Seventeen years into her prison sentence for the poisoning of her ex-husband, Purdie Clark speaks out for the first time; when faced with questions about other lovers who died under suspicious circumstances, the interview takes a dramatic turn.

The disappearance of 19-year-old Alaska Native Sonya Ivanoff sends shockwaves through the small coastal city of Nome, Alaska; police scramble to find answers until a note is found in a stolen police vehicle telling the cops to back off or else.

The disappearance of 19-year-old Alaska Native Sonya Ivanoff sends shockwaves through the small coastal city of Nome, Alaska; police scramble to find answers until a note is found in a stolen police vehicle telling the cops to back off or else.

When a 23-year-old woman goes missing from a shopping mall in Plano, Texas, her family searches for her, and the police seek out who is responsible for her disappearance.

Andrea Canning looks back on the royal who has fascinated her since childhood, Princess Diana; she explores Diana's real story, including a look at her troubled marriage, turbulent life, and the investigation into her death.

A woman is found dead in an elevator, but her murder is just the beginning; as Barbara Butcher retraces the chain of evidence, she uncovers a domino effect of violence that leaves a trail of bodies across the Bronx.

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 two girls are heinously murdered, Houston acknowledges they have a gang problem; Kelly Siegler joins the prosecution of an unprecedented five death penalty trials in this shocking case that changed the rights for victims' families.

When former NFL star Antonio Armstrong and his wife, Dawn, are murdered in their own bed, detectives uncover a stray bullet, threatening note and web of complicated family dynamics that ultimately unravel, revealing a dark betrayal.

A paroled killer linked to the disappearance of young women forces police into a desperate manhunt; this shocking case unfolds against a backdrop of unfortunate legal and parole decisions that set Kenneth McDuff loose to become a serial 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 last precious moments of rising star Maple Batalia are captured on a security camera before she's gunned down at her college campus in British Columbia; a community grieves as a mother's anguished pleas for justice capture national attention.

Dino and Clara Pantazes run a successful bail bond business and their 20-year marriage is seemingly perfect; when Clara is gunned down at home, however, detectives wonder if an angry client is to blame or if there is more to their fairy-tale story.

The murder of a local café owner leads a small-town police force to uncover a diabolical scheme fueled by scandalous temptation.

A jealous teenager's brash act of violence thrusts a shadowy affair into the national spotlight; the surviving victim, Mary Jo Buttafuoco, sheds light on her side of the scandal that rocked America.

When the body of a beloved aircraft machinist is found stuffed in the trunk of his own car, investigators follow a trail of deception to a manipulative killer.

When a missing man's bullet-riddled body is found off the side of a road, police must dig into his complicated past to uncover the truth; the case hits a standstill until information about the victim's car comes to light and reveals a toxic romance.

When a Minneapolis realtor is murdered after an attempt on her boyfriend's life, authorities believe the heinous crimes are connected. A suspicious voicemail on the victim's phone reveals an intricate plot fueled by vengeance.

After a small-town man is found shot to death at a Missouri roadside park, the evidence trail leads detectives further into the man's complicated past where they uncover a wicked plot that no one saw coming.

Police follow a lead in a missing persons investigation to a 115-acre farm, unearthing the site of a gruesome crime and a seductive killer that will go down in New Hampshire history.

A loving father agrees to give his ex-wife a chance to reconcile; when his loved ones can't reach him, an unexpected tip is brought to Oklahoma police that uncovers a toxic love triangle and horrific crime scene.

When a beloved family man dies in a house fire, his wife and children must grapple with his unexpected loss.

A shocking murder shatters a tight-knit community; but the killer isn't an outsider-it's one of their own; as suspicion spreads and secrets unravel, everyone is a suspect.

A California Granny is thought of as a Mother Teresa to the downtrodden thanks to the boarding house she runs; but when a social worker raises fears for a missing client, investigators find that Granny's carefully tended garden hides horrors.

When a former hockey player discovers his wife murdered in their home, his daughter says she saw a burglar.

After a young mom is found dead on the side of a country road, 40 miles from her Knoxville home, investigators scramble to figure out how she ended up there.

Rocky Mountain National Park rangers question whether a woman's fatal fall was an accident or the result of an act of violence.

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.

The First Baptist Church of Madisonville, Kentucky is shocked when long time parishioner Anna May Branson leaves Sunday service only to be murdered in her home moments later. Investigators wonder if her killer is in the pews pretending to be a saint.

A shocking murder shatters a tight-knit community; but the killer isn't an outsider-it's one of their own; as suspicion spreads and secrets unravel, everyone is a suspect.

An up-and-coming Atlanta actor's dreams of stardom are shattered after he is viciously bludgeoned to death; when their last lead vanishes, homicide investigators turn to a new technology to help them pinpoint his cold-blooded killer.

A serial shooter terrorizes the quiet Atlanta suburb of East Point, leaving a trail of bodies and cryptic notes in his wake; with five shootings and counting, investigators race against the clock to find the killer before he strikes again.

A tight-knit Orthodox Jewish community is terrified when police respond to a mother's 911 call from her ransacked house to break down the locked bedroom door of her daughter, 18-year-old Aliza, to find Aliza naked and dead on the floor.

When devoted girlfriends are murderously attacked in their Park Slope Brooklyn home, the NYPD doubts the surviving partner's story; these suspicions outrage members of the LGBTQ community who demand the real killer be found.

At only 17, Catherine leaves hometown Ohio to come to New York with a dream of dancing on Broadway; three short years later she is found viciously stabbed to death in her Manhattan apartment, inches from a critical hidden clue.

After a young mother mysteriously disappears, all of Philadelphia unites in their efforts to find her. But as police begin peeling away the layers of her life, they discover the grisly truth behind what happened to her.

The violent murder of a young newlywed in the outskirts of Philadelphia confounds investigators for decades until the perseverance of detectives, combined with new technology, reveals her killer was closer than anyone anticipated.

A mystery in paradise unfolds when Sarm Heslop vanishes from her boyfriend's yacht; in a case that made international headlines, Andrea Canning recounts her memorable journey searching for a particular person of interest.

World-renowned snake breeder Ben Renick is found shot to death in a facility crawling with reptiles; Andrea Canning reflects on a crime scene unlike any she's ever seen, where the initial suspect was a 600-pound anaconda.

Detectives think they've solved a murder when they find the weapon and victim's blood in a man's flat, but the evidence may have been planted.

Detectives search for the bombers of two churches in Illinois, hoping that the materials used in the remnants of the handmade bombs will offer the clues to catch the culprits.

There was no apparent reason for the young, healthy college student to be dead; but when the medical examiner found the tiniest of clues during the autopsy, investigators were able to unravel the mystery of betrayal and revenge.

A woman is stabbed a hundred times and her body positioned in a suggestive manner. This could be a hate crime against women.

Police are able to create a composite sketch of a man burnt beyond recognition. But tracking the killer is more challenging.

By cutting a strand of a murdered man's hair into sections, forensics reveal a record of his last six months alive, and find he was frequently ingesting huge amounts of arsenic.

A bullet-riddled car, a missing driver, and no witnesses, an ambush or a random attack; the clue was something so tiny, it was measured in millionths of a meter.

Teenager is found half-naked with her throat slit; a single foreign hair found on her thumb may finger the killer.

Two women who lived in the same apartment complex were brutally murdered; the similarities of the crime scenes led police to believe they were dealing with a serial killer who hated women, and they had to find him before he struck again.

Weeks after a student vanishes, the body of an unknown female is found in the ashes of a fire 700 miles away; an alert policeman realizes the crimes could be connected.

Investigators face a growing list of suspects after a beautiful flight attendant is brutally murdered in her own home.

The assistant manager of the restaurant had been stabbed to death; police knew why he'd been killed: $8,000 was missing from the safe. As to who was responsible, his family and friends couldn't even imagine who'd want to hurt him.

Florida authorities rely on DNA evidence to try to nail the killer of a woman who was abducted from her late-night job at a convenience store, raped and strangled.

A wildfire in a secluded parking lot leads police to discover a dreadful homicide, with the suspect's image caught by security cameras.

A deadly high-speed chase in Montana leads "Dateline" on a search through 50 years of history to unravel the mystery of how one man turned into a monster and committed one of the state's most notorious crimes.

A deadly high-speed chase in Montana leads "Dateline" on a search through 50 years of history to unravel the mystery of how one man turned into a monster and committed one of the state's most notorious crimes.

Abducted at the age of four and raised by her kidnapper, a woman embarks on a journey of discovery.

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 murder plan.

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.

Rapper Meek Mill discusses controversies surrounding the criminal justice system, the parole system, wrongful convictions, challenges faced by law enforcement, alleged police abuse, and other topics.

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.

Ashlea Harris has no shortage of admirers, so when she is found dead after a suspicious fire consumes her apartment, police are baffled; the fire is no accident but the clues to who killed Ashlea may be up in smoke.

Brandy Daniels believes someone is stalking her, then the single mother is found slumped over in her car, shot dead; investigators spend years navigating the twists and turns searching for her killer.

An elderly socialite is reported missing from her stately New York City brownstone; when Sante Kimes and her son Kenny are arrested, an investigation reveals decades of crime, deception and murder that captivated the nation.

A woman's murder shines a light on an unsolved mystery from years earlier; as the connection between the two cases becomes clear, a long-hidden truth surfaces.

When 18-year-old Anjelica AJ Hadsell disappears, the investigation into her inner circle reveals a sinister betrayal.

A woman's murder shines a light on an unsolved mystery from years earlier; as the connection between the two cases becomes clear, a long-hidden truth surfaces.

When a young woman goes missing after a July 4th beach party, investigators have few clues to go on until a twist in the case reveals she might be the latest victim of a predator terrorizing the area.

An abandoned car filled with blood leads investigators on the trail of a missing woman and her teenage daughter, who never showed up to the family's July 4th party; when their remains are found in a pond, everyone in their small town is a suspect.

Twenty-seven-year-old Egypt Covington is found murdered in her home; investigators in Michigan quickly identify a person of interest, but years pass without an arrest.

Twenty-seven-year-old Egypt Covington is found murdered in her home; investigators in Michigan quickly identify a person of interest, but years pass without an arrest.

A respected military man is attacked and murdered in the middle of the night.

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 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 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 scavenger hunt that starts with a pizza delivery, ends with multiple victims, and is concocted by a deranged perpetrator who has plans to kill again.

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.

When Tina Sandoval disappears, her parents and loved ones spend years searching for her; Dennis Murphy takes a fresh look at the secret Tina kept and at the demon who forced her loved ones to make an agonizing decision.

The survivor of a horrible attack is convinced the police on the case have the wrong suspect. Keith Morrison looks back on his heart-wrenching interview with the victim and her courageous quest to uncover the truth.

After Todd Chance is murdered, police follow a trail of video evidence to track down their suspect; Andrea Canning recalls a particularly revealing interview, including an eye-popping detail.

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.

World-renowned snake breeder Ben Renick is found shot to death in a facility crawling with reptiles; Andrea Canning reflects on a crime scene unlike any she's ever seen, where the initial suspect was a 600-pound anaconda.

A package bomb explodes at a Southern California day spa, killing a beloved esthetician; Josh Mankiewicz looks back at a case where aftershocks were still being felt in a quiet community.

When Britney Ujlaky disappears, a small Nevada town bands together to track down an unknown cowboy who's a potential suspect; some stories are memorable for their twists, people or locations; this one checks all three boxes.

A package bomb explodes at a Southern California day spa, killing a beloved esthetician; Josh Mankiewicz looks back at a case where aftershocks were still being felt in a quiet community.

When a Navy officer succumbs to a mysterious illness after months at sea, nothing makes sense, until an autopsy yields a stunning revelation; all roads lead to dead ends, until they zero in on an unlikely target.

When a 71-year-old man is found shot dead in a field, investigators suspect his killing is the result of a robbery; as new evidence surfaces, detectives develop a theory to explain his death and only a voice from the grave can prove it.

A family begins a relentless pursuit of justice after the death of Nevada attorney Susan Winters is ruled a suicide; Susan's parents open up about the seven-year case and their efforts to push back against the criminal justice system.

A family begins a relentless pursuit of justice after the death of Nevada attorney Susan Winters is ruled a suicide; Susan's parents open up about the seven-year case and their efforts to push back against the criminal justice system.

A mother goes out for a morning jog and never returns; with minimal evidence, police search and finally find a tiny clue hidden in a computer.

When a young woman goes missing after a July 4th beach party, investigators have few clues to go on until a twist in the case reveals she might be the latest victim of a predator terrorizing the area.

An abandoned car filled with blood leads investigators on the trail of a missing woman and her teenage daughter, who never showed up to the family's July 4th party; when their remains are found in a pond, everyone in their small town is a suspect.

In the summer of 1976, the NYPD are chasing a man shooting at couples in parked cars with a gigantic, .44 caliber handgun; he taunts the city with terrifying letters until police get a lead about a suspect who has shot a neighbor's dog.

Chaos descends on Phoenix as two serial killers compete for the media's attention and the bodies pile up faster than the police can investigate.

Chilling confessions from a vicious slasher detail only some of his 100+ victims; when he's set to be the first serial killer ever released from prison, an eyewitness from decades prior could force justice on the man who vows to kill again.

Five corpses are found on the Florida hog trails; the investigation stalls until two men narrowly escape the perp's clutches; years later, eight more bodies are found in nearby woods, leaving police to wonder if it's the same evil killer.

Multiple unidentified bodies are found inside barrels in a New Hampshire forest; decades later, a murder 3,000 miles away reveals their connection to a serial predator who targets women and children, and changes his identity after every violent kill.

When the bodies of 12 Black women surface in Missouri and Illinois, the serial killer taunts authorities by sending a cryptic letter to the local paper; as disturbing video evidence emerges, the scope of his crimes is uncovered.

When droves of young gay men disappear in Indiana in the '90s, an amateur sleuth uncovers clues that point to a likely killer; with little physical evidence, the case stalls until a mind-boggling 10,000 bones are unearthed in a family's backyard.

An in-depth look at the journalists who exposed the dangers of cult leader Jim Jones.

A car belonging to a missing man erupts in a blaze, leading to clues regarding his whereabouts.

When hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if his interest in an alternative religion is connected to his murder.

A car robbery and Santa Claus bandit captivate headlines and the crime goes unsolved for years until a local man is found buried in the snow.

A man stumbles on a body in a neighbor's garage and Detroit police hope the victim's tattoo will help identify the victim and point them toward the killer.

A late-night gaming party goes dangerously wrong when a young teenager disappears from the coastal town of Everett, WA.

Three years after a beloved member of a small town goes missing, a torrential storm lets loose a dark family secret.

When a rebellious teen disappears on her way to a concert, clues point detectives to dark rituals deep in the forest.

A gruesome discovery is made at a construction site when a man is found buried beneath a newly installed septic tank.

A body is found ravaged by animals in the wily swamps of north Florida; investigators must use facial reconstruction to identify the unknown woman and catch her killer.

After the cause of the death of Stacy Feldman in her Denver home is ruled as undetermined, friends and family join forces to piece together what happened; insiders close to the case speak out about the seven-year battle for justice.

After the cause of the death of Stacy Feldman in her Denver home is ruled as undetermined, friends and family join forces to piece together what happened; insiders close to the case speak out about the seven-year battle for justice.

A respected couple's murder leaves police puzzled and a blood-stained card at the scene is looked at again in the hopes it will yield new clues.

A woman sees a mysterious and deeply unsettling occurrence in her neighbor's yard; she wonders if it was an accident, but the truth will prove to be divisive.

A couple's fortune in gold may be a motive for murder as business practices come under review and secrets are spilled.

After the proprietor of the thriving Silent Movie Theater is viciously gunned down in his own lobby, the LAPD leans on luck, a hit TV series and its vast network of informants to uncover a conspiracy to commit murder.

When a beloved model, actress and former Los Angeles Raiderette cheerleader vanishes in broad daylight after leaving her Hermosa Beach home, a media frenzy engulfs the entire city as detectives embark on a desperate search for a sociopathic killer.

The brutal double-murder of two beloved pianists rocks a tranquil Irvine neighborhood; after weeks of twists and turns, the hunt for the killer leads detectives to the strangest of suspects.

A jet-setting billionaire finds himself at the center of a murder investigation in Mission Viejo.

A serial shooter terrorizes the quiet Atlanta suburb of East Point, leaving a trail of bodies and cryptic notes in his wake; with five shootings and counting, investigators race against the clock to find the killer before he strikes again.

The newly elected DeKalb County sheriff is murdered just days before taking office; when the task force digs into who would kill such a decorated public figure, they uncover a chilling conspiracy that shakes Atlanta law enforcement to its core.

With no evidence and no witnesses, detectives must find a murderer when a hero of Atlanta's West End is executed in front of his home, but the community is in disbelief when the killer is finally brought to justice and identified.

When a rising star in Atlanta's fashion scene is murdered, detectives must determine if the shooting is related to a business deal gone bad or if it's a personal vendetta; the team cracks the case and is shocked when it discovers the mastermind.

The tranquility of Atlanta suburb Powder Springs is shattered forever when two beautiful young real estate agents are found brutally murdered inside a picturesque model home; detectives race to catch this ruthless killer before he strikes again.

The teenage nephew of Mayor Keisha Lance Bottoms is assassinated with a hail of bullets, wreaking havoc within his powerful family and the city of Atlanta.

The Atlanta club scene is shaken when the wife of a popular DJ is executed in her sleep; detectives must determine if the victim had any enemies or if her murder was part of a string of killings stemming from her husband's high-profile job.

An African immigrant is found tortured and murdered in his West End home; Atlanta detectives uncover a string of violent crimes tied to a terrifying criminal syndicate that the team must take down to restore peace to the Big Peach.

When a young woman goes missing after a July 4th beach party, investigators have few clues to go on until a twist in the case reveals she might be the latest victim of a predator terrorizing the area; An abandoned car filled with blood leads investigators on the trail of a missing woman and her teenage daughter who never showed up to the family's July 4th party. When their remains are found in a pond, everyone in their small town is a suspect.

When a Philly radio personality is killed in her lavish Shore home, the years-long investigation reveals an undercover informant, an intricate murder-for-hire plot, and a vast trafficking conspiracy.

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.

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.

After Florida teacher Denise Hallowell is found murdered in her home, investigators examine her family's tumultuous past in their desperate search for a killer; Denise's son Carlos Hallowell sits down for an exclusive interview.

After Florida teacher Denise Hallowell is found murdered in her home, investigators examine her family's tumultuous past in their desperate search for a killer; Denise's son Carlos Hallowell sits down for an exclusive interview.

When a mother of three is found dead a mile from her home, the investigation leads to an unlikely suspect.

A fatal car crash leaves two dead and one seriously injured; it may have not been an accident.

When a California housewife is murdered in broad daylight, the suspected killer claims it was a burglary gone awry.

New interviews with insiders reveal how career criminal Charles Manson convinced his followers to kill innocent victims and deliver him the fame he craved.

Fifty years after the infamous Manson Family murders, a look at the trail of the women who blindly followed Charles Manson; including new and exclusive interviews.

Kelly and Johnny Bonds answer the call of a grieving mother, whose 19-year-old son drowned while camping with friends; despite the medical examiner ruling it an accident, some suspect foul play.

Kelly and Tonya investigate the mysterious disappearance of a mother who went missing after a Fourth of July celebration; an old tip on where her body might be buried takes a turn when cadaver dogs signal they've found something.

Kelly and Abbey Abbondandolo investigate the cold-blooded killing of a tow truck business owner, and uncover a twisted world of alleged abuse, infidelity, and a possible murder-for-hire plot.

When 20-year-old Anna Cardwell is found shot to death in her rural Alabama home, her close circle of friends mourn in disbelief. But soon speculation begins to swirl that one of their own is not who they seem.

A university for the deaf serves as a haven for its students. But when a freshman is brutally murdered in his dorm, the student body is plunged into terror. When it happens again, investigators race to uncover a connection and stop a serial killer.

When a Sarasota, Florida gallery proprietor is found murdered and posed like a grisly sculpture, everyone in the renowned art community fears for their lives wondering if it could be one of their own artists putting evil on display.

When sheriff-elect Derwin Brown is gunned down just days before taking office, investigators uncover a tangled web of secrets - forcing them to confront the chilling possibility that the killer may be hiding within law enforcement's own ranks.

The First Baptist Church of Madisonville, Kentucky is shocked when long time parishioner Anna May Branson leaves Sunday service only to be murdered in her home moments later. Investigators wonder if her killer is in the pews pretending to be a saint.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

In a state-of-the-art laboratory at Yale University, each room is only accessible by key card. So, when a brilliant bride-to-be enters the building to do research, and vanishes, everyone within the ivy-clad walls becomes a possible suspect.

When a Minneapolis realtor is murdered after an attempt on her boyfriend's life, authorities believe the heinous crimes are connected; a voicemail on the victim's phone reveals an intricate plot fuelled by vengeance.

When police are called to a seemingly routine domestic disturbance at a mansion in Louisville, a bizarre tale unravels after one man reveals a body is buried in the basement.

As police in Tallahassee, Fla. work to solve the case of a young father gunned down in his apartment, they find evidence of a deadly sexual encounter and uncover a vengeful plot, ultimately proving that blood is thicker than water.

The murder of a beloved school teacher takes detectives from Kentucky to Florida, where an unexpected romance comes to light; as the investigation unfolds, relationships unravel and a long con born of greed is unveiled.

The long-lost confession tapes of the man who claimed to be the Boston Strangler have been uncovered. Suppressed for decades, these exclusive tapes reignite doubts about his confession, inspiring experts to reexamine the evidence and suspects.

After New Jersey mother Michelle Lodzinski reports that her 5-year-old son has vanished from a carnival, detectives embark on a decadeslong investigation until a family member identifies a key piece of evidence pointing to a potential suspect.

After New Jersey mother Michelle Lodzinski reports that her 5-year-old son has vanished from a carnival, detectives embark on a decadeslong investigation until a family member identifies a key piece of evidence pointing to a potential suspect.

The convicted murderer of a popular teacher is given a second chance at freedom when new evidence is revealed.

A woman in an exclusive Atlanta neighborhood is shot in her bedroom while calling 911; when detectives investigate the crime, they discover that her murder is related to an elaborate crime ring that upends the sense of safety in this tranquil hamlet.

When the body of an Atlanta police lieutenant is discovered floating in a lake and riddled with bullets, detectives work tirelessly to bring justice to their fallen comrade.

Detectives are plunged into a world of occult worship and shadowy characters as they try to solve the brutal murder of a promising UCLA student found butchered in a railroad tunnel with a diabolical reputation.

The shocking murder of a Van Nuys newlywed goes cold for 23 years until detectives bent on justice revisit the brutal evidence, including a bite mark on the victim's arm that leads them to the most unlikely killer.

A small town in Washington is rocked after a local man is found shot in his home; police wonder if his complicated love life played a role until a string of robberies exposes a dangerous couple with a more sinister motive.

After a young man is found shot to death on the banks of a Georgia river, investigators trace the murder back to individuals who share his Gothic lifestyle and uncover a romantic rivalry driven by manipulation.

A house fire in Louisville, Ky., sparks a murder investigation when detectives find two local men brutally stabbed to death; the search for the killer reveals a toxic romance between two lovers willing to risk it all to get what they desire.

An elderly veteran is nowhere to be found after his house suddenly bursts into flames in Tucson, Ariz., causing authorities to kickstart a nationwide manhunt to catch a desperate couple on the run not once, but twice.

After the remains of an elderly woman are discovered in Florida, investigators track down suspects with a complex family dynamic. The woman at the center of it tells her story for the first time, revealing details of the harrowing crime.

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.

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.

When authorities respond to a car fire in rural Michigan, they find a charred body discarded nearby; as the investigation unfolds, the victim's phone records point to a vicious plot stemming from a dangerous infatuation.

Just months before his retirement, a missing trucker's body is found in a remote creek; as detectives run out of leads, a seemingly minute detail breathes new life into the investigation revealing two lovers with a nefarious plot.

When an esteemed California pastor is found executed in an almond orchard, investigators turn to his complex love life for answers; allegations of blackmail are exposed, and a vindictive conspiracy is ultimately brought to light.

When a crime spree leaves five dead, South Carolina authorities kickstart a multi-state investigation to capture a desperate couple on the run; the case grows more complicated when police are faced with conflicting accounts of the murders.

After a young mother is murdered in broad daylight, Texas authorities are on a hunt for a masked gunman; the ensuing investigation uncovers a bitter custody battle and a vicious plot born of obsession.

A welfare check confirms the worst when a woman is found brutally murdered on her couch; the ensuing investigation leads authorities from Oklahoma to Arkansas where conflicting stories of a crime motivated by greed and jealousy are uncovered.

When a missing man's bullet-riddled body is found off the side of a road, police must dig into his complicated past to uncover the truth; the case hits a standstill until information about the victim's car comes to light and reveals a toxic romance.

When a shocking crime is committed in broad daylight that leaves a young man dead on the street, the investigation uncovers a personal vendetta; in exclusive prison interviews, the killer couple each share their version of events.

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 16-year-old Britney Ujlaky disappears, a small town in Nevada bands together to track down a potential suspect - an unknown cowboy; soon, their focus turns to someone much closer to Britney.

A pregnant woman vanishes before her own baby shower and her worried family raises the alarm; detectives unravel a chilling mystery.

A teenager's life is turned upside down by a shocking discovery as what seems like a fatal accident reveals itself to be something much more disturbing.

After a shootout in a quiet suburb leaves a strip club owner dead, police discover his murder may be part of an elaborate crime ring targeting Atlanta's high-end clubs; the truth behind who runs the syndicate shakes the city to its core.

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 popular school board official battling a mysterious illness collapses in her driveway, but when the coroner reclassifies her death as a homicide, investigators must unravel the cause behind her baffling demise.

When a wealthy Buena Park entrepreneur is violently executed and his girlfriend raped, investigators are faced with a mystery that spans decades.

What seems like two unrelated events, a truck inferno and a missing person report, collide in a deadly case of mistaken identity.

A devoted husband, military man, and father of three calls the police with a chilling confession: he's shot his wife; what first appears to be a straightforward homicide soon unravels into something far more complex.

A husband discovers his wife face down in their bathtub; her death appears to be an accident, but questions are raised about how she drowned.

When a 21-year-old goes missing during the height of the pandemic, LAPD detectives unravel a mystery hidden in deleted security video to solve a murder.

The gruesome discovery of a decomposed and dismembered corpse buried in the backyard of a Seattle home results in an investigation that unravels a 30-year-old murder plot hatched by a scheming, vindictive family.

After the body of a missing young mother is discovered in a shallow grave behind her own home, cops must investigate the complicated relationships of her past and present in order to identify a motive and track down her killer.

After a homeowner discovers a mummified corpse buried inside a barrel beneath his home, detectives must painstakingly piece together a series of hidden clues to locate a killer who thought they had committed the perfect murder.

When Nichole Payne and her son Taylor are found dead in their home, investigators wonder if this is a murder-suicide or if someone wants it to look that way. The mystery takes nearly a decade to unravel.

It was called the trial of the century and, decades after the polarizing case, questions remain; hear answers and insights through interviews done over the years, rare footage and revealing conversations with key players who offer new details.

After a prominent Arizona surgeon is found stabbed to death outside his office, investigators uncover an unlikely suspect with deep pockets and an even deeper hatred for the doctor.

Police don't have a basis for comparison to match shoe impressions, blood drops and DNA evidence from a murder scene.

A masked gunman kills two members of a family and wounds two others after they interrupt his burglary at their upscale suburban home.

A killer leaves equally incriminating evidence at the scene when he meticulously wipes away his fingerprint and shoe impressions.

After a woman is found dead at a yacht club in California in an apparent case of love gone wrong, investigators discover her home life was as dramatic as films made in nearby Hollywood.

The brutal murder of a state park employee over $2,000 rattles her co-workers and tourists while leaving police to sift through hundreds of leads.

When evidence shows a woman's rape and murder, police must find the killer as well as the victim.

A week after a couple disappears from the beach, police get a mysterious lead from a robbery.

Fifteen years later, DNA technology leads to justice for a murdered woman and her savagely beaten 4-year-old daughter.

A quiet waitress who hasn't been to work in two days vanishes without a trace; police suspect a date gone wrong.

The grisly double murder of two Lockheed employees stuns their families and leaves investigators baffled; as the case languishes for years, investigators are unable to make an arrest until the prime suspect kills again.

When a prominent Atlanta judge is shot dead in her upscale home, detectives must figure out if the killing was payback from any criminals she had put behind bars, or if someone close had a personal score to settle.

An Idaho man is sentenced to life after falsely confessing to his friend's murder; but after the true culprit is caught and the case seemingly closed, a chilling twist unfolds.

An Idaho man is sentenced to life after falsely confessing to his friend's murder; but after the true culprit is caught and the case seemingly closed, a chilling twist unfolds.

When high school student Megan Nichols vanishes from her Illinois home, her mother finds a note saying that she ran away; a grisly discovery made three years later changes the course of the investigation.

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.

A wealthy couple is brutally attacked on their country estate just outside Atlanta; as detectives scour the property for leads, they discover a dark secret, unbeknownst to the community, that multiplies their suspect list tenfold.

The execution-style murder of three prominent businessmen in a posh downtown Atlanta hotel terrifies the city's burgeoning tourism industry; with only a blurry image of their killer, detectives race to track him down before he strikes again.

Debra Newell thought she found Mr. Right, but her daughters sensed something wrong about John Meehan; they started digging into his past and their search for answers exposed a dangerous con man.

Heidi and Conrad Truman are an enviable couple with a bright future until Heidi is found shot; in the aftermath, fingers are pointed but could be aimed at an innocent person.

When a woman's body is discovered at a trash facility, a detective makes a promise to her mother to get justice; she doesn't know she will come face to face with a serial killer.

Wealthy residents feel safe in their gated community, but it is not safe for one millionaire, murdered in his waterfront home; police investigate, but the case grows cold; turns out the key to solving it, or two keys, is right at the front door.

The save the date cards had gone out; Angie Ver Huel went to sleep next to her fiancé, Justin Michael, with big dreams but woke up to a nightmare; someone was running from their bedroom and Justin was dead.

A beautiful, popular graduate student is shot dead outside her apartment in Durham, North Carolina.

A woman's murder shines a light on an unsolved mystery from years earlier; as the connection between the two cases becomes clear, a long-hidden truth surfaces.