Wisconsin officers cautiously approach a reckless driver's wrecked car who refuses to exit the vehicle and opens fire on them; in Washington state, a community rallies to protect two officers shot in the line of duty.

In Wisconsin, Rhinelander PD attempts to foil a murder for hire by going under cover and meeting the suspect as a hit man; in Colorado, law enforcement from two counties try to stop a runaway semi-truck before it damages the little town of Brush.

Arkansas police stop a knifeman enraged over a midnight pot roast; in Delray Beach, Fla., officers must rescue two children teetering on a ledge with their mother who is high on drugs; in Utah, a trespasser attacks an officer with his own baton.

In New Mexico, a female officer pulls over a truck, but when she approaches, shots ring out; in Ohio, officers surround a house where men take a victim at gunpoint, the suspects escape with a second hostage, and a full-scale manhunt ensues.

In Oregon, a murder suspect flees from the courthouse sparking a manhut; in Arizona, an art heist has officers reaching new heights.

In Ohio, officers and firefighters rush to save lives after a gas explosion in a tower block; fifty miles across state, a carjacker pulls a mom out of her vehicle, taking off with her kids in the back; in Wisconsin, a bizarre theft of a snowplow.

In New Mexico, an inmate faking a heart attack jumps a prison guard; the suspect escapes in the van, taking two fellow inmates with him and sparking a manhunt; in Nebraska, a family enjoying their July 4th faces a firework attack by a random family.

A brutal murder rocks a close-knit trailer park community in Kansas City, Kan.; with a 19-year-old female on the run, detectives begin to suspect that a family fight may have taken a deadly turn.

Police break into an apartment to save the lives of two women as their machete-wielding attacker leads officers on a pursuit; in Wisconsin, a winter storm causes a multi vehicle pile-up.

In the early morning hours, at a warehouse music venue in Texas, someone shoots a man who later succumbs to his wounds; police find a chaotic crime scene; they search for answers on who shot Keyundta Barrett and the location of the murder weapon.

In Cleveland, Texas, a man guns down Conbino Crasto during a gas station robbery; surveillance video sends police on a hunt for three masked suspects.

Police break into an apartment to save the lives of two women as their machete-wielding attacker leads officers on a pursuit; in Wisconsin, a winter storm causes a multi vehicle pile-up.

In the early morning hours, at a warehouse music venue in Texas, someone shoots a man who later succumbs to his wounds; police find a chaotic crime scene; they search for answers on who shot Keyundta Barrett and the location of the murder weapon.

In Cleveland, Texas, a man guns down Conbino Crasto during a gas station robbery; surveillance video sends police on a hunt for three masked suspects.

A 17-year-old boy is shot in the early hours of the morning on a suburban Kansas City street; detectives race to uncover who is responsible for the murder.

Donna Fontaine and her boyfriend, Fred Palahniuk, are found shot dead in a burning building in remote Kendrick, Idaho; a conspiracy of silence protects the killer until his lovers crack and confess the damning evidence needed to convict him.

In Mack's Creek, Mo., 42-year-old Trudy Darby is murdered, then two more local women go missing; silence reigns in town until a call out of the blue reveals that the killers are uncomfortably close to home.

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.

Crime experts explore the motives and modus operandi of female killers; while males are often driven by anger, impulse and destruction, women usually have more complex, long-term reasons to kill.

Some women marry for money while others are prepared to murder for it.

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.

Christine's life with abusive husband Shane is a cycle of fear, humiliation and violence; after Christine escapes with her children, Shane sets off in pursuit, kicking off a series of terrifying and shocking events leading to a bloody conclusion.

Following her divorce, Cristi buys a new home that needs some work and hires a handyman who becomes fixated on her.

Eighteen-year-old Misty's parents warn her against becoming involved with a man who is nearly 15 years her senior, but no one realizes that Misty is actually in horrible danger.

When Montreal teenager Zainab Shafia meets Ammar Wahid, it's love at first sight, but their relationship is forbidden by her strict father who will stop at nothing to ensure his daughter obeys his rules of honor.Guests: Raven Cinello..

Teenagers keep their high-school romance a secret from a domineering father with traditional values; when the truth comes out, a heartbreaking choice between love and family brings devastating consequences.Guests: Raven Cinello..

A high-flying attorney embarks on an illicit affair with one of his clients, then the secret affair is revealed, and the laws of attraction prove fatal.

A West Philadelphia neighborhood is left reeling when a high school track star, who had her eyes set on Olympic glory, disappears without a trace.

A group of girls begin lifelong friendships at church camp; as they become adults, life takes them down different roads through troubled relationships and unexpected pregnancies; their bonds remain until one of them disappears.

The Bobbies function like a high school sorority; they're a philanthropic organization also known for wild initiation rituals and social exclusivity; when someone murders one of their own, every Bobbie becomes a suspect.

A deserted, bloody vehicle makes detectives suspect murder; their investigation plunges them into Florida pageantry's cutthroat world and an unlikely suspect, unraveling a sordid tale of deceit and a shocking fall from grace.

In Craig, Ala., townspeople are shocked when police discover the charred body of beloved mother and wife Lauri Waterman; people have no idea who would want to kill her, then an unlikely witness reveals a sordid story of secrets and lies.

Gunmen shoot a man in his driveway, and detectives uncover a chilling murder-for-hire plot; multiple generations of a family land in the crosshairs as police find evidence of a scheme driven by lies, manipulation and a collection worth killing for.

Killers murder an adrenaline-junkie young father, and detectives sift through tales of illegal chicken fighting, drag racing, cheating, and a mysterious figure nicknamed "The Witch Doctor.".

Best friends take a girl's trip before applying to grad school; when one of them doesn't make it home, everyone wonders, what happened in Vegas.

Gunmen shoot a man in his driveway, and detectives uncover a chilling murder-for-hire plot; multiple generations of a family land in the crosshairs as police find evidence of a scheme driven by lies, manipulation and a collection worth killing for.

Killers murder an adrenaline-junkie young father, and detectives sift through tales of illegal chicken fighting, drag racing, cheating, and a mysterious figure nicknamed "The Witch Doctor.".

Best friends take a girl's trip before applying to grad school; when one of them doesn't make it home, everyone wonders, what happened in Vegas.

In Craig, Ala., townspeople are shocked when police discover the charred body of beloved mother and wife Lauri Waterman; people have no idea who would want to kill her, then an unlikely witness reveals a sordid story of secrets and lies.

A New Year chill is in the air when a woman and her daughter are savagely murdered in their Woburn, Mass., home; detectives take a shot in the dark while solving this mystery.

In Iowa, Shirley Wilson's son finds her stabbed to death in her home; with no evidence of forced entry, detectives believe this grandmother of 12 knew her assailant, leaving the family wondering who has betrayed them in cold blood.

Tiffanie Adams' body is found in a field; a small-town sheriff must retrace the expectant mother's steps to catch her killer; Tiffanie's online life points the way to a dark secret and a ruthless murderer.

While dating an older man, 18-year old Brittany Clardy's life veers from that of a model student to a lost soul, then she disappears, and her family panics; now, investigators must unravel her complicated life filled with secrets and regret.

Indle King hasn't seen his wife, Anastasia, since she abandoned him at the Moscow airport; after returning to Seattle alone, King meets with detectives tasked with unraveling the series of events that led to his mail-order-bride's disappearance.

In Saguache, Colo., mountain bike pioneer Mike Rust disappears from his home, and his remains are not found until seven years later.

The shooting of local ladies' man Jim Cornwell outside his home takes July Fourth festivities on a tragic turn; after multiple suspects tied to Jim's romantic life emerge, a confession arises that shatters the image of an Ozark community.

In Germantown, Ohio, Alyce Seff's body is found in a wishing well, and the townspeople are shocked to learn the elderly landlady had as many enemies as she did friends; it will take police nine years to solve her case.

MaryAnn Clibbery is brutally murdered at the remodeling business she owned in Loves Park, Ill.; then, a suspicious bag found floating in an icy river unlocks the secrets of her brutal slaying.

In Shawnee, Okla., Marshall Dent goes missing on Christmas Eve, and the Native American community bands together; after weeks of searching, they find Dent in a shallow grave on sacred ground, and authorities scramble to find his killer.

Casey, Ill. looks to their own citizens when they find out a house fire didn't kill Scott Collins, it was murder; secrets revealed about his life aren't enough to lead to his killer, it's his German Shepherd, who holds the key to solving his case.

Popular high school student Riley Crossman disappears, igniting a statewide search; investigators discover her body, and they have their hands full when the students and residents of Berkeley Springs become suspects.

An Alaskan gold miner and political activist vanishes without a trace.

After a woman is found slain in her bed, investigators use a bloody hand print, an ax and evidence from multiple break-ins to help solve her gruesome murder.

The scene of a young girl's murder reveals a name tag in a bloody sweatshirt.

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.

Carol Lapaglia waits 25 years to marry the love of her life, Jack Parkes; six weeks before their wedding in Kennedy Township, Pa., she finds him shot to death in their living room.

A missing grocery clerk, 20-year-old Christina Ross, puts the town of Neenah, Wis., in a panic after a gruesome discovery; an unlikely resident comes forward with information that leads detectives to the people in her tangled love life.

When Robin Baxter is found dead floating in the Ohio River, the entire town of New Albany, Ind., bands together to find who's responsible; it takes over 20 years of crossing off suspects before an elusive clue cracks the case open.

In Aurora, Ind., the townspeople are horrified when beloved mother and hairstylist Leigh Jennings is killed in her own home.

A missing grocery clerk, 20-year-old Christina Ross, puts the town of Neenah, Wis., in a panic after a gruesome discovery; an unlikely resident comes forward with information that leads detectives to the people in her tangled love life.

When Robin Baxter is found dead floating in the Ohio River, the entire town of New Albany, Ind., bands together to find who's responsible; it takes over 20 years of crossing off suspects before an elusive clue cracks the case open.

In Aurora, Ind., the townspeople are horrified when beloved mother and hairstylist Leigh Jennings is killed in her own home.

Carol Lapaglia waits 25 years to marry the love of her life, Jack Parkes; six weeks before their wedding in Kennedy Township, Pa., she finds him shot to death in their living room.

State troopers arrive at the scene of a woman shot to death in her bed; they rule it suicide, but a tenacious detective reopens the case decades later; modern forensics, a double life and new witnesses turn the facts of the case on their heads.

Calls flood into Silverton PD dispatch about a man shooting Rashawn Berry in broad daylight and fleeing the scene. A key piece of surveillance footage on the killer's escape route shows that a broken heart could be at the center of this violent act.

Most high school romances end in heartbreak; however, Richard and Jolena rekindle their romance years later even though one of them is already married, and someone in this love triangle will wind up dead.

Charlene attracts more than one man with her beauty and one by one they all go crazy vying for her love; love may be heavenly, but for some it can be hell.

After 35 years together, longtime partners Julie and Keith become restless and begin to pursue very private adventures, reducing their once fiery love to ash.

After a farmer is found dead on his kitchen floor, everyone on the property becomes a suspect in a complicated investigation that leads to a shocking discovery.

The midnight murder of a snow plowman puts his friends on edge as their tiny town struggles to root out the culprit; police find a clue on the victim's forehead that may be the killer's calling card.

Killers murder an adrenaline-junkie young father, and detectives sift through tales of illegal chicken fighting, drag racing, cheating, and a mysterious figure nicknamed "The Witch Doctor.".

On a hot summer night in Springfield, Mass., a seemingly routine traffic stop turns into a nightmare when officers unknowingly apprehend a serial killer; they discover a torture chamber and several murdered women in a quaint suburban home.

In 2021, in a Norman, Oklahoma basement, police unwrap the gruesome contents of a suspicious box.

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.

When 32-year-old Adam Chase goes missing, police comb the woods and fields of Ontario County, New York, but come up with nothing; it takes a months-long efforts of a private investigator to at last reveal the truth and Adam's terrifying fate.

When a home invasion leaves Bill Ross murdered in his sleep, detectives in Shelbyville, Tenn., scramble to uncover the identity of a pair of masked men; as they dig deeper, they discover a troubling web of secrets and lies.

Ben Oxley is shot in the head at point-blank range while sleeping in bed; his wife becomes the focus of the investigation, but it will take years before investigators bring the killer to justice; sometimes crimes occur when key characters are asleep.

In Palm Beach County, Fla., detectives discover pregnant mother of three, Makeva Jenkins, brutally murdered in her sleep; they delve into her extensive use of social media as they look for clues, uncovering a twisted plot and betrayal.

In January 2014, Nathan and Krystal Maddox are gunned down just seconds after leaving a remote church in Texas; the brutal double murder leaves a close-knit community traumatized.

Michael and Rebecca Hargon vanish from their Mississippi home along with their young son; investigators discover Michael has recently come into an inheritance, and they are forced to confront the idea that his recent good fortune may be a factor.

Forensic technology years later solves the case of 20-year-old student Cathy Torrez who was found dead in the trunk of her own car.

A college woman re-enters the lives of two best friends over the Thanksgiving break; the result is pure chaos and death.

Forensic technology years later solves the case of 20-year-old student Cathy Torrez who was found dead in the trunk of her own car.

A college woman re-enters the lives of two best friends over the Thanksgiving break; the result is pure chaos and death.

Michael and Rebecca Hargon vanish from their Mississippi home along with their young son; investigators discover Michael has recently come into an inheritance, and they are forced to confront the idea that his recent good fortune may be a factor.

The Georges' lives turn upside down when greed rears its ugly head and someone in the family becomes marked; as investigators uncover the truth, some of the family members find themselves on the road to destruction.

For a Michigan family, winning isn't everything, it is the only thing; when a competition heats up, the family members wind up doing the unthinkable, and their Midwestern community comes face to face with multiple rounds of pure evil.

Police in two cities receive a series of bizarre 911 calls from a serial killer confessing his crimes; the man becomes known as the Weepy Voiced Killer due to his strange, whining voice.

Calling 911, a woman whispers that intruders broke into her home, bound her and her son and attacked her husband; police arrive to find the husband dead and the killers gone; investigators struggle to expose the twisted mastermind behind the crime.

A woman returns home to find her husband unconscious and bleeding on the floor of their horse barn; a 911 operator coaches her through CPR, but it's too late, and police later use the call itself to find clues to a plot to kill a beloved father.

Elisabeth and Frank reconnect after years apart, and Elisabeth's mother, Cheri, watches as their toxic relationship blows up and leads to a devastating fire; when the smoke clears, one lies dead, and the other sits behind bars.

During the day, Lorenzo Gilyard is a soft-spoken and well-liked man, but at night, he's a monster, preying on women; his best friend, a trained social worker, misses the signs; going inside the prison to get answers from the notorious serial killer.

Jenn grew up with a violent big brother, Jimmy, who preyed on his own family; she wants her incarcerated sibling to admit that he killed their mother.

A dismembered torso turns up in a Florida forest, and the discovery launches detectives across the U.S. to search for answers; with only a tattoo found on the victim, investigators must solve this horrific mystery before the killer is gone for good.

Police find Orlando Euell's body left for dead on the side of the road in Milwaukee; police examine extensive surveillance footage to learn about Orlando's last moments, including witnessing him get into the car that would take him to his death.

Dawn Sandoval is gone, and what seems like a typical missing persons case becomes a tangled web of mystery and secrets revealed.

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 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 killer shoots a young woman dead in her boyfriend's Orlando, Fla., apartment; hours later, he turns up in a hospital bed 500 miles away with a gunshot wound and a bizarre story that unravels to reveal he's a lying, callous psychopath.

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

Police respond to a 911 call to find a father dead in his home with more than 15 gunshot wounds.

Behind a church lies a dismembered body burned beyond recognition; investigators identify the victim and receive a tip the suspect is female; a police interview reveals her as the most remorseless psychopathic killer they've ever seen.

A 33-year-old oil rig worker calls 911 to report his girlfriend missing; he seems to be helping in the time-critical hunt to find her; a failed polygraph test leads detectives to suspect this seemingly caring boyfriend is a psychopath.

A 19-year-old woman vanishes, and the suspect is a former high school classmate with whom she had been communicating days earlier. The family is weary, for the suspect has a notorious past filled with sexual deviancy and homicidal urges toward women.

Patrick Bruce idolizes his fun-loving older brother, Lance; however, as he watches Lance descend into darkness, he feels powerless to stop him; he never imagines the horror of the unspeakable acts his brother is capable of - until it's too late.

A small-town marriage ends in tragedy when a man who uses a wheelchair discovers his loving wife of 10 years wants to end their marriage; a jury must determine if he acted in self-defense or murder.

Delve into the psyche of America's notorious serial killers.

Delve into the psyche of America's notorious serial killers.

Delve into the psyche of America's notorious serial killers.

Delve into the psyche of America's notorious serial killers.

Delve into the psyche of America's notorious serial killers.

Delve into the psyche of America's notorious serial killers.

When police arrest Adam Pennylegion's stepbrother, Dustin Duthie, some people blame steroids, but Adam has noticed Dustin heading down a dark path for years.

A small-town marriage ends in tragedy when a man who uses a wheelchair discovers his loving wife of 10 years wants to end their marriage; a jury must determine if he acted in self-defense or murder.

The abduction of a young mother from a crowded hospital parking lot is the beginning of a terrifying mystery that torments her loved ones for decades.

After a teenager mysteriously disappears, police must determine if a secret meeting with a young man led to her murder.

A teenager is found savagely stabbed to death in her home; police hope a trail of blood found at the crime scene will lead them to her killer.

After a young woman is viciously murdered, police launch a two-part investigation; one to find her killer and a second to identify his victim, Precious Jane Doe.

In a small Midwest town, three women bond over their love of Wicca and witchcraft, but when one of them becomes convinced that a more powerful witch has placed a curse on them; she vows to break the spell by killing the one who supposedly cast it.

In the cutthroat world of Vegas showgirls, Debbie Flores Narvaez isn't afraid to ruffle feathers as she climbs to the top; when Debbie goes missing, investigators must wonder if a jealous dancer or a romantic rival took her out.

High school freshman Keri Murphy isn't afraid to fight for a place in the competitive world of show choir; when she teams up with fellow songstress Rebecca Keller, their passions collide, and the only way to get what they want is for someone to die.

The beach can be a battleground for teenage girls vying for attention, but when two seaside beauties discover they are dating the same boy, they go to war with each other on social media and in real life, with tragic consequences.

Minnesota teen mom Cheyenne Clough is over the hallway dramas and petty jealousies of high school; she finds acceptance in a new crowd by moving in with two gals and their boyfriends, but after Cheyenne gets her own beau, distrust leads to death.

In 2004, a devoted group of Insane Clown Posse followers known as the Juggalettes rule the halls of the Blackhawk alternative high school in Illinois. However, when the Queen of the Clowns invites a new girl into her group, things turn serious.

A family lends a friend a place to stay but kicks her out after a blowup; instead of moving away, she buys a house across the street, kicking off a yearslong dispute ending in a hail of bullets, blood, death, and a community in shock.

A beautiful hamlet is home to a resident regarded as a pillar of the community; in reality, he is a twisted criminal bent on ruling the kingdom he has built and all who live in it; when his world crumbles, his retribution is violent beyond belief.

Friendly neighbors on a peaceful street have their lives disrupted when a developer moves in and builds houses nearby; tempers flare over the access road he uses for heavy equipment, which fuels escalating threats and confrontations.

When a single man buys a home in a rural community, he becomes fast friends with his neighbor until a minor parking issue sets them at odds; police are soon summoned for everything from horse manure to death threats.

A mother and daughter upscale their lives when they move into a beautiful suburban community; their next door neighbor takes an instant dislike to them and tensions rise until a vicious murder is caught on home video.

The paranoid delusions of one young man compel him to conspire against the unwitting family next door; over a series of months, his deteriorating mental condition escalates into a midnight shooting, which shakes the foundation of the neighborhood.

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.

A long-time resident of a suburban street descends into a morass of delusion, anger and paranoia that turns him against innocent neighbors; he eventually becomes wholly unhinged and unleashes his violent wrath upon his small Baltimore community.

Body cameras capture the life-or-death decisions made by police officers, from domestic disputes to traffic stops gone dangerously awry.

In the early morning hours, at a warehouse music venue in Texas, someone shoots a man who later succumbs to his wounds; police find a chaotic crime scene; they search for answers on who shot Keyundta Barrett and the location of the murder weapon.

A long-time resident of a suburban street descends into a morass of delusion, anger and paranoia that turns him against innocent neighbors; he eventually becomes wholly unhinged and unleashes his violent wrath upon his small Baltimore community.

Body cameras capture the life-or-death decisions made by police officers, from domestic disputes to traffic stops gone dangerously awry.

In the early morning hours, at a warehouse music venue in Texas, someone shoots a man who later succumbs to his wounds; police find a chaotic crime scene; they search for answers on who shot Keyundta Barrett and the location of the murder weapon.

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.

A young woman calls 911 because her boyfriend is missing and there is a pool of blood in their apartment; evidence leads investigators to the couple's roommate, a manipulative psychopath hell-bent on revenge, along with his loyal best friend.

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.

Investigators search a farm for a missing man and find a human leg bone on the property; the owner, Susan Monica, admits that her pigs ate her tenant alive, and he's not the only victim; Monica despises humans but loves her pigs.

The Tourniquet Killer terrorizes young girls across Houston, Texas, and when advances in DNA finally lead to his arrest, this psychopath eagerly confesses to multiple murders; weeks before his execution, he grants one interview in the spotlight.

A graduate student calls 911 to say she just shot her boyfriend, a 29-year-old attorney, in self-defense; police soon discover that her story doesn't add up and realize they are face-to-face with a psychopath.

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.

In the mid 1980s, Kansas City women start to vanish; they all share one thing in common, an odd connection to the same man who calls himself "The Slave Master"; police must be just as wily if they want to bring down this serial killing sadist.

The host sheds light on the American serial killer who calls himself "The Slavemaster" and reveals the twisted methodology behind his heinous crimes.

Host Donnie Wahlberg delves into the notorious crimes of Keith Hunter Jesperson, a serial killer in the 1990s, who drew smiley faces on his confession letters to local authorities.

A happy face is supposed to be a joyful symbol, unless it's on a letter from a killer.

A killer hunts vulnerable women in a quiet California community.

A killer hunts vulnerable women in a quiet California community.

Growing up, Ashley is a bright kid, but as she grows, she becomes troubled and violent; her father and sister watch as she changes into someone they no longer recognize; when she brutally murders her own grandmother, she tears the family apart.

Amy grows worried about her brother Joel's violent and erratic behavior, and his girlfriend, Melanie, suffers abuse at his hands; when a man is shot dead, Joel is engaging police in a lethal standoff.

Michelle looks up to her father, but over time, fear and disgust replaces respect; as a teen, her world changes forever as horrific revelations buried for years finally emerge; Michelle's father must answer for his crimes.

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

Katie always knew her grandpa, Buster, as a kind man; he has a dark past but is the center of their big, close family; then comes the murder; he is not the man Katie thought she knew; she finally learns the hard truth about her grandfather.

Lisa barely survives when her lover Corey attacks her, but the next woman does not.

An Ohio woman is incapable of throwing out her dangerous son, no matter how many times he threatens to kill her, and her devotion is the root of her demise.

A shooter guns down a soldier at home, but behind the tragedy lies a family torn apart by sex, manipulation and secrecy; investigators uncover a hidden world of sex parties, swinging and betrayal that culminates in a deadly act by a young killer.

For a year, NYPD follows a bloody trail of murder attempts against a real estate entrepreneur, only to discover that no one is who they seem; the victim has ties to a mob family, and the mastermind is closer than they realized.

Three horrific murders. Three different 911 calls. All three callers claim they're innocent - but for the police, the call can reveal so much more than just the facts of the case. Find out which of them is the real killer in disguise.

A shooter guns down a soldier at home, but behind the tragedy lies a family torn apart by sex, manipulation and secrecy; investigators uncover a hidden world of sex parties, swinging and betrayal that culminates in a deadly act by a young killer.

For a year, NYPD follows a bloody trail of murder attempts against a real estate entrepreneur, only to discover that no one is who they seem; the victim has ties to a mob family, and the mastermind is closer than they realized.

Three horrific murders. Three different 911 calls. All three callers claim they're innocent - but for the police, the call can reveal so much more than just the facts of the case. Find out which of them is the real killer in disguise.

An Ohio woman is incapable of throwing out her dangerous son, no matter how many times he threatens to kill her, and her devotion is the root of her demise.

Lonely retiree Alex Strategos finds comfort in the arms of a 69-year-old woman whom he met online, then he begins suffering from a wave of unexplained illnesses.

Fifteen-year-old Audrie Pott has no recollection of what happened at a friend's house party, then lewd photographs of her are shared through text messages, turning her world upside down and pushing her to the edge.

After a woman tries to move on from her open relationship, she unwittingly gets into a war of words with her boyfriend's lover; as the online insults begin to escalate, he takes matters into his own hands with devastating consequences.

When a body is discovered in a backyard, police have little to go on; the homeowner has recently disappeared, and all that he has left behind are clues posted online; police wonder if they will lead to the identity of the victim -- or the killer.

In 2017, police find 51-year-old Jorge Rodriguez wandering the streets with gunshot wounds near a crashed car riddled with bullet holes; to get justice for Jorge's heartbroken daughters, they follow a trail of CCTV left by the mysterious suspect.

Sixteen-year-old Diamond Bradley mystifies her family when she suddenly disappears; detectives hope surveillance footage will lead them to the missing girl, but the trail Diamond leaves behind is more terrifying than anyone expected.

When a 33-year-old restaurateur is shot dead in his backyard in an exclusive South Carolina neighborhood, CCTV cameras take detectives on the hunt for a strange woman and a mysterious vehicle seen prowling the streets.

In the summer of 1994, a night out in Miami turns deadly for two young women and a popular nightclub owner; with little evidence found on the scene, investigators must rely on a hidden home video camera to help solve this mystery.

In Dalton, Ga., someone stabs convenience store clerk Dahyabhai Kalidas Chaudhari to death at his job; police turn to security footage for answers and discover a surprise revelation about the killer's identity that blows the case wide open.

In 2017, in San Diego, 28-year-old musician Omar Medina goes missing; his family's worst fears are confirmed when his body turns up in a barrel floating in the bay; police turn to surveillance footage to track down the people responsible.

In 1996, a college co-ed vanishes over Memorial Day weekend and is presumed dead; the sheriffs have their sights on a prime suspect but lack the evidence to prove it; decades later, a discovery found six feet under turns this case upside down.

Dallas Police discover a serial killer targeting vulnerable retirees.

The Lunsford family's lives turn upside down when someone snatches nine-year-old Jessie from her bed in the middle of the night; authorities scour the area looking for her when they discover a dark truth, she is closer than they ever realized.

In 1990, a clown delivering flowers and balloons guns down a woman at home; with scant evidence and no clear motive, detectives set out to track down the killer clown, but the culprit eludes justice for thirty years before being fully unmasked.

Firefighters discover a body with two gunshot wounds; the fire destroys any hope for evidence and the police look at the victim's social media for clues.

In 2001, a mother of five is found shot in the head in her own minivan. Investigators have little physical evidence and struggle to make an arrest. As the children grow up, the family becomes divided over who killed the beloved soccer mom.

A small-town murder exposes a bizarre world of con artists, undertakers, and hitmen. This true-crime series explores the mystery behind an elderly mortician's killing, and the mountain of lies that shook a once-charming community to its core.

A small-town murder exposes a bizarre world of con artists, undertakers, and hitmen. This true-crime series explores the mystery behind an elderly mortician's killing, and the mountain of lies that shook a once-charming community to its core.

The trial for Byron Griffey's murder begins, and an investigator uncovers numerous new leads and suppressed evidence that casts doubt on the eventual conviction. A surprise sentence outrages many and leaves questions unanswered.

When police find 27-year-old Corey Lee Hughes dying on his kitchen floor, they turn to security video to find his attacker; a neighbor's camera captures a suspicious SUV leaving the scene; investigators follow the clues to track down its driver.

A small-town murder exposes a bizarre world of con artists, undertakers, and hitmen. This true-crime series explores the mystery behind an elderly mortician's killing, and the mountain of lies that shook a once-charming community to its core.

A small-town murder exposes a bizarre world of con artists, undertakers, and hitmen. This true-crime series explores the mystery behind an elderly mortician's killing, and the mountain of lies that shook a once-charming community to its core.

The trial for Byron Griffey's murder begins, and an investigator uncovers numerous new leads and suppressed evidence that casts doubt on the eventual conviction. A surprise sentence outrages many and leaves questions unanswered.

When police find 27-year-old Corey Lee Hughes dying on his kitchen floor, they turn to security video to find his attacker; a neighbor's camera captures a suspicious SUV leaving the scene; investigators follow the clues to track down its driver.

Confronted with a grisly Valentine's Day surprise, police find a bullet-riddled body in a family's home; the usual suspects have alibis, forcing detectives to follow a trail of secrets, manipulation and betrayal to arrive at the truth.

While performing a welfare check, police stumble across a brutalized body hidden inside a garden shed; while this is a shocking find, another family member had perished on this same property just two days prior to the welfare check.

Responding to a home invasion, police find one family member has been killed while another has been left in critical condition; it doesn't take long for detectives to start suspecting the culprit could be someone very close to home.

A homeowner is found dead in a driveway, riddled with bullets; the claims of a family member who allegedly witnessed the brutal attack raise more questions than answers.

While carrying out a welfare check on Thanksgiving Day, police discover a triple homicide; to unmask the killer, detectives must uncover a victim's secrets and examine a hidden world of disinheritance, rage and dark accusations.

Therapist Jodi Hildebrandt's crusade against masturbation drives a wedge between couples in crisis; she forms a dark alliance with Mormon mommy vlogger Ruby Franke, but a horrifying 911 call exposes the depths of their bizarre beliefs.

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.

Master conman Nicholas Rossi fakes his death to evade justice, adopts new identities and leaves a trail of alleged crimes across continents.

At the peak of '90s family-friendly TV, child actors take center stage; for some, the transition to life after fame proves too much, leading them down a dark path with tragic consequences.

At the peak of '90s family-friendly TV, child actors take center stage; for some, the transition to life after fame proves too much, leading them down a dark path with tragic consequences.

With flashy characters and lavish lifestyles, the Real Housewives franchise has captivated audiences for nearly 20 years; behind the mansions of Orange County and Salt Lake City, tragedy and criminal activity have shaken their glamorous world.

Uncover the shocking stories of celebrities' lives. Some rise to fame only to fall from stardom, while others reveal fame's tragic, dark side in ways one could never imagine.

Baron Dirty Colon goes on the reality show "From G's to Gents," hoping to change his life and take home the $100,000 prize pot; but he's hiding a huge secret about his real motivation for wanting to join the competition show.

Runway model turned mom-a-ger Samira Frasch lives a life of luxury and flamboyance, seemingly out of a fairytale; when she turns up dead at the bottom of her pool, police uncover a marriage filled with infidelities, accusations and deep motives.

A young actress gets her big break in the hit movie "Diary of a Wimpy Kid: Rodrick Rules"; within months, she turns up dead in her school parking lot; police sift through hundreds of hours of surveillance to attempt to catch her killer in the act.

Uncovering the sinister side of fame and celebrity as investigators reveal the shocking true stories behind the rise, fall and murders of some of Hollywood's most promising stars.

In Oklahoma, a couple is ambushed in their garage two days before Thanksgiving; the investigation uncovers a sinister plot close to home.

When a man fails to show up to Thanksgiving dinner, the façade of a perfect marriage is shattered, culminating in a devastating discovery.

On Thanksgiving, a family member goes astray with the help of a suspicious spiritual guide, sacrificing honor, tradition and love.

After a series of bad relationships, Edwardyne Williams, 50, meets and marries her third husband, Mike; then, tragedy strikes when Edwardyne goes missing the week after Thanksgiving.

When a man fails to show up to Thanksgiving dinner, the façade of a perfect marriage is shattered, culminating in a devastating discovery.

On Thanksgiving, a family member goes astray with the help of a suspicious spiritual guide, sacrificing honor, tradition and love.

After a series of bad relationships, Edwardyne Williams, 50, meets and marries her third husband, Mike; then, tragedy strikes when Edwardyne goes missing the week after Thanksgiving.

In Oklahoma, a couple is ambushed in their garage two days before Thanksgiving; the investigation uncovers a sinister plot close to home.

With the help of a neighbor, an injured woman calls 911 saying an intruder broke into her boyfriend's home and shot them both; police respond to find the boyfriend executed; they must decipher strange evidence left behind to identify the killer.