right in front of their eyes.

The sudden disappearance of Manjit Panghali sparks a massive search for the pregnant mother; investigators uncover a tight-knit immigrant community in shock, a family in mourning and a killer relationship exposed.

Newly single Michele Davis is killed when her car careens off an Iowa highway; what looks like an accident is anything but, however, as investigators peel back the layers of her life and discover a motive for murder.

When Jaclyn Martin's life of comfort is jeopardized, she orchestrates the killing of her husband, a beloved neighborhood bar owner.

The death of a mother of five tests a family's loyalty.

The death of a mother of five tests a family's loyalty.

A group of adventurous Americans thought they had stumbled into paradise on the warm waters of a tropical hideaway.

After a devoted father is found murdered in his home, Indiana investigators learn just how manipulative and deadly a person's envy can be.

After a wrathful killer strikes a small Alaskan village, investigators must untangle a truly twisted romance to find out what led to this rage-filled stabbing.

After a young California father is ambushed on the steps of his own home, Santa Clara detectives uncover a complex murder plot that ultimately leads them to an unexpected mastermind who's been hiding in plain sight all along.

When a prominent insurance salesman is gunned down on a country road in Kinston, North Carolina, a 20-year-old secret comes to light and casts a shadow on a killer's flawless reputation.

When a small-town preacher is hospitalized with a mysterious illness, North Carolina police uncover a string of suspicious deaths centered around a Burlington woman who has a hidden dark side.

The peaceful life of a retired North Carolina couple is shattered when a husband's body is found in his own garage, leaving investigators to sort out fact from fiction with the help of his wife.

After a bizarre account of suspected false identity is reported, authorities uncover a long history of an evasive criminal and launch a nationwide hunt to catch a killer who uses Southern charm as a weapon of deception.

When an airman from Lee, Maine vanishes only four months into his marriage to a country girl from West Texas, it triggers a multi-agency investigation that exposes a darker side to southern hospitality.

As Pennsylvania police investigate the gruesome murder of a grandmother in her own home, detectives sort through a web of lies and nefarious activities before ultimately going toe to toe with a cold-blooded killer.

After a hardworking mother is trapped and killed in a California house fire, investigators sift through multiple theories to figure out who could have ignited the deadly blaze.

A family man is gunned down on the side of the road in a small town in Texas, and detectives unearth a perpetrator who's hiding more than one shocking skeleton in the closet.

Small town McNeil, Ark., is grief-stricken after a retired sheriff is suddenly shot to death; when the case appears to be closed, a killer strikes again, and another local hero is struck down.

Sleepy Seadrift, Texas, is unnerved by the death of a local landscaper after evidence at the scene of an apparent hit-and-run points to a deceptive killer with a dangerous past.

Serving life sentences for the double homicide of their former roommates, Afton Ferris and Michael Schallert give exclusive interviews about the night that changed their lives forever; each tells their side of the story with new allegations.

The deadly beating of a young man in West Liberty, Iowa, sits unsolved for 25 years, until cold case detectives are approached by an unexpected witness.

An investigation into the disappearance of a devoted father leads Arkansas police to a shocking crime scene, the search for answers reveals gang threats, and a killer that's willing to go to great lengths to escape justice.

A former ladies' man has a change of heart when he falls for a pious day care worker, but when his body is found floating in a creek, detectives discover there's more to their relationship than meets the eye.

The American dream of a hard-working immigrant is cut short when he is violently murdered with a hatchet in the streets of a Las Vegas suburb; investigators sift through lies and follow a bloody trail to uncover the shocking truth.

An investigation into the murder of a New York businessman zeroes in on a family member whose plush lifestyle launches a tabloid frenzy; a closer look reveals the suspect's inner demons calling the greedy motive into question.

A beloved chef and cooking instructor is found shot to death at work, and investigators are left baffled; but when a loved one's strange behavior draws their attention, detectives discover the killer has been right in front of their eyes.

An expectant mother, Samantha Dean, is shot to death in an abandoned parking lot in Bastrop, Texas; as detectives dig deeper, they discover a diabolical plan, a shocking betrayal and a killer relationship.

The mysterious and near fatal shooting of an America security analyst outside Washington, DC may be linked to the murder of a Russian agent in London.

After teenagers Rachel Shoaf and Sheila Eddy are convicted of murdering their 16-year-old friend, Skylar Neese, Skylar's parents discuss the night she disappeared; Rachel Shoaf's therapist, Patricia Bailey, shares her thoughts.

A verdict is given in the case of a woman found murdered just three months after being married.

A murderous ripple spreads through a lovely New England town when a ghastly discovery is made in a backyard barn; the search for answers uncovers troubling questions about a doting mom and everyone is a suspect until the truth is finally uncovered.

Federal agents descend on a tiny Ohio town after a beloved girl goes missing; fearing their cornfields harbor a terrible truth, theories abound and panic spikes in this serene community; it's a race against time as investigators close in on a killer.

Investigators in York, Penn., enter a dark world of buried secrets after a couple makes a stunning discovery in their backyard; a brother appears desperate to find his sister, but in a strange twist could lead detectives to a staggering truth.

A case of identity theft in the Arizona desert takes a blood curdling turn when investigators make a ghastly discovery in the most unlikely of places; a beloved man may have been living in fear.

A southern California community is gripped by fear when one of its own vanishes without a trace; when a teen disappears, they fear a backyard park has become a hunting ground; a vicious predator must be stopped before it's too late.

When a Florida teen tending to some yard work digs up a frightening scene, investigators find themselves in the middle of a twisted affair; a wild trail of evidence leads them across three state lines and the discovery of an astounding truth.

A young man calls 911 to report that his fiancee fatally shot herself in their bed; her family insists she would never take her own life; the investigation drags on for years, until an unexpected development leads to a stunning conclusion.

An 80-year-old woman is found in her home lying in a pool of blood; her death is ruled an accident, but her family suspects foul play.

A decorated war hero is found in his home, the victim of an apparent drug overdose. Investigators uncover a twisted story of fraud and betrayal that leads to a stunning conclusion.

A weekend trip to an Alaskan lodge turns deadly for a young mother when she's killed by her boyfriend; the death is ruled an accident and the case is closed until an eerily similar incident in Montana drives investigators to reopen the case.

A pastor places a frantic call and pleads for help to save his fiancée, who, he says, just shot herself, but as investigators look closer at the crime scene, a darker side to this happy relationship stuns everyone.

Investigators uncover a web of lies a decade after a couple's romantic evening atop Rockefeller Lookout in New Jersey ends with the wife's tragic death.

A man denies killing a pedestrian in hit-and-run, claiming he sold the car in question; authorities track down the car to find critical evidence.

Three years later, a second autopsy determines who's right when a medical examiner and detectives disagree on the cause of death.

Hit-and-run boating accident that kills a popular young man causes investigators to search for one boat out of thousands.

A woman is found dead on her bedroom floor, the only clue is a bloodstained sheet; breakthrough forensics enable police to identify the killer.

A young man is killed in a mysterious car crash, but the evidence at the scene lead investigators to believe it is not an accident; forensic science reveals what really happens, and the truth devastates three families.

A woman is found dead, police use blood evidence and computer forensics to convince a jury that the murderer is guilty.

When an elderly woman dies in an apparent robbery-homicide, evidence suggests the suspect broke out of the house rather than breaking in.

Wealthy man is shot dead while his wife is forced to open their hidden safe, but they couldn't be identified because they were wearing ski masks.

The bomb was constructed to cause as much damage as possible and it did, killing the victim with deadly force and flame; a painstaking search yielded tiny clues, which identified the killer as surely as if he'd signed them.

A twelve-year-old girl claims that she was abducted and sexually assaulted; her story seems unbelievable until police discover fibers on her clothing.

A man calls for help when his wife has a fatal fall down the stairs; numerous amount of bloodstains make police suspicious.

A decade old case reopens, and a few seconds of a 911 call enable investigators to determine who is responsible for a murder.

A flawed envelope is an unlikely clue to identifying a killer who laced a water cooler with cyanide and caused the death of a woman.

A mussel diver and his fiancée are found dead in their burnt home; a tiny clue points to arson and murder.

An expectant mother, Samantha Dean, is shot to death in an abandoned parking lot in Bastrop, Texas; as detectives dig deeper, they discover a diabolical plan, a shocking betrayal and a killer relationship.

Serving life sentences for the double homicide of their former roommates, Afton Ferris and Michael Schallert give exclusive interviews about the night that changed their lives forever; each tells their side of the story with new allegations.

When a young woman is found nearly murdered in her apartment, officials wonder if it is connected to the disappearance of a young woman in nearby Denver weeks earlier.

When a young woman is found nearly murdered in her apartment, officials wonder if it is connected to the disappearance of a young woman in nearby Denver weeks earlier.

Sandi Johnson, who always put her kids first, vanishes without a word; police discover dark secrets in Sandi's marriage and several men in her life.

The execution-style murder of a Fountain Valley wife and mother shocks the OC and leaves police with no leads on motive; the community bands together to find justice until a similar shooting reveals the truth behind a murder plot gone awry.

The Sachs family seems to be living the OC life in its hilltop mansion when the family is suddenly torn apart by a vicious shooting in the middle of the night; Investigators reveal a surprising list of enemies who had the victims in their sights.

Thomas and Jackie Hawks live aboard their luxury yacht until their disappearance sparks an investigation that turns on the alleged sale of their yacht.

The larger-than-life owner of a strip club empire is mowed down with a machine gun before the gates of his Orange County estate; the secrecy surrounding the clubs and their employees makes the case extremely challenging for investigators.

A doting husband and father mysteriously disappears from his rural town just outside Atlanta; when his body is discovered stabbed and bludgeoned to death in the woods, detectives uncover evidence of a love triangle that led to a conspiracy.

When a young entrepreneur is shot and dumped in a rural well outside Atlanta, detectives search frantically for clues as to who committed the horrific murder.

In the '90s Atlanta tech boom, an IBM programmer is found shot to death and surrounded by cocaine in his home; as detectives dig deeper into the past of this tech phenom and family man, they're shocked to discover all isn't what it seems.

Peachtree City socialites Ruby Joyner and Halima Jones are found murdered in a van, igniting a frenzy within their wealthy community; when police dig into the women's personal lives, they uncover a secret that blows the case open.

Michelle Young was married to her college sweetheart and pregnant with their second child when she was murdered; in the search for her killer, detectives uncovered a marriage riddled with secrets but cracking this complicated case took years.

She was beautiful, trusting and troubled; the young woman from a prominent family was just turning it around and realizing her promise; then she vanished; when the police seemed unable to find her, her family hatched a plan to solve the mystery.

After four people turn up dead, investigators chase a serial killer who may be reenacting scenes from a horror movie released in the 1980s.

When a young pregnant mother goes missing in Virginia, her family embarks on a search, but the case goes cold; years later, investigators find a woman who may hold the key to solving the case.

When Rob Limon is murdered at work, the investigation uncovers deep secrets about sex, friendship, religion, and family; it is a case featured in Dateline's chart-topping podcast Deadly Mirage.

The neighbors enjoy mixing business with pleasure then a murder makes them face the reality that a killer is in their midst.

When Rob Limon is murdered at work, the investigation uncovers deep secrets about sex, friendship, religion, and family; it is a case featured in Dateline's chart-topping podcast Deadly Mirage.

A crime takes place in Florida but detectives don't discover a motive for murder until they look into a tropical island thousands of miles away, where a festering grudge was born.

A man convicted of murdering a woman in her upscale Austin, Texas, home tells his story for the first time.

A man convicted of murdering a woman in her upscale Austin, Texas, home tells his story for the first time.

Byron Smith claims he shot two teenagers in self-defense when they broke into his home on Thanksgiving Day, but investigators suspect there's more to his story.

Kelly and Yolanda are faced with the difficult task of finding the killer of a young mother who was shot in her car while pulled over on the side of the highway.

Kelly and Yolanda travel to Fort Wayne, Ind., to investigate the 1993 murders of a young mother and her 6-year-old daughter.

Kelly Siegler and her team of investigators dive into a small town murder case that lingered for years without answers or justice that Kelly has never forgotten.

Kelly Siegler and Johnny Bonds aid local law enforcement and dig into their freshest case yet, the 2-year-old disappearance of a professional photographer; DNA testing and cell phone data analysis could be the key to cracking the case.

The mysterious disappearance of an elderly New York socialite leads to the investigation of Sante Kimes and her son, Kenny.

The truth behind the brutal deaths of a prominent and wealthy couple in Libertyville, Ill., remains dormant until 15 years later when a new police task force exposes a murderer who let money remove the sense of consequence.

When a successful Texas lawyer and his wife are executed while sleeping in their bed, Houston police team up with a private investigator, who gets dangerously close to a killer, to uncover a greedy mastermind who proves that privilege can be deadly.

When the half-dressed, partially frozen body of a Navy veteran is found lying in a ditch, rumors and lies will challenge detectives' efforts to lay bare the truth behind the chilling death.

An aspiring Playboy model is murdered in Miami; a seven-second clip of her last moments alive are caught on security video and could hold key clues; the haunting images make this case one of Dennis Murphy's most memorable.

When a pastor loses a second wife in an accident, authorities become suspicious; Dennis Murphy returns to this unforgettable story of evil and betrayal, wondering how far this man of God might have fallen.

Years after a Montana man is found dead, his son searches for answers; Keith Morrison cannot forget the son who opened a box and faced a terrifying family secret.