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.

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

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

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.

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

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

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

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.

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 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 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.

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 foreclosure leads police to a concrete grave and a twisted plot of deception, fraud and murder, as one woman goes to extraordinary lengths to avoid justice.

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.

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.

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

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

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.

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.

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 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 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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 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.

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

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.

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 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.

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 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.

Secrets emerge and a family is torn apart when a cop's wife is shot to death in her bed.

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.

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.

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.

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.

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.

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

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.

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 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.

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.

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.

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.

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.

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.

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.

Oscar Pistorius shoots and kills his girlfriend just eight months after competing in the London Olympics, telling police that he believed she was an intruder and he was acting in self-defense.

Nearly 40 years after a high school senior is found stabbed to death in her car after visiting the mall days before Christmas, investigators identify the killer.

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

A 21-year-old woman disappears after a late-night party, then her body is discovered years later in a nearby orange grove.

Kelly and Steve Spingola investigate the brutal slaying of beloved mother Eloise Payne, who was stabbed 38 times in her Michigan home; a mysterious car spotted in the area may hold the key to identifying her killer.

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

A deadly break-in pits mother against daughter.

A deadly fight exposes a mother's secrets.

Years after a deadly home invasion, a Texas woman faces new questions about the death of her mother.

When a young father goes missing, authorities suspect his illegal activities, but a revelation about the mother of his children turns the investigation upside down.

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

A healthcare worker is viciously attacked in her home with only her daughter as a witness; police must follow the clues at the scene to discover the truth behind the attack.

After a successful Korean-American business owner is killed during a home invasion, detectives believe his murder could be tied to a string of Philly crimes against businesses, until they uncover that the mastermind is someone much closer to home.

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 beloved North Philadelphia school teacher is ambushed in a Dunkin' Donuts drive-thru, detectives uncover a deadly plot involving jealousy, deceit, and revenge.

Nearly 40 years after young wife and mother Cathy Krauseneck is found murdered with an axe in her upstate New York home, a new team of investigators joins the cold case to uncover the killer.

When a beloved North Philadelphia school teacher is ambushed in a Dunkin' Donuts drive-thru, detectives uncover a deadly plot involving jealousy, deceit, and revenge.

When police respond to a domestic disturbance in a Bay Area suburb, it's unclear who on scene was the intended victim; further investigation reveals a body, a carefully collected kill kit, and a slew of evidence of a lethal plan for revenge.

Tragedy strikes rural Iowa as two women are found murdered in their homes; when a local bank is robbed the same day, investigators connect the crimes to an unfolding crime spree and race to find the killer siblings before they can strike again.

A peaceful town is rocked by the murder of the young wife of a preacher's son; the investigation leads detectives to two brothers: one with a deadly ambition, and the other willing to do anything to earn his brother's love.

Amber Dubois disappears in the San Diego area and the search turns up nothing. A year later, Chelsea King disappears in a neighboring town. Investigators are determined to find out if the two cases are connected.

Amber Dubois disappears in the San Diego area and the search turns up nothing. A year later, Chelsea King disappears in a neighboring town. Investigators are determined to find out if the two cases are connected.

A man calls 911 to report that his pregnant wife has died by suicide; the case is closed until a suspicious house fire 24 years later leads police to question what really happened that day.

When police are unable to identify a young murder victim, a dogged investigator employs the help of armchair detectives and new DNA technology to find her killer -- and her identity.

A college student goes missing in broad daylight from her off-campus job at a softball field; investigators receive a mysterious phone call that changes everything.

When police respond to a domestic disturbance in a Bay Area suburb, it's unclear who on scene was the intended victim; further investigation reveals a body, a carefully collected kill kit, and a slew of evidence of a lethal plan for revenge.

A San Diego teacher and coach is gunned down on the street, leaving his students and fiancée shattered; detectives swiftly retrace the suspect's steps to prevent future violence, while unveiling a sick, obsession-fueled murder plot.

When a young mother and her newborn daughter vanish from Austin, detectives and FBI agents rush in to bring them home but instead uncover a heartbreaking motive, and a nine-month-long scheme to carry out the ultimate betrayal.

After the search for a missing Florida couple leads to a chilling discovery in their garage, detectives follow the money trail to a surprising false identity that unlocks a deadly interstate scheme.

When a pregnant St. Louis elementary school teacher is found shot to death in her apartment, an unusual gun silencer, missing money, and the victim's own meal plan help unlock a shocking and devious murder plan.

When a successful Palm Springs art dealer goes missing, the search leads detectives through a complex web of charismatic conmen, luxury shopping sprees, and one small piece of evidence that uncovers an elaborate murder plot.

When a beloved mom is murdered in her suburban Connecticut basement, and her husband is found zip-tied to a chair, detectives pursue a camo-clad intruder and a twisted trail of digital evidence that uncovers a diabolical plan, months in the making.

A young woman vanishes from small-town Oregon after heading to a Halloween party, leaving her family devastated and detectives hitting dead ends. Years later, new evidence from an unlikely source reveals the gruesome plan to silence a vulnerable victim.

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.

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 house fire in a small town in Illinois ignites a homicide investigation after a mother's body is found in her bedroom. As police search for answers, a teenager's dark secret exposes an unexpected connection and a couple motivated by desperation.

After a former fire department volunteer dies in a house fire, inexplicable findings on scene, prison informants, and forged documents expose a duplicitous scheme, driven by insatiable greed, that began more than two years prior.

You're invited into a world of secrets and suspicion with a gripping Sneak Preview of Oxygen's new series, The Killer Among Us, hosted by Alan Cumming.

Death hits close to home when a Mississippi father of four is brutally killed on his own front porch; soon, a mother and son turn against one another as detectives work to untangle a murky tale of he said she said to close in on a killer.

A house fire in a small town in Illinois ignites a homicide investigation after a mother's body is found in her bedroom. As police search for answers, a teenager's dark secret exposes an unexpected connection and a couple motivated by desperation.

After a former fire department volunteer dies in a house fire, inexplicable findings on scene, prison informants, and forged documents expose a duplicitous scheme, driven by insatiable greed, that began more than two years prior.

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 ailing man isn't seen for weeks, and his family and friends grow concerned; when his wife is confronted about her changing stories, her revelation shocks the community, and everyone who knows and loves her as a dedicated grandmother.

A Florida woman is shot in her vacation rental, and the hunt for her killer connects back to a murdered Minnesota farmer; clues point to a doting grandmother living a double life, who then leads authorities on a multi-state chase.

An Oregon grandmother found wounded on the roadside tells rescuers that her husband is missing after a boat sale went awry; a manhunt ensues but as authorities investigate, granny's wild story unravels to reveal a darker truth.

A chance encounter on the Pacific Coast Highway with a woman he first spoke to in a jail cell leads Keith Morrison to reexamine the mysterious death of Las Vegas casino magnate Ted Binion.

A chance encounter on the Pacific Coast Highway with a woman he first spoke to in a jail cell leads Keith Morrison to reexamine the mysterious death of Las Vegas casino magnate Ted Binion.

When a University of Utah athlete is found murdered on campus, investigators learn that she had reached out to the campus police for help multiple times before her death.

After a 15-year-old girl disappears, investigators discover a creek where the local teenagers hang out; Dennis Murphy looks back on the case that kept him guessing until its astonishing conclusion.

In 1991, an international manhunt ensues after a British millionaire goes missing in Miami.

When a woman is found dead, investigators discover a toxic family dynamic.

A lonely man longing for affection finds the attention he needs in an unlikely person, but his desire has lethal ramifications.

A wife's betrayal leaves her jealous husband plotting revenge, and the consequences are deadly.

Two desperate, young lovers lead investigators on a cross-country manhunt full of murder and mayhem; hearing directly from one of the suspects in an exclusive interview.

A vacationing couple's disappearance exposes the horrific crimes of a murderous husband and wife.

The investigation into the brutal murder of a beloved husband and father exposes a web of lies and infidelity.

The disappearance of a young socialite in Charleston prompts a team of private investigators to unearth a betrayal at the hands of her two best friends, one of whom is a con artist with a secret.

When a single mother is found murdered in her home, the investigation exposes a twisted love triangle and a murder-for-hire scheme devised to kill the competition.

The ritzy ski resort town of Aspen, Colo., is turned upside down when a celebrated socialite is found murdered in her home, leading investigators to uncover a bitter feud between friends.

The brutal murder of a young Army specialist leads investigators to explore a complicated love affair fueled by obsession and jealousy.

A North Dakota community is rocked after a beloved mother is found stabbed to death in her home.As police look to those closest to her for answers, an informant comes forward and exposes a dangerous couple's vengeful plot.

A house fire in a small town in Illinois ignites a homicide investigation after a mother's body is found in her bedroom. As police search for answers, a teenager's dark secret exposes an unexpected connection and a couple motivated by desperation.

After a former fire department volunteer dies in a house fire, inexplicable findings on scene, prison informants, and forged documents expose a duplicitous scheme, driven by insatiable greed, that began more than two years prior.

A church congregation is shocked when a deadly home invasion turns out to be part of a scandalous web of sex, lies and greed.

The search for a missing man leads to a disturbing discovery years later deep in his wife's closet.

The death of a state trooper leads to an all-out hunt for his killer, but the evidence points to his new wife and a big secret.

An investigation into the fatal shooting of a husband of a popular teacher's aide uncovers infidelity, teenage hit men and an airtight alibi.

When a beloved North Philadelphia school teacher is ambushed in a Dunkin' Donuts drive-thru, detectives uncover a deadly plot involving jealousy, deceit, and revenge.

When a soldier vanishes from Fort Hood, her family do everything they can to bring attention to her disappearance; Secretary of the Army Ryan McCarthy speaks about the investigation and allegations of sexual assault in the military.

A 21-year-old college student is found murdered; the case remains cold for nearly 40 years until a new detective uses an innovative method to catch her killer.

The deadly 2020 shooting at U.S. District Court Judge Esther Salas' home, which killed her son and critically injured her husband.

Gary Hilton is a name Dennis Murphy will always remember; a hiker goes missing and authorities suspect Hilton is reenacting a slasher movie; Dennis reflects on the real-life murder spree that terrorized the American South.

When a pregnant woman goes missing, a grisly crime is revealed with a disturbing and unusual motive.

A killer targets law enforcement personnel.

Investigators have no shortage of suspects when a Wall Street millionaire is murdered in the middle of a bitter divorce; they must untangle a series of illicit affairs and dangerous liaisons to uncover the surprising identity of the killer.

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.

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.

Social climbers get remarried and blend their families; then, a mysterious disappearance leads investigators into a top-secret world of espionage, and a killer escapes justice for nearly a decade.

College sweethearts celebrate their love with a happily-ever-after wedding; within months, their fairytale marriage ends with bloodshed igniting a hunt for a charming and manipulative killer who may just get away with it.

A teenage Romeo and Juliet defy family differences to marry and have a baby boy, but their joy is shattered when violence rips the family apart; decades later, the cold case gets a lead that reveals deep family secrets and a web of lies.

A secretary is found shot in the head inside a suburban Philadelphia church, putting the close-knit congregation on edge; as gossip and theories swirl, detectives unfold a strange tale of jealousy.

A beloved matriarch is found viciously murdered in her suburban Philadelphia home; detectives investigate the victim's inner circle and uncover a killer hidden in plain sight.

Lead detectives break their silence on the investigation into once-prominent South Carolina attorney Alex Murdaugh.

Tipster is found dead after revealing that a woman's death 16 years ago was murder.

The murder of 53-year-old Paul Gruber is examined, and the evidence points to Darryl Robin Kuehl, who was later convicted of the crime.

A man states that a robber shot and killed his wife while they were on the beach, but a song he downloaded makes investigators suspicious.

Detectives discover new clues left by a stalker's letter to his victim.

The body of an insurance assessor is found in a river in Tampa, Fla.; a unique murder weapon and blatant clues lead the police straight to her careless killer.

When a high school athlete is killed in a hit-and-run accident, investigators hoped tiny paint chips and shards of plastic would lead them to the driver.

A woman is abducted and a month later found dead, then a tip leads investigators in the right direction.

How the bombs were made leads investigators in Colorado to find the perpetrator.

DNA profiling reveals clues leading to a killer's identity 20 years later.

A murder in Australia baffles police, until they find a device intended to save lives is the only witness to the man's death.

As a loving Oklahoma family embarks on a journey to understand the romantic relationship that led to a horrific murder, the relationship's secrets also reveal the killer responsible for two other murders from a years-old cold case.

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.

When a pathologist is found murdered in his home, the investigation reveals simmering jealousies and a love triangle.

When a pathologist is found murdered in his home, the investigation reveals simmering jealousies and a love triangle.

Two sisters determined to fulfill a promise investigate the mystery surrounding their mother's death.

Peter Tobin raped and murdered Angelika Kluk in 2006, and with the help of his ex-wife, Cathy Wilson, a groundbreaking investigation unearthed more victims and revealed him to be a serial killer.

Pam Wright discovers in 2006 that the unidentified killer who snatched five prostitutes from the streets of Ipswich and strangled them is her own partner.

After getting away with murder for over three decades, one of the FBI's most wanted shocks investigators when he readily admits to five murders; his son discloses a family life on the run and his attempts to step out of an evil father's shadow.

Tara Ord is a beautiful young woman with big dreams, then she vanishes without a trace; it will take years for determined cold case detectives to uncover the long buried clue that blows this case wide open.

A young man from small town Indiana heads to Japan where he falls for a beautiful woman; then, they are caught up in one of the biggest natural disasters in history.

A toddler is shot in the head and left for dead; despite the odds, she stuns everyone with her will to survive, while a detective vows to crack the case, no matter how long it takes.

When Debbie Hawk vanishes, her friends and family are left searching for answers; investigators discover that Debbie was planning to divulge secrets and wonder if she has been silenced as a result.

A U.S. Air Force captain who is deployed overseas for long stretches of time finds himself caught in the crossfire resulting from a love triangle at home.

When Bonnie Craig is found dead, police collect DNA but it doesn't match anyone in the system; twelve years later, there is a hit but the man is thousands of miles away; turns out, prosecutors would need more than DNA to convict a killer.

Newlywed Dalia Dippolito returns home from the gym to the awful news that her husband had been killed; in a case where almost nothing is as it seems, investigators want to know if Dalia is diabolical or an unwitting pawn in a hoax gone wrong.

When the dashing Gavin Smith vanishes, LA detectives are unsure if they are investigating a crime or a suicide; his wife claims he had gotten lost in drugs and flings; police wonder if the key to finding Gavin is hidden in one of those affairs.

Steven B. Williams, a DJ with a golden voice, vanishes in a mystery that stretches from California to Montana; the clue to it all is wrapped in a napkin, tucked in a cabinet and hidden in a library.

He dreams of being the next Steve Jobs, a young entrepreneur who wants to change the world; but his world comes crashing down one morning with four gunshots; this is a crime of passion: a fatal triangle involving a husband, a wife and a boss.