In 2016, in Kamloops, Canada, a motel cleaner finds the body of an unidentified woman in one of the rooms; detectives turn to surveillance cameras to track a mysterious suspect in a cowboy hat, leading to a desperate manhunt across Canada.

When Laura Pietscher, a 28-year-old resident of Sebring, Fla., turns up dead in a dumpster 90 miles away in Tampa, detectives turn to CCTV footage to trace her fatal journey and identify her murderer.

A bullet kills 15-year-old La'Kyijah Williams, outraging Chief Eric Winstrom; CCTV shows a masked gunman, but witnesses refuse to talk until a tip names a suspect; when officers arrest him at a traffic stop, detectives don't have enough evidence.

After Cristina goes missing, detectives look for CCTV that may reveal her movements; when her cell pings at a location in Arkansas, detectives gather surveillance from the area in the hopes it will hold answers to Cristina's disappearance.

Fifteen-year-old Elizabeth Ennen is seen for the last time when a family friend drops her off at home, but her mother says she never walked through the door.

Emily Lambert goes missing after spending the night at a hotel bar with her new boyfriend; two days later, she's found murdered on a piece of remote farmland; detectives scour CCTV footage from the hotel and bar searching for her killer.

After leaving for school,15-year-old Sierra LaMar disappears without a trace; surveillance footage helps reveal if it was a runaway or something worse.

Jessica Padgett disappears, the only lead being her abandoned white Subaru; surveillance cameras show her driving into a parking lot and walking down a back alley, never to return.

After two divorces, Kathy Goble makes herself a priority for the first time in her life; however, her carefree ways soon catch up to her, and she is betrayed in the most brutal way possible.

Fifteen-year-old Becky Stowe is eager to find love, then she disappears without a trace, prompting friends and family to wonder if she found what she was looking for, or if trouble found her instead.

In 2007, Marilou Johnson's millionaire boyfriend, Roger Blanchard, reports her missing; police have little to go on in their search for the mother of three until a witness steps forward.

The disappearance of a popular resident of Eastman, Ga., rocks the small town; as the search for Russell Ray intensifies, any hope of finding him alive dwindles after police make a horrific discovery.

An unthinkable crime cuts short a family man's quest for a better life in Florida; to find the culprit, detectives must unravel a deadly web of deception woven long before the killer ever took aim.

On May 19th 2022, Christopher Hoye suddenly leaves his Ozarks homestead; after several hours, Christopher's wife recovers his truck next to a dangerous river but Christopher is gone; as weeks go by, there are more questions than answers.

Vibrant 19-year-old Sydney West gains acceptance to her dream college, but on the morning of Sept. 20, 2020, Sydney decides to visit the Golden Gate Bridge in San Francisco and mysteriously vanishes into the fog.

Dia Abrams owns several properties in the Idyllwild community of California, including a sprawling 116-acre ranch; on June 6th, 2020, Dia tells her partner, Keith Harper, she will feed the horses and is never seen or heard from again.

Nathaniel Holmes is a high school senior who is passionate about playing the bagpipes; on Dec. 17, 2017, his mother drops him off at school and watches him walk inside; by the time she goes to pick him up that afternoon, Nathaniel is missing.

Oklahoma newlywed Rex Harper is shot dead at the wheel of his truck on Main Street in what investigators believe is a professional hit; with no witnesses or clues, detectives must crack the cowboy code of silence to reveal the key to his killing.

When cowboy Rick Godfrey goes missing in the Mojave desert, investigators discover he's seduced and swindled many women.

Single mom Karen Petersen is enjoying a night out when a handsome cowboy charms his way into her home; he attacks her, leaving her for dead, and as more victims emerge, cops fear a serial killer is on the loose.

In Payette, Idaho, teacher Elizabeth Baune is the pillar of her community until she is stabbed to death in her own home; townspeople suspect Baune's kindness may have been behind her death.

Joy Dishneau plans on becoming a small business owner in the Ozarks, but she is found murdered in her own shop, and all of her employees become suspects.

When someone stabs Trina Langenbrunner to death and leaves her on a road in Cloquet, Minn., her family, community, and law enforcement work together for over 12 years to find her killer.

Family and friends are concerned when Phillip Brewer and Jody Fortuna go missing from Gillette, Wyo.; eventually, the horrifying truth comes to light.

In San Francisco, Kevin Collins, 10, disappears on his way home, galvanizing the residents to find him; with few leads to go on, Kevin's case sheds light on hundreds of other children who have vanished without a trace in the United States.

Jared Fogle weighs a life-threatening 425lbs, then invents a unique diet and loses 200lbs eating only Subway sandwiches; the company makes him their spokesperson catapulting him to stardom, but behind his lovable facade lurks a dangerous secret.

Radio journalist Rochelle Herman undertakes a covert mission to expose Subway spokesperson Jared Fogle as a child sex predator, but her investigation takes a dark turn; the lives of two young girls change when they encounter the Subway Guy.

Rochelle Herman's undercover investigation to expose Jared Fogle, aka the Subway Guy, as a child sex predator destroys her life; a bizarre and shocking sequence of events results in the downfall of this pop culture icon.

Jared Fogle weighs a life-threatening 425lbs, then invents a unique diet and loses 200lbs eating only Subway sandwiches; the company makes him their spokesperson catapulting him to stardom, but behind his lovable facade lurks a dangerous secret.

Radio journalist Rochelle Herman undertakes a covert mission to expose Subway spokesperson Jared Fogle as a child sex predator, but her investigation takes a dark turn; the lives of two young girls change when they encounter the Subway Guy.

Rochelle Herman's undercover investigation to expose Jared Fogle, aka the Subway Guy, as a child sex predator destroys her life; a bizarre and shocking sequence of events results in the downfall of this pop culture icon.

A Texas woman is raped and murdered; a trial sparks a racially charged debate over whether an innocent man was condemned to death; new evidence comes to light; the truth about who killed Stacy Stites.

Twenty-year-old Justin Newman lands a great job in construction, then he disappears on the same day his new boss is found brutally murdered.

Greg May, 56, is getting ready to move to Florida with a new girlfriend when he vanishes without a trace; police aren't sure if the tattoo artist turned Civil War collector is alive or dead until their investigation uncovers a horrific plot.

A young couple's toddler vanishes while the family is enjoying an impromptu camping trip in Leadore, Idaho; investigators and private detectives work around the clock to find the missing boy, only to come back to his parents.

Over the span of decades, three women meet their deaths or go missing under mysterious circumstances, forcing authorities to examine the one thing they had in common -- they all fell in love with the same man.

A mother's bond to her daughter is put to the ultimate test when one of them shoots a man dead.

Two employees of Dayton, a bar in Ohio, are beaten to death; on the case, Det. Doyle Burke investigates a series of bizarre clues, including a citywide KKK rally and a mysterious confession letter from The Devil postmarked from Hell.

A mother of two turns up dead after a house fire - but her autopsy reveals death by strangulation. Lt. Mike Daniewicz must take to the streets of New Jersey's Little India to catch a killer whose desperation is matched only by his heartlessness.

In rural Minnesota, a masked murderer bludgeons an entire family in their sleep; as small-town secrets unravel, Sheriff Mike Gormley uncovers a dangerous love triangle and a vengeful killer who is willing to risk his own blood for retribution.

After someone executes a charismatic New Hampshire businessman in his sleep, the case goes ice cold; detective Robert Freitas uses his wits and a wiretap to outsmart a deceitful associate who believed he'd long since gotten away with murder.

After the murder of 15-year-old Milli Penn, Grand Rapids detectives investigate the masked shooter, rumored to be another teenager linked to a fight club; then, another shooting strikes and detectives must solve the case before more lives are lost.

After a gunfight, Jeremy Parnell is found dead. Detective Katie Roszkowski, leading her first homicide case, uncovers a party bus incident; with few witnesses, she must discover what happened when partiers left the bus and why it escalated to murder.

After a shooting, the detectives investigate a victim with a history of domestic complaints; as the victim fights for his life, the female shooter claims self-defense; her attempt to hide evidence raises doubts about her true motive.

A calm night at the American Legion in Evansville, Ind., quickly takes a turn when Anthony Blaylock is shot dead; detectives obtain video surveillance showing the responsible perpetrator, and they stop at nothing to find the killer.

Samantha Guthrie's parents desperately search for their missing child; as the police search reveals many players in this mystery, the common thread becomes the Lillian St. house; police aim to find the truth of what occurred within those walls.

Lima, Ohio police race to a chaotic scene at an after-hours nightclub following a shooting that leaves one person dead and multiple others injured; as they try to identify the shooter, dozens of patrons flee in fear, confusing first responders.

A retirement community in Evansville, Ind., reels when police find Odie Carrier Jr. mortally shot in his own home; puzzled even more by the surprising way he died, police must work quickly if they are going to find the person responsible.

When the body of a 9-year-old boy is found by the side of a rural highway, it takes police two years to identify him; the mystery puts police on the trail of an Amish serial killer.

After an Amish wife is found murdered in her bed, police uncover a dark world they never imagine existed; in this devoutly religious community, a lothario has gone to great lengths to get what he wants.

After the murder of a student in her dorm room, authorities struggle to find a motive for her killing; they hope that testing the DNA of 400 people will answer their questions and finally lead to the culprit.

Naomi Huyard never strays far from home, so her disappearance rocks her tight-knit community to its core; when detectives make an unspeakable discovery, they soon realize there's more to the story than meets the eye.

After an Amish wife is found murdered in her bed, police uncover a dark world they never imagine existed; in this devoutly religious community, a lothario has gone to great lengths to get what he wants.

After the murder of a student in her dorm room, authorities struggle to find a motive for her killing; they hope that testing the DNA of 400 people will answer their questions and finally lead to the culprit.

Naomi Huyard never strays far from home, so her disappearance rocks her tight-knit community to its core; when detectives make an unspeakable discovery, they soon realize there's more to the story than meets the eye.

When the body of a 9-year-old boy is found by the side of a rural highway, it takes police two years to identify him; the mystery puts police on the trail of an Amish serial killer.

Thirty-one-year-old violinist Helen Mintiks goes missing during a performance at the Metropolitan Opera House, then her naked corpse is discovered in an air shaft at the opera house.

Vaudeville producer Roy Radin's bullet-riddled body is found in a canyon in 1983; police attempt to determine if he was the victim of a vicious drug cartel or a movie deal gone wrong.

Temptress Cathy Cousin moves in next door to devoted family man Tim Koile, wrapping him around her finger and convincing him to satisfy her every whim no matter how diabolical.

Penny Knell is admitted to a special care facility, where a devious mastermind is waiting to prey on vulnerable people; when Penny's family gets ensnared in her web, the consequences will be fatal.

Janet Lynn Mickey dreams of starting her own family and marries college football star Darrell Tyburski; plans change after the young couple begins having children, leading them down a very dark path.

A woman believes that her sister blames her for the crimes she committed.

Teenager Sarah Garone is targeted by an anonymous predator for nearly a decade; each time, Sarah turns to her stepfather, Gary Hardy, for protection, not realizing he is the one determined to hurt her.

For years, every time Gabi Blair walks past the freezer, she shudders at the thought of the horrors hidden inside; forced to keep secret her mother's crimes, she prays that someone will discover the truth before she becomes her mother's next victim.

Renee wonders why her brother, Ricky, targets her; thankfully, her oldest brother, Ronnie, protects her and keeps Ricky in check; after years of his cruelty, they've had enough of him and fight back; that's when Ricky plots his revenge.

When college-aged women in Charlottesville, Va. go missing, the search for answers leads authorities to local star athlete Jesse Matthew Jr.; in a shocking story, two women are killed, but another survives to bring the murderer to justice.

When college-aged women in Charlottesville, Va. go missing, the search for answers leads authorities to local star athlete Jesse Matthew Jr.; in a shocking story, two women are killed, but another survives to bring the murderer to justice.

In the fall of 1977, bodies of young women begin piling up in Los Angeles; almost all of the victims are nude, discarded on hillsides, and show signs of torture; it is nearly a year before two murders 1,200 miles away uncover the Hillside Stranglers.

In the fall of 1977, bodies of young women begin piling up in Los Angeles; almost all of the victims are nude, discarded on hillsides, and show signs of torture; it is nearly a year before two murders 1,200 miles away uncover the Hillside Stranglers.

A husband becomes the prime suspect when his wife goes missing as police discovers his checkered past; lacking a body or evidence of foul play, detectives hope to gain a confession from a man they realize might be a cold-blooded psychopath.

Terror rocks an Ohio town when a mother, her two kids and a close friend vanish; investigators track down the prime suspect and uncover a house of horrors; detectives find themselves dealing with a psychopath with a bizarre obsession.

Police catch a break on three cold case murders when emerging DNA technology makes a stunning match, a 73-year-old man who's been in prison since 1993; detectives interrogate the frail man whose harmless façade is hiding a murderous psychopath.

When being interviewed by police, psychopaths often use manipulation to thwart the investigation; experts explore the anatomy of the key manipulative tactics of psychopaths and how they try to utilize them for their own sinister gain.

Christina Thomas believes her brother, John, the first time he nearly kills a woman; she forgives him when he murders another; but when it happens again, she wonders why she trusted him and how she missed the signs he was really a devil in disguise.

Audrey agonizes about why her brother murdered their mother and sister in cold blood.

Larry Nassar becomes the go-to doctor for treating injured gymnasts after he helps the USA win Olympic gold; young women flock to him for rehabilitation; it takes years before the true cost of his medal-winning techniques comes to light.

Jessy Kurczewski calls police to report that she found Lynn Hernan dead in her recliner; the toxicology report shows a toxic ingredient in Lynn's blood and the authorities take a closer look at Jessy.

Audrey agonizes about why her brother murdered their mother and sister in cold blood.

Larry Nassar becomes the go-to doctor for treating injured gymnasts after he helps the USA win Olympic gold; young women flock to him for rehabilitation; it takes years before the true cost of his medal-winning techniques comes to light.

When a young woman is found dead in her car, her husband claims she took her own life, but there are two bullet wounds in her head.

For years, every time Gabi Blair walks past the freezer, she shudders at the thought of the horrors hidden inside; forced to keep secret her mother's crimes, she prays that someone will discover the truth before she becomes her mother's next victim.

Shauna Howe, only 11 years old, disappears as she returns home from a Girl Scout Halloween party; when Shauna's body shows up in a local creek, her murder ignites an investigation whose conclusion sends a shockwave through her community.

The body of a 74-year-old woman is found bludgeoned to death, the gruesome discovery sends shock waves across the community; suspicion and paranoia take control.

New evidence leads Rush and Valens to reopen the case of a murdered woman who was assumed to be a prostitute in 1939.

The team reopens the murder case of a 6-year-old orphan and discovers that his parents' true identity may be what is needed to crack the case.

The discovery of a bullet-riddled body leads to an investigation into the 1970s world of disco, cocaine and sex.

A vibrant and inspiring group from Denver's creative community spreads messages of love and inclusion, attracting many online followers; soon they become the target of a hateful and violent member of the online manosphere with shocking consequences.

Anime-obsessed teenager Bianca becomes an inspiring mental health advocate online and changes lives; but on forums and social media accounts, she discovers a horrifying and violent underbelly: young men primed to threaten, harm and attack.

Stephanie is a feisty, loveable young woman from New Jersey, who is building a brand as a bespoke makeup and SFX artist online; but offline, her life becomes complicated and spirals into mystery when she vanishes into thin air on Halloween Eve.

Mary Jane Fonder becomes obsessed with the new priest at her church; Wanda Stopa falls for a married man and hurts the person he loves most; after a breakup, Sabrina Koudier becomes convinced her children's nanny is a spy for her ex-boyfriend.

Accused murderer Dr. Shirley Turner has a history of affairs with younger men; Gina Spann's need for attention takes a deadly turn.

When love goes wrong, it is a dangerous game for women who kiss, then kill.

A warped young woman celebrates her husband's birthday with a thrill kill; a newlywed reveals her violent side; a young woman seeks revenge after her lover is convicted of a crime.

When Heidi's alcoholic husband, Chris, goes missing, she searches far and wide to find him, getting help from Chris' wider family; after a missing person's report is filed, police uncover a dark secret hidden in the basement of the marital home.

Amanda Perrault's dream move to a lake house with her husband and his young daughter turns into a nightmare; a campaign of abuse and terrifying home invasions lead to murder; a sheriff must outwit a calculating killer and bring justice.

When Olivia marries Christopher Jones, a correctional officer, he runs his home like a prison; on Feb. 14, a day made for love turns into a day of horror, and a home security system helps detectives realize all is not what it seems.

Maria's world shatters when her husband Joel, starts an affair; she fights to save their marriage, but Joel refuses to give up his mistress, and Maria's patience runs out; when she threatens divorce, Joel makes a deadly plan to stop her.

In the mountains of Colorado on Thanksgiving Day 2018, a young pilot goes missing without a trace, leaving behind her baby; police follow the few clues they have and unravel a story far more bizarre and horrifying than anyone could have imagined.

Kerissa Fare is thrilled to be September 2000's Playmate of the Month; just as the magazine is about to hit newsstands, a mysterious man from her past becomes a suspect in multiple murders, and investigators want to talk to her.

Elizabeth meets with the Harris family to investigate the tragic loss of their beloved daughter, and sister, Sarah; what was supposed to be a routine dental visit for Sarah turned into a toxic and dangerous relationship with a well-respected surgeon.

In 1981, thirteen-year-old Mary Day vanishes and Investigators suspect her stepfather may have killed her, but they never recover her body; decades later, a woman claiming to be Mary appears, stirring suspicions on what happened.

Kerissa Fare is thrilled to be September 2000's Playmate of the Month; just as the magazine is about to hit newsstands, a mysterious man from her past becomes a suspect in multiple murders, and investigators want to talk to her.

Elizabeth meets with the Harris family to investigate the tragic loss of their beloved daughter, and sister, Sarah; what was supposed to be a routine dental visit for Sarah turned into a toxic and dangerous relationship with a well-respected surgeon.

In 1981, thirteen-year-old Mary Day vanishes and Investigators suspect her stepfather may have killed her, but they never recover her body; decades later, a woman claiming to be Mary appears, stirring suspicions on what happened.

A mother's bond to her daughter is put to the ultimate test when one of them shoots a man dead.

Jonathan Levin, a popular teacher at a Bronx, N.Y., high school, is found dead in his apartment; police discover he's the son of a wealthy executive, setting off an explosion of rumors in the press and a massive manhunt for Levin's killer.

A young millionaire couple goes missing from their estate, and their Lamborghini turns up in the Everglades; detectives worry they are the latest victims of a gang of brutal bodybuilders who target Miami entrepreneurs and bleed them dry.

During a frigid winter in St. Paul, Minn., 30-year-old Kira Steger fails show up at work, and her family and friends fear she may be in danger; her disappearance results in a three-month investigation leading to a heartbreaking conclusion.

In New York, a home healthcare worker disappears on an icy night, and her loved ones lead the search for her safe return, then a series of incoming text messages and a missed call reveal a soul-crushing truth about what happened to her.

A hunter is found shot to death on a frigid fall evening in Missouri, and investigators uncover a web of infidelity and lies, leading to the least likely of suspects.

Randy Scheffield's family finds him dead in his bed and assumes he has succumbed to a heart attack, but detectives slowly uncover a murder conspiracy that will rock Scheffield's small town for years to come.

Miami businessman Henry Diaz goes missing the night before a family vacation.

The body of 20-year-old student Sandra Bonaventure is discovered in a garbage bag on a sidewalk in New York City; the trail of clues lead to a cold-hearted killer who possesses an astonishing talent for deception.

Secrets emerge in a quiet neighborhood when young mother Stacey Shoemaker is shot dead; the once tight-knit cul-de-sac in Wagoner, Okla., is now full of suspicions, finger-pointing and fear.

A farmhand In Rapelje, Mont., finds her co-worker murdered; as authorities look for the murderer, all of the employees on the pig farm become suspects.

After James Skinner turns up dead in his own bedroom, the agricultural community of Brownstown, Ill., enters into a paranoid spiral, unsure who would want to kill this beloved local rodeo rider and cattle rancher.

After a young father goes missing from work, the small town of Challis, Idaho, is abuzz with tales of infidelity and finger-pointing, leaving investigators to decipher what is fact and what is fiction.

A dismembered corpse floating in Thunder Bay opens up a vexing mystery.

Arson investigators find a man dead in a burned-out home; the police investigation quickly uncovers victim number two; it's up to Detective Meroni to catch the killer before he strikes again.

Police find an accomplished U.S. Forest Service worker executed beneath a mound of snow in Northern California; a missing wallet and a pair of jumper cables send Investigator Greg Hagwood on a multi-state manhunt for the killer.

In Minnesota, firemen put out a housefire and find a woman's body inside; Agent Rob Fraik learns that the victim was babysitting a friend's daughter, who is now missing; it is a race against time to track down the killer with a horrifying motive.

Detectives turn to CCTV footage following the shooting of an elderly man taking a nighttime walk in Loveland, Texas; the surveillance images reveal that the driver of an old pickup truck could hold the key to identifying the man's killer.

A series of murders puts the residents of a small town on high alert; as bodies continue to pile up, the urgency escalates, pitting Detective Dave Frankel in a race against time to capture a deranged spree killer before he claims his next victim.

On Sept. 6, 2024, aspiring rapper Michael Munson is found shot in his car, with cash and drugs pointing to a motive; witnesses flee in a grey Charger, which later appears at another shooting; detectives suspect a link, but can they prove it?

As cameras follow the work of Grand Rapids patrol officers, Deputy Chief Joe Trigg must navigate the chaos of a high-stakes series of shootings, high-speed chases and standoffs.

A series of murders puts the residents of a small town on high alert; as bodies continue to pile up, the urgency escalates, pitting Detective Dave Frankel in a race against time to capture a deranged spree killer before he claims his next victim.

On Sept. 6, 2024, aspiring rapper Michael Munson is found shot in his car, with cash and drugs pointing to a motive; witnesses flee in a grey Charger, which later appears at another shooting; detectives suspect a link, but can they prove it?

As cameras follow the work of Grand Rapids patrol officers, Deputy Chief Joe Trigg must navigate the chaos of a high-stakes series of shootings, high-speed chases and standoffs.

Detectives turn to CCTV footage following the shooting of an elderly man taking a nighttime walk in Loveland, Texas; the surveillance images reveal that the driver of an old pickup truck could hold the key to identifying the man's killer.

Ty Underwood leaves her insular hometown to start afresh, vowing to be forthright with potential suitors about being transgender; her shocking murder exposes chats with anonymous men on a phone app.

After losing his dream girl to an older guy, Seath Jackson launches into a bitter social media war with his ex and her new man; soon after, Seath disappears and detectives work to find out if this is a runaway case or something more serious.

An excavation project unearths the remains of a man and a woman who had been active in the counterculture scene before disappearing in 1969.

Rush and Valens reopen the 1987 case of a high-school basketball star who was stabbed to death hours after leading his team to the state championship.

A drunken driver's hit-and-run confession leads the detectives to discover that foul play -- not an accident -- may have killed the victim.

In the fall of 1994, an elementary school principal is found tied to a tree outside Oklahoma City, launching a nationwide manhunt for Franklin Delano Floyd and exposing a decades-long reign of terror and abuse.

An Iowa mother gets hailed a hero when she shoots an intruder in her home, but as the case evolves, investigators learn a very different truth; detectives face off against a master manipulator hell-bent on revenge at any cost.

While fighting a raging fire, firefighters discover a burnt-out sports utility vehicle with the charred remains of a missing man, igniting an investigation into a sinister scheme and exposing a deadly affair.

A house on Elm Street goes up in flames; inside, firefighters discover two bodies impaled with swords; police quickly identify the male victim, but the female victim remains a mystery.

A hippie grandpa goes missing on Halloween and turns up in his van, dead, on Elm Street; detectives look into who might have killed this beloved family man, only to find they are on the trail of someone who has most likely killed before.

What started as small-town hijinks leads two teenagers to go missing on Thanksgiving; when investigators get a phone call from a man who claims he is responsible for the deaths while defending his home, they must determine truth from madness.

When Samuel Johnson Jr. suddenly vanishes, investigators find themselves face-to-face with two sisters who know something; through a series of interrogations, they reveal an elaborate murder plot meticulously engineered by a puppeteer.

In early 1980, two eerily similar crimes occur 400 miles apart; they both leave young mother dead and an infant child stolen; years later, police unravel a plot so cold-blooded, it leaves everyone even seasoned homicide detectives in utter shock.

On April 17, 2015, a Virginia hunter makes a grisly discovery in the woods, finding a woman with an execution-style gun shot wound to the back of her head.

An unapologetic 14-year-old boy confesses to the murder of his best friend; twelve years later, he is back in court with a chance at a reduced sentence.

A longtime nurse confesses to helping end the lives of numerous elderly patients at multiple nursing homes; detectives discover this is no angel of mercy; behind her unsuspecting persona lies a ruthless psychopath.

Experts delve into chilling cases of.

A woman dies in a brutal stabbing at home; police quickly locate the prime suspect, her ex-boyfriend Antoine Bynum; in his interrogation, he appears to have a psychotic episode until detectives discover it's merely the ruse of a deranged psychopath.

A Colorado woman is missing and her roommate may be a rare female psychopath and a skilled manipulator.

Audrey agonizes about why her brother murdered their mother and sister in cold blood.

Larry Nassar becomes the go-to doctor for treating injured gymnasts after he helps the USA win Olympic gold; young women flock to him for rehabilitation; it takes years before the true cost of his medal-winning techniques comes to light.

A crash on a North Dakota highway leaves one passenger dead but the driver unscathed; when investigators see that the victim has stab wounds, they know there was foul play; detectives interrogate the driver.

A lone gunman shoots a young man and woman on their way home from the gym where they work; while interrogating a suspect, detectives learn that this is no random attack but the twisted plan of a deranged psychopathic stalker.

Audrey agonizes about why her brother murdered their mother and sister in cold blood.

Larry Nassar becomes the go-to doctor for treating injured gymnasts after he helps the USA win Olympic gold; young women flock to him for rehabilitation; it takes years before the true cost of his medal-winning techniques comes to light.

An unapologetic 14-year-old boy confesses to the murder of his best friend; twelve years later, he is back in court with a chance at a reduced sentence.

A longtime nurse confesses to helping end the lives of numerous elderly patients at multiple nursing homes; detectives discover this is no angel of mercy; behind her unsuspecting persona lies a ruthless psychopath.

A woman dies in a brutal stabbing at home; police quickly locate the prime suspect, her ex-boyfriend Antoine Bynum; in his interrogation, he appears to have a psychotic episode until detectives discover it's merely the ruse of a deranged psychopath.

A Colorado woman is missing and her roommate may be a rare female psychopath and a skilled manipulator.

When beloved disc jockey Alberto Martino is found bludgeoned to death outside his radio station, it's appears to be a robbery gone wrong; police quickly learn that Martino was not a random victim but the focus of a carefully orchestrated homicide.

An exotic dancer is found dead at the bottom of a bridge, and detectives try to determine if it's a suicide or foul play.

Three bodies are discovered in a burned-out home in Scottsdale and a fourth family member is missing; investigators realize they have a triple homicide on their hands and embark on a decades-long manhunt.

In a small town in Florida, a charismatic pastor and his wife take in a young woman from their congregation, and months later they announce her as a surrogate for their child; when she disappears, the true story begins to emerge.

In rural Kentucky, police receive a distressing call about the brutal killing of a family in their home; authorities learn the son is the sole survivor of the attack by a disgruntled ex-handyman, but his recollection of the murder doesn't add up.

On Christmas day, detectives are called to a crime scene where they find a young woman bound, gagged and mutilated in a horrific manner; then the killer turns his sights on Homicide Detective Molly Daul.

When Detective Molly Daul works two homicides back to back, she realizes she's dealing with a sexual predator who targets trusting young women; arrested before he can kill again, his chilling confession remains with the detective to this day.

When Ashley Benson is found murdered in a trendy Portland, Ore., hotel, detectives quickly dial in on three suspects, all of whom have been romantically linked to Benson whose parents must come to grips with their daughter's secret life.

Stories about crime victims, their families and the search for truth and justice.

Stories about crime victims, their families and the search for truth and justice.

James Dailey is convicted of the murder of a 14-year-old girl in Florida; he is sentenced to death, but he maintains he is innocent.

James Dailey is convicted of the murder of a 14-year-old girl in Florida; he is sentenced to death, but he maintains he is innocent.

In Youngstown, Ohio, in 2017, an unsuspecting married couple discover body parts in a mysterious, locked freezer that someone put in their basement, unlocking a harrowing mystery surrounding a missing woman and a tragic love triangle.

A killer brutally murders well-known community activist and member of the gay community Dennis Dolinger in the basement of his Washington, D.C., home.

In 1978, a shocking murder in broad daylight terrifies a small Illinois town; it goes unsolved for years, until an elite team of investigators uses cutting-edge technology to dig up new clues and lay a cunning trap to catch a killer.

Tracing the time immediately before an individual vanished for critical clues about the disappearance.

Officers with the Evansville police department arrive at a crime scene to find a shooting victim barely alive and needing medical attention; the stakes get higher after they realize there might be another injured victim who's now missing.

Officers examine a trailer filled with cooking supplies and unearth a GPS tracker, the kind cartels use to watch their loads; US citizens who accidentally approach the international border are inspected, and it turns out they have a few secrets.

On Sept. 6, 2024, aspiring rapper Michael Munson is found shot in his car, with cash and drugs pointing to a motive; witnesses flee in a grey Charger, which later appears at another shooting; detectives suspect a link, but can they prove it?

The Bryan, Texas, Police Department investigates the shooting of 23-year-old local landscaper Jose Armando Pina; a masked perpetrator flees the area via a path thick with brambles, leaving behind vital evidence.

Officers examine a trailer filled with cooking supplies and unearth a GPS tracker, the kind cartels use to watch their loads; US citizens who accidentally approach the international border are inspected, and it turns out they have a few secrets.

On Sept. 6, 2024, aspiring rapper Michael Munson is found shot in his car, with cash and drugs pointing to a motive; witnesses flee in a grey Charger, which later appears at another shooting; detectives suspect a link, but can they prove it?

As cameras follow the work of Grand Rapids patrol officers, Deputy Chief Joe Trigg must navigate the chaos of a high-stakes series of shootings, high-speed chases and standoffs.

Lima, Ohio police race to a chaotic scene at an after-hours nightclub following a shooting that leaves one person dead and multiple others injured; as they try to identify the shooter, dozens of patrons flee in fear, confusing first responders.

In Newaygo County, Mich., Marty and Glenna Duram are found gunned down in their home; investigators find evidence of a troubled marriage at the heart of this crime as well as a pet parrot that repeats Marty's last words.

Dr. Mark Wangler and his wife, Kathy, appear to be living the American dream, then a cold premeditated execution tears their family apart.

A custody battle turns deadly as twin sisters craft a complicated cross-country conspiracy to do-in the one person standing in their way as the children bear witness to the plan.

Teenager Charity is a cheerleader who earns good grades and works at the local pizza parlor; however, to her mother and sisters, Charity is possessed by a demon that needs to be dealt with.

A well-intentioned social worker goes missing after becoming involved with two sisters raising children in a trash-ridden house.

A lone survivor is the only witness who can help police track down a serial killer known as the Grim Sleeper preying on women in South Central Los Angeles; after decades of searching, police hone in on an unlikely suspect.

Investigators search for links to the mysterious cases of five young people who disappear over a span of four years in the rural area of Lewis-Clark Valley along the Idaho-Washington border.

A Christian couple's weekend getaway takes a tragic turn when they are found murdered on a northern California beach; satanic imagery found nearby leads local sheriff's deputies on a manhunt.

The identity of the killer responsible for stabbing 22-year-old Maurice Skeen during a street brawl in Albany, N.Y., lies hidden in chaos; facing an almost total lack of physical evidence, detectives must decode the digital to unmask the perpetrator.

When single dad David Heisler goes missing, digital clues lead detectives into the desert, but the trail stops cold; investigators ask digital forensics experts to help them unravel this twisted mystery and reveal the truth of what happened.

After the murder of young mother Morgan Ashlye Fox, investigators don't have much physical evidence; with numerous suspects in the frame, digital evidence reveals the secrets of a monster hiding in plain sight.

The tragic murder of a 14-year-old girl who was walking her dog in Armada, Mich., leaves behind little physical evidence, forcing investigators to enter the digital world in search of virtual clues the killer might have left behind.

Radio disc jockey Alan Lee Lama moves more than a thousand miles to be with a woman he met online, then her best friend gets involved, ensnaring Lama in a bizarre love triangle.

Vulnerable mother Laura Simonson seeks comfort in the online world of sexual bondage and falls prey to a user who goes by the handle, Mr. Handcuffs.

When a beautiful young woman moves to New York City, a chance encounter leads to romance; however, her boyfriend finds her popularity on social media hard to swallow; tragic chain of events unfolds in which her unique tattoo plays a critical role.

When a teenager goes missing after meeting someone online, police discover a predator far more dangerous than they ever imagined: a serial killer on the loose.

Twenty-seven-year-old Gretchen Fleming is figuring out her life while living in her hometown of Parkersburg, W.V.; after a night out in town, Gretchen is last seen leaving a local bar with a mystery man and is never heard from again.

In 2001, sisters Diamond and Tionda Bradley vanish from their Chicago apartment; after 22 years, Detective Pam Childs gains access to the family, revisiting critical scenes, interviews, and inconsistencies.

Kidnapped at gunpoint, Schanda Handley knew exactly who was behind it -- her ex-husband, Michael Handley; a tumultuous relationship riddled with threats and assaults turned even more hostile the day Schanda was convinced she would die.

In 2001, sisters Diamond and Tionda Bradley vanish from their Chicago apartment; after 22 years, Detective Pam Childs gains access to the family, revisiting critical scenes, interviews, and inconsistencies.

A night out for two friends in Los Angeles ends in tragedy after masked men drop them off at separate hospitals; the young women die from drug overdoses, and police immediately suspect foul play; Jonathan Vigliotti investigates.

Tracing the time immediately before an individual vanished for critical clues about the disappearance.

In Rockville, Md., 1993, a woman finds her sister and nephew killed in cold blood; a daughter becomes an unwitting pawn in a brutal murder plot; a prosecutor makes it his personal mission to bring a killer to justice.

Paskiel Wolfe seeks revenge for the dismemberment of his son; 18-year-old Brook Weber desperately tries to escape from the metal footlocker in which she has been imprisoned; a rookie detective is assigned to a case that will define his career.

In Harlem, N.Y., a couple discovers it's not better to have the upstairs apartment.

A young family builds their dream home in the Kentucky Hills, but their slice of heaven turns into a hellish experience for the quiet couple living next door; a dispute over a shared road leads to fireworks, fury and cold-blooded murder.

A single woman and her two young sons believe they have found a perfect new apartment, but their overbearing landlord and neighbor soon turns their idyllic situation into a living hell of arguments and intimidation that finally ends in bloodshed.

Flooding in Australian wine country raises an argument over an old fence separating neighbors; the dispute escalates from repeated screaming matches and threats to physical fighting and vandalism, culminating in a brutal stabbing death.

An 18-year-old named Kyle Farishian is brutally attacked by a masked assailant; with no physical evidence, detectives scrutinize the store's footage for clues.

In Danville, Ky., a pawn store robbery leaves three people dead; detectives seek to identify the suspect, and their only lead is a mysterious silver van; using a trail of videos to pursue the elusive vehicle is their only hope of catching a killer.

In 2018, an explosion kills Anthony House on his doorstep; as police investigate, another bomb goes off, killing teen Draylen Mason; it becomes clear that Austin, Texas, is under attack from a serial bomber; police must use CCTV to track him down.

Detectives rely on surveillance footage at a hospital in Tyler, Texas, when patients mysteriously start dying in the intensive care unit.

A suspect's car going 45 miles per hour drags a Pembroke Pines, Fla., PD officer behind it; a domestic dispute turns into a shootout, leaving one officer fighting for his life; a routine traffic stop turns into a car chase.

In New York, a domestic disturbance takes a turn which changes a police chief's life; in Florida, an officer separates from his K-9 while chasing two suspects; in Indiana, an officer stares down the barrel of a suspect's gun.

In Wisconsin, a K-9 saves officers' lives by taking down an armed fugitive but gets shot in the head; in Connecticut, a patrolman comes under fire during a store robbery; in Oklahoma, a head-on collision with a deputy leads to a full-scale manhunt.

An unknown killer tortures and murders a couple in January 2011; DNA links an unexpected suspect to the crime, and investigators must rely on recorded jailhouse phone calls to gather solid evidence and bring the culprit to justice.

A distraught husband cannot locate his wife; Police discover a videotape, and the grainy footage points to a grisly demise.

In December 2001, the brutal murder of Robert Fingerhut, the respected owner of two bus stations, spurs an investigation that reveals a sordid relationship of lust, lies and murder; jail calls hold the killer's secrets.

To deal with the pressure of balancing school and work, Flora Williams turns to prescription pills, then she falls in love with an older man named Matt, and their relationship takes a volatile turn.

A bored teenager looking for trouble finally finds it after becoming pregnant; Heather finds stability with Terri, then begins to feel as though she isn't getting the attention and loyalty she needs, and their relationship take a deadly turn.

Matt Garcia, a city councilman in California, is shot dead; drug dealers, political rivals, and even Matt's own father are all suspects.

When tragedy strikes, it sends Paula down a path of pain and despair, but she gets her life back on track after years of hard work, then a demon lurking inside awakens turning Paula's new life upside down.

A bored teenager looking for trouble finally finds it after becoming pregnant; Heather finds stability with Terri, then begins to feel as though she isn't getting the attention and loyalty she needs, and their relationship take a deadly turn.

Matt Garcia, a city councilman in California, is shot dead; drug dealers, political rivals, and even Matt's own father are all suspects.

When tragedy strikes, it sends Paula down a path of pain and despair, but she gets her life back on track after years of hard work, then a demon lurking inside awakens turning Paula's new life upside down.

To deal with the pressure of balancing school and work, Flora Williams turns to prescription pills, then she falls in love with an older man named Matt, and their relationship takes a volatile turn.

Scott Dell's death looks like a suicide, but Detective Ken Leppert digs a little deeper and begins to suspect Dell has been murdered.

After cab driver Lucie Turmel is found brutally murdered in the tourist town of Banff, Alberta, RCMP Detective Doug Morrison struggles with no solid leads and thousands of possible suspects.