The murder of a beloved widower leaves police wondering what secrets his marriage, to his much younger wife, might be hiding.

In a jailhouse interview, Traci Wolfe reveals the catalyst that sparked an uncontrollable rage and ended in her husband's gruesome death; holding nothing back, she now reflects on the crime that landed her in prison for life.

An Air Force sergeant is gunned down in his garage revealing an elaborate conspiracy with an unlikely mastermind.

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.

A botched bank robbery and bomb-clad hostage lead Erie detectives through a bizarre, convoluted scavenger hunt that starts with a pizza delivery, ends with multiple victims, and was concocted by a deranged perpetrator who has plans to kill again.

Just weeks away from completing his sentence, an inmate is accused of murdering his cellie; a large woman with a personality to match loses everything to meth; an inmate causes a disturbance on the jail's transfer bus.

After a talented artist and musician goes missing, the investigation into his disappearance leads to a gruesome discovery in a historic Philly cemetery, revealing a sinister series of events.

Solitary confinement is one of the most common methods for disciplining inmates, but it's also a very controversial issue.

A look back at the 1997 murder of fashion designer Gianni Versace, including interviews with his long-time partner Antonio D'Amico, model Beverly Johnson, fashion journalist Hal Rubenstein, author Maureen Orth and more.

A look back at the 1997 murder of fashion designer Gianni Versace, including interviews with his long-time partner Antonio D'Amico, model Beverly Johnson, fashion journalist Hal Rubenstein, author Maureen Orth and more.

When a college student is found dead after a party, his mother gets the help of a new friend to get the case in front of a jury.

Three people are shot dead in a small Texas town, including two respected prosecutors; a clue that would connect the dots remains a mystery until an eagle-eyed investigator makes a stunning discovery.

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.

The original jurors who found Hollywood legend Robert Blake not guilty of murder after the shooting of his wife Bonnie Lee Bakley discuss their controversial verdict over a decade later.

A loving grandmother from a traveling community is found brutally murdered, shocking all; investigators soon uncover a web of lies, identity theft and millions in insurance fraud that point to who killed this sweet old lady.

A sexy teacher and her teenaged lover hatch a plot that rocks a nation.

A single mother becomes a murder victim while living a double life; a web of deception, sex and murder sends detectives on a multi-year hunt to figure out who could have murdered her.

A drug-crazed couple set off on a multi-state crime spree; a modern-day Bonnie and Clyde.

A man is found dead in the shower, and police have only two suspects, but to figure out who killed him and why, is not as cut and dry as it may seem.

A salesman and young hustler form a partnership in business and in romance; when a medical tragedy proves to be anything but natural, police uncover a twisted tale of sex, deception and conspiracy.

The abduction and murder of a pregnant woman and her fiancé from their Decatur home sends shockwaves throughout Atlanta; ransom calls and voicemails turn into digital breadcrumbs for investigators to track the killers down.

A couple of drifters befriend a good Samaritan with horrific results.

Twin daughters find their mother stabbed to death in their quaint suburban home, and the pressure for detectives to deliver justice is on; but when the shocking truth behind the murder comes out, the Atlanta community is left stunned and heartbroken.

Two ex-lovers reunite but their affair turns deadly when they conspire to get rid of his wife.

When a beloved Staten Island mother vanishes, NYPD detectives have a gut feeling she didn't run off and have trouble believing she abandoned her family; as they retrace her last known whereabouts, CCTV footage leads them to a horrific discovery.

An honor student falls in love with an ex-convict and becomes involved in a killing spree.

In the most expensive zip code in Manhattan, an aging, eccentric art collector is found strangled in his apartment.

When a beloved grandmother falls victim to a brutal crime, the search for her killers reveals a torrid romance between two young lovers willing to do anything to get what they desire.

When the owner of a Brooklyn pizzeria is gunned down in broad daylight in his backyard, the news publishes mafia theories, and the FBI joins the NYPD to investigate.

The unexplained disappearances of a young mother and her two sons in 1980 lead investigators on a three-decade quest for justice, exposing multiple murders and a homicidal love affair that left untold suffering and carnage in its wake.

A veteran police officer gets attacked in the line of duty; detectives make it their mission to bring his killer to justice; as they investigate a troubled Philadelphia suburb, they soon uncover a crime of the ultimate betrayal.

A loving couple are found shot to death in their home, forcing police to pursue a pair of desperate lovers on a cross-country manhunt.

When a hospital employee dies mysteriously on a Center City sidewalk, detectives uncover surveillance footage of the murder that leads straight to the doorstep of a suspected serial killer who may be tied to a string of unsolved crimes.

When a young woman is found tortured and killed after a camping trip with friends, police must unravel two couples' conflicting stories of depravity to bring her killers to justice.

Detectives in Washington, D.C., discover a puzzling connection between two women who disappeared two decades apart; an investigation reveals a sinister secret hidden along one of the busiest stretches of interstate in the country.

After two best friends are reported missing, Texas and Minnesota police team up to bring a suspected serial killer to justice; an accomplice shares her side of the story from behind bars, revealing chilling details of the crime.

When a young soldier goes missing just two days after his wedding, authorities fear the worst has occurred in their small Ohio town. Rumors of a sordid affair lead to a shocking betrayal that ended in not one, but two horrific crimes.

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.

A violent home invasion leads to suspicion about the victim's stepdaughter and a mystery man, but a startling confession reveals a more intimate betrayal.

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 popular cab-driver is shot dead on the job, but the search for his killer reveals his wife's secret prison visits, a torrid affair and a possible conspiracy.

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.

The murder of a beloved widower leaves police wondering what secrets his marriage, to his much younger wife, might be hiding.

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 Air Force sergeant is gunned down in his garage revealing an elaborate conspiracy with an unlikely mastermind.

For ten years, the disappearance of a college co-ed remained a mystery; new scientific testing cast a different light on a man who had been a suspect all along.

A botched bank robbery and bomb-clad hostage lead Erie detectives through a bizarre, convoluted scavenger hunt that starts with a pizza delivery, ends with multiple victims, and was concocted by a deranged perpetrator who has plans to kill again.

The murder of a popular hairdresser in Cleveland leaves police stunned and desperate for answers; an unexpected break comes when a routine traffic stop in a neighboring county uncovers a vicious and deadly plot no one saw coming.

After a talented artist and musician goes missing, the investigation into his disappearance leads to a gruesome discovery in a historic Philly cemetery, revealing a sinister series of events.

When a wife calls 911 to report her husband has been shot on a country road in Texas, officers rush to the scene.

Recently uncovered pages from John Hinckley Jr.'s diary, which he began writing after he was arrested for trying to assassinate President Ronald Reagan; an interview with the officer who questioned Hinckley after the attempted assassination.

A man uses a dating site to meet and murder a college student.

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.

Yingying Zhang, a student at the University of Illinois, misses a campus bus by seconds and then vanishes; as police trace the final moments before she disappeared, they discover a dark secret on campus that takes the case in a shocking direction.

Ashley Young has an active online presence and loves posting on social media; when she suddenly stops communicating with loved ones, her mother launches a search to find out why; a gruesome discovery leads to a tragic answer.

A loving grandmother from a traveling community is found brutally murdered, shocking all; investigators soon uncover a web of lies, identity theft and millions in insurance fraud that point to who killed this sweet old lady.

When a loving father of two is gunned down on his driveway, police uncover a hidden affair and workplace grudges before a nervous witness and chilling confession reveal a vicious vendetta from a killer no one expected.

A single mother becomes a murder victim while living a double life; a web of deception, sex and murder sends detectives on a multi-year hunt to figure out who could have murdered her.

When a family that runs a beloved vet clinic is gunned down, police investigate disgruntled tenants, a pet owner with an ax to grind and an estranged son; the case stalls until detectives uncover a twisted plot by someone who seemed above suspicion.

A man is found dead in the shower, and police have only two suspects, but to figure out who killed him and why, is not as cut and dry as it may seem.

Days after Lauren Giddings vanished, her body was discovered steps from her apartment; to catch her killer, detectives had to untangle a confusing web of clues and find a piece of evidence no one was supposed to see.

The abduction and murder of a pregnant woman and her fiancé from their Decatur home sends shockwaves throughout Atlanta; ransom calls and voicemails turn into digital breadcrumbs for investigators to track the killers down.

A dad is murdered in his garage; evidence at the crime scene leaves a puzzle for police; a neighbor's camera reveals a clue that investigators hope was key to solving the mystery.

Twin daughters find their mother stabbed to death in their quaint suburban home, and the pressure for detectives to deliver justice is on; but when the shocking truth behind the murder comes out, the Atlanta community is left stunned and heartbroken.

A man shoots and kills two teenagers breaking into his home; he says that he acted in self-defense; the investigation uncovers a piece of evidence that tells a different story.

When a beloved Staten Island mother vanishes, NYPD detectives have a gut feeling she didn't run off and have trouble believing she abandoned her family; as they retrace her last known whereabouts, CCTV footage leads them to a horrific discovery.

A talented, young art student is murdered; the killer left no fingerprints and no DNA; police zero in on three fellow students and, soon, the dark portrait of a killer began to emerge.

In the most expensive zip code in Manhattan, an aging, eccentric art collector is found strangled in his apartment.

When the owner of a Brooklyn pizzeria is gunned down in broad daylight in his backyard, the news publishes mafia theories, and the FBI joins the NYPD to investigate.

In Wisconsin, Steven Avery and his nephew, Brendan Dassey, are convicted of killing Teresa Halbach in a case that defies easy answers.

A veteran police officer gets attacked in the line of duty; detectives make it their mission to bring his killer to justice; as they investigate a troubled Philadelphia suburb, they soon uncover a crime of the ultimate betrayal.

Fitness executive Nicole Pietz is married to the man of her dreams, then she goes missing after failing to show up for dinner with her husband and friends.

When a hospital employee dies mysteriously on a Center City sidewalk, detectives uncover surveillance footage of the murder that leads straight to the doorstep of a suspected serial killer who may be tied to a string of unsolved crimes.

Debbie Kelly and Lars Itzo make their marriage of opposites work; then, Debbie is shot dead in the dark of night; investigators ask whether her death is a case of mistaken identity or the bloody end to a marriage gone bad.

Detectives in Washington, D.C., discover a puzzling connection between two women who disappeared two decades apart; an investigation reveals a sinister secret hidden along one of the busiest stretches of interstate in the country.

Diana Lovejoy and her husband welcome a baby boy, but their marriage crumbles; a bitter custody battle follows; fearing for her safety, Diane turns to a man skilled in self-defense, but as it turns out, someone else is in grave danger.

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

When a captivating, sweet-natured single mom is found dead in her garage, detectives in Frisco, Texas, uncover a series of potential suspects, all of them connected in different ways to her complicated and secretive life.

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.

Trust no one in this chilling preview of Oxygen's The Killer Among Us, hosted by Alan Cumming.

The fire breaks out before dawn; after the smoke clears, a mother of two young children is found dead; it's the tragic end to a life that held so much promise, but for investigators, it is just the beginning.

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 man makes a frantic call to 911 after finding his wife dead in a bathtub, but the couple's daughters lead police to investigate their father.

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.

Detectives believed two young children witnessed the brutal murder of their mother; the prosecution builds their case around what they thought those kids observed, but another version of events may be possible.

For ten years, the disappearance of a college co-ed remained a mystery; new scientific testing cast a different light on a man who had been a suspect all along.

A popular therapist suffers a deadly attack in her Hollywood Hills home and police must trace a trail of deadly obsession and rage to find her killer.

The murder of a popular hairdresser in Cleveland leaves police stunned and desperate for answers; an unexpected break comes when a routine traffic stop in a neighboring county uncovers a vicious and deadly plot no one saw coming.

A California woman's two former husbands are mysteriously murdered, nearly 20 years apart.

A California woman's two former husbands are mysteriously murdered, nearly 20 years apart.

When a South Carolina coroner arrives at the scene of a car accident to find his friend deceased, he notices some unusual markings on her face and begins to think her death looks suspicious.

After a man is found murdered, detectives search for a motive in the seemingly senseless slaying; after considering whether it was a case of mistaken identity or a robbery, investigators ask if secret desires caused a killer to strike in God's name.

Yingying Zhang, a student at the University of Illinois, misses a campus bus by seconds and then vanishes; as police trace the final moments before she disappeared, they discover a dark secret on campus that takes the case in a shocking direction.

A newlywed bride disappears during a freezing Canadian winter leaving police with few clues; the search for her uncovers an unconventional marriage leading to multiple suspects.

Ashley Young has an active online presence and loves posting on social media; when she suddenly stops communicating with loved ones, her mother launches a search to find out why; a gruesome discovery leads to a tragic answer.

Two young newlyweds move in with the groom's mom to build for their future, but when they mysteriously disappear, investigators embark on a cross-country manhunt for a cold-blooded con man and killer.

When a loving father of two is gunned down on his driveway, police uncover a hidden affair and workplace grudges before a nervous witness and chilling confession reveal a vicious vendetta from a killer no one expected.

Eight days before the wedding of their dreams, a couple's plans are derailed by a brutal murder; a detailed investigation unravels a murder-for-hire plot that leads them to suspect a member of the wedding party.

When a family that runs a beloved vet clinic is gunned down, police investigate disgruntled tenants, a pet owner with an ax to grind and an estranged son; the case stalls until detectives uncover a twisted plot by someone who seemed above suspicion.

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

Days after Lauren Giddings vanished, her body was discovered steps from her apartment; to catch her killer, detectives had to untangle a confusing web of clues and find a piece of evidence no one was supposed to see.

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.

A dad is murdered in his garage; evidence at the crime scene leaves a puzzle for police; a neighbor's camera reveals a clue that investigators hope was key to solving the mystery.

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.

A man shoots and kills two teenagers breaking into his home; he says that he acted in self-defense; the investigation uncovers a piece of evidence that tells a different story.

A man claims his wife died by suicide, but a suspicious house fire 24 years later raises doubts; Josh Mankiewicz remembers the suspect who could not stop talking.

A talented, young art student is murdered; the killer left no fingerprints and no DNA; police zero in on three fellow students and, soon, the dark portrait of a killer began to emerge.

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.

In Wisconsin, Steven Avery and his nephew, Brendan Dassey, are convicted of killing Teresa Halbach in a case that defies easy answers.

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.

Fitness executive Nicole Pietz is married to the man of her dreams, then she goes missing after failing to show up for dinner with her husband and friends.

Debbie Kelly and Lars Itzo make their marriage of opposites work; then, Debbie is shot dead in the dark of night; investigators ask whether her death is a case of mistaken identity or the bloody end to a marriage gone bad.

When an Iowa woman is attacked while home alone with her three children, the confrontation turns deadly; Dennis Murphy examines one of the most sophisticated criminal plots of his "Dateline" career.

Brittany Eldridge was nearly nine months pregnant when she was found dead in her apartment; investigators focused on two men they believed had a possible motive.

Diana Lovejoy and her husband welcome a baby boy, but their marriage crumbles; a bitter custody battle follows; fearing for her safety, Diane turns to a man skilled in self-defense, but as it turns out, someone else is in grave danger.

When Josh Mankiewicz gets asked about his most memorable stories, the name Dayna Herroz comes to mind; after her daughter and 10-month-old grandson are murdered, her quest for justice ends with a twist in a San Diego courtroom.

When a captivating, sweet-natured single mom is found dead in her garage, detectives in Frisco, Texas, uncover a series of potential suspects, all of them connected in different ways to her complicated and secretive life.

A pregnant woman vanishes before her own baby shower and her worried family raises the alarm as detectives unravel a chilling mystery; for Josh Mankiewicz, it was a heartbreaking case that stayed with him long after the cameras stopped rolling.

After a nurse and mother-of-three is murdered inside her Illinois home, investigators uncover security camera footage that could be key to solving the case.

Trust no one in this chilling preview of Oxygen's The Killer Among Us, hosted by Alan Cumming.

The fire breaks out before dawn; after the smoke clears, a mother of two young children is found dead; it's the tragic end to a life that held so much promise, but for investigators, it is just the beginning.

A bombshell more than a decade after the crime reignites the investigation into the death of Sarah Pagel's mother; Andrea Canning looks back at her emotional interview with Sarah, whose mom touched so many lives.

A man makes a frantic call to 911 after finding his wife dead in a bathtub, but the couple's daughters lead police to investigate their father.

Detectives believed two young children witnessed the brutal murder of their mother; the prosecution builds their case around what they thought those kids observed, but another version of events may be possible.

A well-respected firefighter and loving family man is found gunned down outside his Philadelphia home, sending police on a furious search for his killers; what they find stuns even the most hardened investigators among them.

The disappearance of a loving family in rural Arkansas leaves authorities searching for clues; a discovery puts them on the trail of ruthless killers driven by hate and revenge.

Secrets emerge and a family is torn apart when a cop's wife is shot to death in her bed.Guests: Natalie Morales, Craig Melvin..

Secrets emerge and a family is torn apart when a cop's wife is shot to death in her bed.Guests: Natalie Morales, Craig Melvin..

Key players in the case of Rod Covlin, a New York man who is found guilty of murdering his wife for her $5.3 million fortune and attempting to frame his then-teenage daughter, share their stories.

A teenage mother starts to make questionable choices when the father of her two children comes back into their lives; when the court grants custody to the father, she decides she must do whatever necessary to get them back.

After a man is found murdered, detectives search for a motive in the seemingly senseless slaying; after considering whether it was a case of mistaken identity or a robbery, investigators ask if secret desires caused a killer to strike in God's name.

Rowdy night at Chicago pub turns deadly when daybreak reveals mutilated body; police cross state lines to track a killer, but it will take an unexpected call and a brutal betrayal to finally solve this case and find justice.

A newlywed bride disappears during a freezing Canadian winter leaving police with few clues; the search for her uncovers an unconventional marriage leading to multiple suspects.

Family drama turns deadly when an ostracized mother-in-law calls on an old friend, who once had a connection to the mob, to murder her own daughter-in-law.

Two young newlyweds move in with the groom's mom to build for their future, but when they mysteriously disappear, investigators embark on a cross-country manhunt for a cold-blooded con man and killer.

When a house fire reveals the violent murder of an entire family, the town of Fishkill is shaken; state investigators dig into the victims' past and uncover disturbing connections while using the latest technology to find the killers.

Eight days before the wedding of their dreams, a couple's plans are derailed by a brutal murder; a detailed investigation unravels a murder-for-hire plot that leads them to suspect a member of the wedding party.

Sheriff's deputies find the bodies of a woman and her two sons beaten and covered inside her home.

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

A mother is found savagely murdered in her upscale home, leaving a father and son to blame each other; their airtight alibis lead detectives to a murder plot involving an estranged sibling with nothing to lose.

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.

Firefighters discover a body in the wreckage of a rural inferno and uncover a deep-seated dispute between a pair of stepsons and their surrogate father that may be to blame; police uncover stunning footage that reveals the truth behind the attack.

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.

A woman's sudden death in a Detroit hotel unravels a dark web of secrets, lies and deadly coincidences that hint at something far more sinister.

A man claims his wife died by suicide, but a suspicious house fire 24 years later raises doubts; Josh Mankiewicz remembers the suspect who could not stop talking.

A 10-year-old calls 911 after shooting his dad; it seems like a tragic accident until, nine years later, he reveals a darker truth.

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.

Found with a gunshot wound to her chest, a woman's family seeks justice for 20 years after the would-be murder suspect proclaims suicide.

The discovery of a body buried in a Delaware backyard launches police into an investigation that leads them on a twisted path through bizarre family ties, an unexpected love triangle and an unthinkable murder plot.

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.

Investigators believe a young woman left of her own accord, but her mother is convinced that someone close to her is hiding a big secret; a two-year search for the truth brings investigators to the backyard of a historic location.

The brutal murder of Sabrina's foster mother raised questions about her relationship with her foster father.

When an Iowa woman is attacked while home alone with her three children, the confrontation turns deadly; Dennis Murphy examines one of the most sophisticated criminal plots of his "Dateline" career.

Lynette flees the country when her ex-boyfriend is shot during a custody dispute; investigators face many challenges.

A brutal death reveals a disturbing family secret and pits mother against daughter.

When Josh Mankiewicz gets asked about his most memorable stories, the name Dayna Herroz comes to mind; after her daughter and 10-month-old grandson are murdered, her quest for justice ends with a twist in a San Diego courtroom.

The community must decide who to side with after a mother's fury leads to a shooting in the woods.

A pregnant woman vanishes before her own baby shower and her worried family raises the alarm as detectives unravel a chilling mystery; for Josh Mankiewicz, it was a heartbreaking case that stayed with him long after the cameras stopped rolling.

The discovery of a dismembered man rocks a close-knit town as shocking accusations spread about the alleged culprit and his doting mother.

After a nurse and mother-of-three is murdered inside her Illinois home, investigators uncover security camera footage that could be key to solving the case.

A young mother claims she was caught up in her boyfriend's murderous plan.

A bombshell more than a decade after the crime reignites the investigation into the death of Sarah Pagel's mother; Andrea Canning looks back at her emotional interview with Sarah, whose mom touched so many lives.

In a shocking turn of events, a mother must face her demons when her daughter gets left for dead after a vicious murder.

When a loving couple is discovered murdered execution-style in front of their Kansas home, police race to uncover the truth about who wanted them dead.

A shooting in the central Florida community of Deltona leaves a young man dead; while his fiancée mourns the death of her partner, police dig into their past to try and find out who would want to end their life together before it began.

Real estate developer Gary Triano lived large and when he was murdered there were whispers of a mob connection, an angry investor, or a mad ex, but the mystery took nearly two decades to unravel.

Real estate developer Gary Triano lived large and when he was murdered there were whispers of a mob connection, an angry investor, or a mad ex, but the mystery took nearly two decades to unravel.

Two Tulsa brothers fight for more than 20 years to prove their innocence after they were wrongfully convicted for separate murders.

A teenage mother starts to make questionable choices when the father of her two children comes back into their lives; when the court grants custody to the father, she decides she must do whatever necessary to get them back.

Rowdy night at Chicago pub turns deadly when daybreak reveals mutilated body; police cross state lines to track a killer, but it will take an unexpected call and a brutal betrayal to finally solve this case and find justice.

Family drama turns deadly when an ostracized mother-in-law calls on an old friend, who once had a connection to the mob, to murder her own daughter-in-law.

When a house fire reveals the violent murder of an entire family, the town of Fishkill is shaken; state investigators dig into the victims' past and uncover disturbing connections while using the latest technology to find the killers.

Sheriff's deputies find the bodies of a woman and her two sons beaten and covered inside her home.

A mother is found savagely murdered in her upscale home, leaving a father and son to blame each other; their airtight alibis lead detectives to a murder plot involving an estranged sibling with nothing to lose.

Firefighters discover a body in the wreckage of a rural inferno and uncover a deep-seated dispute between a pair of stepsons and their surrogate father that may be to blame; police uncover stunning footage that reveals the truth behind the attack.

A woman's sudden death in a Detroit hotel unravels a dark web of secrets, lies and deadly coincidences that hint at something far more sinister.

A 10-year-old calls 911 after shooting his dad; it seems like a tragic accident until, nine years later, he reveals a darker truth.

Found with a gunshot wound to her chest, a woman's family seeks justice for 20 years after the would-be murder suspect proclaims suicide.

The discovery of a body buried in a Delaware backyard launches police into an investigation that leads them on a twisted path through bizarre family ties, an unexpected love triangle and an unthinkable murder plot.

Investigators believe a young woman left of her own accord, but her mother is convinced that someone close to her is hiding a big secret; a two-year search for the truth brings investigators to the backyard of a historic location.

The brutal murder of Sabrina's foster mother raised questions about her relationship with her foster father.

Lynette flees the country when her ex-boyfriend is shot during a custody dispute; investigators face many challenges.

A brutal death reveals a disturbing family secret and pits mother against daughter.

The community must decide who to side with after a mother's fury leads to a shooting in the woods.

The discovery of a dismembered man rocks a close-knit town as shocking accusations spread about the alleged culprit and his doting mother.

A young mother claims she was caught up in her boyfriend's murderous plan.

In a shocking turn of events, a mother must face her demons when her daughter gets left for dead after a vicious murder.

A beloved Colorado postal worker and father is brutally gunned down on his daily route leaving authorities scrambling to piece together the evidence and find out who would want to execute this well-loved member of their community.

The apparent disappearance of a loving mother and wife seems to be an unsolvable puzzle, until a resolute Ohio detective teams up with an unlikely partner, the woman's heroic 11-year-old son.

A chance meeting at a nightclub ends in murder; those involved in the gruesome crime thought they had buried the secrets of the past, but a relentless team of investigators will stop at nothing to unearth the truth.

A chance meeting at a nightclub ends in murder; those involved in the gruesome crime thought they had buried the secrets of the past, but a relentless team of investigators will stop at nothing to unearth the truth.

Lester Holt spends two nights locked up and embedded inside the largest maximum security prison in America, the notorious Louisiana State Penitentiary, also known as Angola.