A man who was recently acquitted of the murder of his ex-girlfriend's 12-year-old son tells his story; interview with the victim's mother and key players in the case.

A man who was recently acquitted of the murder of his ex-girlfriend's 12-year-old son tells his story; interview with the victim's mother and key players in the case.

When a young woman fails to show up to work and her mother rushes to her home to try to find her, what she discovers begins an investigation that leads to a suspect no one imagined.

When a devoted mother is stabbed to death in a horrifying attack, suspicion falls on those closest to her; a cryptic note and a violent crime spree baffle detectives at first, but they eventually track down a deranged killer no one predicted.

A vibrant young mother of three is murdered in the safety of her own home and investigators look to a history of troubled romances, but when the case goes cold and police can't find the killer, a phone call leads to a culprit hiding in plain sight.

Jamie Wounded Arrow is proud to be Native American and part of the LGBTQ+ community; when police discover her body in her apartment, they search for the man seen nearby on security video at the time of the murder.

Sherry Prather vanishes from a Florida bar, and her worried mother spearheads a search for her; when Sherry's body is found near an isolated road, police discover video of Sherry riding off on a motorcycle with an unidentified man.

An in-depth look into the disturbing murder of Travis Alexander.

An in-depth look into the disturbing murder of Travis Alexander.

A man's roadside shooting leads to the discovery of his wife's double life.

Betrayal and finger pointing occur in the investigation of a murder in an isolated parking lot, which has multiple suspects.

A suspicious shooting reveals a real estate agent's scandalous secret life.

The brutal murder of a homecoming queen shocks a town.

A custody battle, a shooting and a suicide on the train tracks.

An Atlanta woman's secret addiction is revealed when her doting husband is gunned down.

Police are lead to a family conspiracy after a brutal slaying and a car fire.

A missing family man is found murdered in his car near his home in New York. When evidence of a secret affair is exposed, detectives unravel a chilling conspiracy orchestrated by individuals close to him and a mastermind driven by greed.

An Ohio man is thought to have committed suicide but new leads could implicate his fiance.

A bizarre bombing, a body in a freezer and a jilted boyfriend lead police to a woman with a notorious past.

A woman blames mistaken identity on her boyfriend's death.

The mystery of a former Vegas showgirl, a dismembered body and a missing husband.

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.

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.

A chiropractor is found bludgeoned to death in his home outside Philadelphia; investigators take a hard look at those closest to him, but soon learn the murderer is someone they least expect.

When a young woman is found dead in a field on the outskirts of Green Bay, Wis., a fitness tracker helps detectives solve the mystery.

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

In Pembroke Pines, Fla., a rookie detective reopens a 15-year-old case about the disappearance of young father David Jackson.

When an ambitious Luxor dancer on the eve of her biggest night misses rehearsal and disappears, Metro detectives investigate an abandoned car, security video and backstage trysts until a grisly discovery stuns the Strip's close-knit dance community.

Metro detectives hunt for clues in grainy surveillance video after a rising rapper is gunned down outside a Las Vegas hot spot, leaving his anguished family seeking answers before a similar attack reveals a cold-blooded pattern and callous murderer.

A son becomes the prime suspect when he reports finding his mother stabbed to death in their home in a gated community in Davie, Fla.; detectives must determine if seemingly obvious clues really point to him -- or in another direction.

Abraham Shakespeare goes from rags to riches when he wins a big Florida lotto jackpot; then he disappears, and police must determine if he was escaping the greed of friends and family, or if his newfound fortune made him a target for foul play.

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.

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.

When a young mother of two disappears just a few weeks before Halloween, detectives scour an upscale Atlanta neighborhood for clues, only to uncover a gruesome crime scene that haunts the community to this day.

When a beloved suburban Atlanta police officer is found shot execution-style in her bed, investigators must probe both her personal life and her role in the community to uncover the identity of her killer.

After a young mother is shot to death in a hail of gunfire at her parents' suburban Atlanta estate, investigators uncover a bitter family feud between two dominant Georgia tycoons that may have ended in murder.

When two friends are found shot to death across the street from the iconic Atlanta nightclub the Blue Flame, investigators discover the murder was part of an elaborate setup carried out by a surprising triggerman and an even more shocking accomplice.

A college instructor calls 911; a murder scene or suicide.

A hunter's death has authorities tracking a killer.

The killer removed the computer that links him to the murder of a woman and her soon-to-be ex-husband that he had met online.

A community is shocked when police discover a woman raped and murdered in broad daylight on a public trail.

A real estate developer is shot and his wife becomes the prime suspect, until the bullet is linked to a weapon reported missing 20 years ago.

A body is found stuffed into a suitcase forcing the police to search though the landfill for another missing victim.

A woman goes missing for a month with the only clues being a set of keys, a fingerprint and a code.

Police discover a mask near the crime scene and hope that it leads to the killer of a funeral director.

A killer assaults a young mother in her home, but despite meticulous washing of the crime scene, a single hair remains to lead authorities to the culprit.

A man has no recollection of events after stabbing his wife and holding her head underwater in a swimming pool.

California police in 1957 search for a murderer, but the case goes cold; 50 years after a crime is committed, advances in computer technology determine the killer.

Investigators piece together tiny clues at the scene of a hit-and-run accident; their findings help to track down the offending driver.

Investigators determine what caused a house fire that killed an elderly couple and whether the victims' son is responsible.

After a tycoon's wife is found dead in her SUV submerged in a half-frozen creek, police begin to suspect it wasn't an accident.

A Russian immigrant is found dead and a strange phone call to his office is the only lead investigators have.

Physical evidence initially condemns a prime suspect to a double homicide, but DNA from a discarded spoon points to another.

An Arkansas realtor sets her daughter up with the richest guy in town, but when he mysteriously dies, she's accused of stealing his fortune; additional deaths and a web of lies ensnare the rural community, leaving a family destroyed.

Investigation into a deadly house fire.

Investigation into a deadly house fire.

Investigators are suspicious when a wealthy former radio DJ mysteriously disappears from his yacht in the Pacific Ocean.

A killer hijacks the highways of Sacramento as several women are found strangled with their clothing cut into precise but odd patterns; a survivor leads police to a sports car driving deviant posing as a good samaritan to poach potential victims.

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.

In the '90s, aderanged killer stalks sex workers in Riverside, Calif., claiming the lives of 13 women; when a would-be victim describes the perp to police, the race is on to catch the murderous john before he strikes 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.

When Kim Dorsey was found murdered in her bedroom, the chaotic crime scene left more questions than answers; a single out-of-place item would be the key to discovering the killer's identity if investigators could find the evidence.

Former mayor and prominent attorney Melvin Roberts is larger than life; when cops find him dead in his driveway, it marks the start of a tough case.

Rachel Anderson was a vivacious single mom whose world revolved around her children; when she failed to show up for work one day, her kids panicked; her disappearance could be connected to terrifying phone calls she'd been receiving.

Karen and Mark Duenas had a special marriage; the teenage sweethearts managed to keep the romance alive even after raising five boys together; a perfectly ordinary night that ends in murder tests the bonds of family.

At first, Mischele Lewis' new boyfriend seems almost too good to be true; she discovers her dream man has secrets; a single mom goes on a dangerous mission to find out the truth.

The neighbor of a tech giant who is living in paradise is found dead; suddenly, the entrepreneur extraordinaire is on the run, taunting authorities and tantalizing the press.

Wendy Ratte, a free-spirited mother of two, goes missing; police discover she had a bitter feud with a neighbor before she went missing.

Barbara George is murdered in her comic store on Friday the 13th; the case goes cold, and her husband moves away, starting a new life with a new wife.

A football player was shot; his killer left few clues and the case sat cold until someone spilled a secret; what police asked the tipster to do next would make her a target.

It was a riveting mystery with two puzzling deaths, both at the same mansion; first, a boy was found near the bottom of the stairs and police ruled it an accident; then there was an apparent suicide at the guest house.

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.

Investigators seek answers when a prosecutor and a district attorney and his wife are murdered within a couple of months of each other.

Investigators seek answers when a prosecutor and a district attorney and his wife are murdered within a couple of months of each other.

Family man Jack Jessee is murdered in his home, but the case goes cold until a dogged detective unravels a conspiracy and pins down the perpetrators.

When a Texas father disappears without a trace, investigators go on an international manhunt to catch a killer and unravel a sinister plot that has them searching for answers deep into the Chihuahuan Desert.

A retiree settles in Southern California hoping to live his best life; when he disappears without a trace, investigators must uncover if his demise was connected to the unconventional pen pals he made.

A beloved mother is found brutally murdered near the military town of North Pole, Alaska, and soon four more girls meet the same fate.

A champion Russian boxer disappears from Brighton Beach, N.Y., and the neighborhood dare not talk for fear of reprisal until investigators uncover a long-buried secret in a New Jersey backyard.

After two Colorado women vanish in a deadly winter storm, key evidence keeps the case open for investigators to uncover the truth; a harrowing blizzard rescue the very same night could hold the clues to an almost 40-year search for the killer.

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.

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.

Kelly and Steve join the Kankakee Police Department to help a woman who just missed seeing her mother's killer at their front door when she was 11 years old; decades later, efforts are made to recall any clues to help crack the case.

Kelly and Steve extend their stay in Illinois to help the Kankakee Police Department look into another mysterious case -- the unsolved homicide of a mother-to-be and her unborn child.

Kelly, Tonya and the Alcoa Police Department investigate the 1990 rape and murder of a beloved 80-year-old grandmother and consider if the perpetrator may have been a sadistic random intruder or a member of her own family.

Beautiful, ambitious reporter Jennifer Servo is shockingly murdered in 2002; Kelly and Steve are determined to help the Abilene Police Department catch her killer.

Kelly and Abbey help the Beaumont Police Department investigate the 1999 disappearance of a popular single mother; one of the men seeking her affection may have taken their obsession too far.

Against all odds, a young woman survives a brutal attack on her and a friend in a park, and while DNA points one way, a bombshell message points another.

Keith Morrison looks back on this haunting mystery he reported on for more than 10 years; a pilot flees following a plane crash, becomes a fugitive and lives a double life for decades.

A couple made a fortune in gold but were headed for divorce when she was murdered; how she is killed makes this case unforgettable for Josh Mankiewicz; a video that seems to provide an alibi ends up pointing police to the killer.

A beautiful college student goes missing from her off-campus job, and a week later, investigators receive a mysterious phone call that reveals her plight.

A double homicide in upstate New York leads detectives on a cross-country investigation; Dennis Murphy reflects on a story full of twists and turns, including the surprising suspect at the center.

During a weekend away, a longtime married couple go on an afternoon hike that ends in tragedy; a multitude of evidence makes the mystery hard to untangle.

During a weekend away, a longtime married couple go on an afternoon hike that ends in tragedy; a multitude of evidence makes the mystery hard to untangle.

Months after a woman and her husband come down with the same mysterious illness, the woman dies after experiencing the same symptoms; old recordings reveal the twisted truth about her demise.

When Diana Burrow is found unresponsive, her family and police suspect her death is from natural causes until small-town whispers reveal the neighborhood criminals may be hiding a deadly secret.

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

A wealthy widow's sudden death perplexes investigators; with conflicting causes of death and millions at stake, suspicion falls on those closest to her.

A horse groomer's apparent suicide is called into question years later, when a near-identical crime scene suggests a serial killer may be at work.

An off-duty police officer calls 911 to report his wife unconscious; as suspicions mount that he may be to blame for her death, an unexpected twist changes everything.

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.

A suspicious fire and a secret lover lead officials to ask if the wife was involved.

Julia Phillips orchestrates the murder of her boyfriend Melvin Roberts outside his home on her birthday in February 2010.

The murder of a Texas man reveals a deadly love triangle.

When a young Marine goes missing, police uncover a deadly plot.

A school nurse pulls the trigger; investigators must determine if it was in self-defense or if it was murder.

A bar fire reveals a murder and a woman's secret addiction.

A deadly fight exposes a mother's secrets.

An idyllic North Carolina town makes the international press when a double murder involves a victim with an infamous past.

When a young Texas mother goes missing, a tangle of dark secrets and a trail of deceit threatens to derail the investigation.

When a Costa Rican computer programmer in search of the American Dream appears dead in his bathtub; detectives dive into a complex web of love, betrayal and organized crime, uncovering an unimaginable motive behind his brutal murder.

A Philadelphia DJ is found dead in a radio station parking lot; detectives untangle a web of deceit that proves the old adage that blood is thicker than water.

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.

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.

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.

A community comes together to search for a young woman who goes missing from a Halloween party.

A community comes together to search for a young woman who goes missing from a Halloween party.

Detectives find a message written in blood during a murder investigation.

A cold-case investigator helps police determine what happened to a missing woman.

When a mother disappears, the internet is still in its infancy; decades later, a cold case investigator wonders if Facebook could be used to help find out what happened to the woman who vanished so long ago.

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.

When a beloved Michigan mom disappears, investigators discover she was the target of a dark satanic ritual.

When an ROTC student vanishes, a determined female detective must confront the prejudices of the time and crack the campus code of silence to bring a killer to justice.

When a successful Phoenix realtor disappears in the desert, investigators discover that a killer is targeting real estate agents and must catch him before he strikes again.

When a twenty-year-old artist is discovered dead in a suitcase across state lines, detectives must uncover the dark truth behind an obsessive lover's deadly actions.

An armored 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.

The road to enlightenment veers dangerously off course when a curious filmmaker becomes entangled in a deadly cult.

As ANTM becomes more popular, it pulls in more seemingly vulnerable girls; some hopeful contestants claim they were treated increasingly poorly, leading to allegations of lasting trauma from what they endured on the show.

The headline-grabbing murder of fashion icon Gianni Versace sent detectives into a tireless chase for a serial killer; expert insights on the mind of Andrew Cunanan, and a deep dive by forensic and legal specialists.

The road to enlightenment veers dangerously off course when a curious filmmaker becomes entangled in a deadly cult.

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.

When police discover two murdered lovers in East Harlem, a stolen phone leads them on a journey into the heart of New York's criminal underground and beyond.

When a prominent Russian businessman goes missing from a ritzy neighborhood in Staten Island, investigators believe the Russian mob is to blame; the case takes a series of hairpin turns to reveal the most unlikely of suspects.

A pair of double homicides in Nebraska, five years apart, lead police to fear a serial killer may be on the loose.

A pair of double homicides in Nebraska, five years apart, leads police to fear a serial killer may be on the loose.

It was a bone-chilling snowy night when mother and professional dancer Stephanie Bruner went missing in the Colorado mountains. Police had three viable suspects in mind, but a complicated love triangle may have sealed her fate.

A week after disappearing from her home, Hannah Hill's body is found in the trunk of her own car.

A father is murdered in his bed, in the middle of the night; it seems strange to investigators that no one else in the house is hurt, including his new wife who was sleeping by his side; there are three witnesses in the house but no one sees a thing.

When a businessman is gunned down in his home by a masked assailant, police scramble to figure out who could have wanted him dead; the case leads them on a bloody cross-country trek.

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.

An elderly woman's death leads to shocking revelations about her daughter's double life.

A family is led to troubled waters as they search for justice.

A family's suspicion leads them to the truth about a father's disappearance.

A pretty blonde survives the attack that kills her husband.

A devout mother exposes the problems in her marriage and her mind.

A missing family man is found murdered in his car near his home in New York. When evidence of a secret affair is exposed, detectives unravel a chilling conspiracy orchestrated by individuals close to him and a mastermind driven by greed.

A respected family man is found shot to death in his upscale California home. As detectives race to find his killer, a startling confession exposes a web of lies, allegations of abuse, and a marriage pushed to its breaking point.

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.

Best friends band together after a husband's death.

A respected family man is found shot to death in his upscale California home. As detectives race to find his killer, a startling confession exposes a web of lies, allegations of abuse, and a marriage pushed to its breaking point.

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.

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.

When a beautiful woman's much older husband disappears under mysterious circumstances, police suspect that more than just a story has been cooked up.

A determined detective befriends a Wisconsin woman to solve her boyfriend's suspicious disappearance.

When a young mother of 16-year-old twins is found dead, investigators must dig deep into the family's complicated relationship.

The investigation into the death of a woman whose remains were found in her Frisco, Texas, garage leads detectives to a series of suspects with connections to the victim's complicated and secretive life.

The investigation into the death of a woman whose remains were found in her Frisco, Texas, garage leads detectives to a series of suspects with connections to the victim's complicated and secretive life.

In 1994, convicted murderer Randolph Dial escapes from a prison in Oklahoma and takes the deputy warden's wife, Bobbi Parker, with him, then, 10 years later, Parker is found living with Dial on a farm in Texas.

After a larger-than-life bookie vanishes without a trace, Metro detectives delve into the world of mobsters, informants and greed until two bodies in the Mojave Desert and a highway traffic stop reveal a plot of murderous betrayal.

When a glamorous social media influencer suddenly goes missing from her suburban neighborhood, detectives analyze bizarre video of her last hours until a tip leads to a search in the desert and a nightmare closer to home than anyone expected.

Owners of Miami's glamorous Fontainebleau Hotel are struck by tragedy when their matriarch is found dead in her home; terror sets in when her son is murdered not long after, making detectives wonder if someone is trying to take down this dynasty.

When a triple homicide rocks a Christmas tree-farming community, two small-town sheriffs across state lines have to work together to find the perpetrator among the Blue Ridge Mountains.

After former police officer is executed in his own home, police rely on his wife's testimony to bring the murderer to justice.

The police determine if a marriage that ended in flames was an accident or an act of revenge.

When a man goes missing, the search leads police to his girlfriend and a host of secrets about their past.

A young woman's reconnection with a childhood crush seems like a fairy tale story in the making, but her newfound happiness may be destroyed by questions about a missing man.

The case of a farmer's murder goes cold as speculation mounts about his wife's secret life and the role of a con man.

A man is abducted from his front yard; evidence from a Taser and a strange car accident lead police to an unlikely suspect.

The mystery of a corpse leads police to make an unlikely accusation about a college student and her missing husband.

An arranged marriage goes awry.

A shocking history of domestic abuse raises a surprising question about the identity of the aggressor.

A respected family man is found shot to death in his upscale California home. As detectives race to find his killer, a startling confession exposes a web of lies, allegations of abuse, and a marriage pushed to its breaking point.

The road to enlightenment veers dangerously off course when a curious filmmaker becomes entangled in a deadly cult.

When a widower disappears from his Southern California home, investigators find themselves caught up in a federal investigation involving the infamous hunt for skyjacker D.B. Cooper.

The discovery of a murdered man exposes dark and disturbing secrets hidden within his family.

Three women, all with one thing in common, are driven to extremes; social media.

A brutal attack with a hammer leads to claims of abuse and reveals a shocking secret life.

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.

A young woman appears strangled and posed in the Kensington neighborhood; when more victims are found assaulted in an eerily similar fashion, detectives race against the clock to find the perpetrator before he strikes again.

A risky undercover operation in a rough prison could expose a suspected serial killer's secrets.

The legendary Fontainebleau Hotel in Miami Beach, Fla., is the backdrop for a mystery involving the murders of wealthy heir Ben Novack and his mother, Bernice.

Stuntman Garrett Warren was accustomed to living on the verge of death, but no amount of Hollywood violence can compare when he finds himself shot four times; when the smoke clears, investigators find themselves in a real Hollywood mystery.

A young girl falls ill and dies; forensic investigators search for evidence halfway around the world to shed light on the tragic death.

A cunning con man leaves broken hearts and empty wallets in eight states; using aliases and posing as a doctor and Navy SEAL, he steals $2 million and becomes violent, evading the law until his victims fight back.

In an upscale high-rise in Chicago, a successful businesswoman is murdered as her boyfriend sleeps beside her; investigators point a finger at the boyfriend, but an exhaustive investigation uncovers the surprising architect of her murder.

A mother is shot to death while her young daughters lay asleep in the same room; baffled investigators wonder if an open door invited an intruder in, or if the killer is someone else she trusted who has been in the house all along.

A third grader wakes up to a nightmare, finding his mother stabbed nearly 40 times in her bed; the police suspect those closest to her as their investigation uncovers the shocking evil that crept inside her house that night.

As notorious serial killer Ted Bundy awaited execution, he exchanged chilling letters with the woman he loved like a sister; now she finally reveals the untold story of the letters, and her harrowing journey with the man she discovered was a monster.

In an exclusive interview, Emma Coronel, wife of drug lord Joaquín "El Chapo" Guzmán, reveals the seduction and danger of life with a criminal mastermind, while confronting the ugliest truths of his actions and grappling with her own accountability.

Yolanda Saldivar, the killer of Tejano music superstar Selena Quintanilla Perez, speaks out about her relationship with the singer and hopes to shed new light on what led to that fateful day in 1995.

Yolanda Saldivar and her family reveal never-before-seen documents and information that they believe changes the narrative of what happened inside the hotel room when Selena died and in the weeks leading up to that fateful day.

The tragic murder of world-renowned music artist Selena Quntanilla-Perez by her number on fan, Yolanda Saldivar.

Convicted of murdering pop star Selena, Yolanda Saldívar requests a new trial on the basis that the prosecution had access to evidence that her defense team did not.

Detectives are suspicious after a woman is killed in a hunting accident, but it takes more than twenty years before a trace evidence analyst is able to match fibers on a soiled blanket to the killer.

When hunters find a skull in a Texas canyon, police find bits of clothing, a woman's shoe, some small bones and a strand of hair; once they discover her identity, it was time to find the killer.

A wife is missing in Key West; investigators wonder if they should be searching for a missing person or a killer.

Suicide notes and a pistol in hand lead police to suspect that a mother of two young children appeared to have killed herself, but when investigators learned of a house fire she was in three years earlier, they reinvestigated.

The violent death of an Air Force officer's wife outside a Philippines air base is examined, amid accusations of a love triangle involving the murdered woman's husband; investigators use groundbreaking computer forensics to make their case.

Pieces of plastic the size of sand hold clues to a bombing.

At first glance it appears a young woman suffocated, but further investigation shows the scene was staged.

A killer is careless when a home is destroyed by fire and a young boy is missing.

A patrol officer is shocked by the amount of blood at a traffic accident and is shocked by the coroner's ruling until an anonymous phone call re-ignites the case.

An irrigation canal murder remains unsolved until a similar murder occurs.

Kathi Spiars believes she's finally met Mr. Right when an ex-CIA agent gives her everything she's ever wanted; the honeymoon is over when she discovers a dark secret and then chooses to risk her life to bring an elusive killer to justice.

Policeman Glenn Turner is over the moon when a beautiful 911 dispatcher woos him with luxurious gifts, until he dies suddenly from natural causes; when a second man dies unexpectedly, his family searches for the truth to stop a cold-blooded killer.

Police initially suspect natural causes as they investigate a man's death, until they learn about an unconventional love triangle, which points the investigation in a new direction.

Police initially suspect natural causes as they investigate a man's death, until they learn about an unconventional love triangle, which points the investigation in a new direction.

A couple's anniversary celebration ends in murder during what appears to have been a home invasion, but investigators believe the suspect might be connected to the victim.

Three people are gunned down in a gold coin shop in Newport Beach, Calif., and with little to go on, detectives slowly piece together a murder plot that didn't exactly turn out as planned.

The promising trajectory of a rising star athlete from Orange is cut tragically short when he is found shot to death on a desolate road.

After a naval reservist is gunned down in her car outside an Atlanta mall, detectives pour over video footage, phone records and forensic evidence; discover that the DNA sample found at the crime scene creates an unforeseen twist in the case.

A young mother in the quiet Atlanta hamlet of Buford is found shot to death in what detectives deem to be a staged suicide; as investigators search for leads, they uncover an eerily similar death linked to someone with close ties to both victims.

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

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

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

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

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

A top doctor known for saving lives finds himself fighting for his own after he is poisoned; investigators immediately start looking into the women in his life, wondering if one relationship was toxic.

Chiquita Tate grows her reputation as a tenacious defense attorney but her promising career is cut short when she is murdered; police have a challenge; at work, she deals with tough clients, and at home, she is going through a rough time.