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Decades after 16-year-old Molly Bish vanished, her sister turns to TikTok for answers.

A single mother gets along with her handyman neighbor, until she gets a new man in her life and her neighbor adopts more than 50 dogs; accusations become threats, threats become attacks and, eventually, the conflict reaches a bloody conclusion.

A woman becomes the target of her overly flirtatious neighbor after her husband dies; the woman's brother moves in to protect her and is put on a collision course with the the neighbor that will be resolved with bloodshed.

Heidi Firkus calls 911 after her husband claims an intruder is breaking into their Minnesota home; Heidi ends up dead, and the case remains cold for 10 long years until a new investigator takes a fresh look.

First responders find Kristen Trickle clinging to life and attempt CPR, but she does not survive; the coroner rules her death a suicide, but police and prosecutors are skeptical and charge her husband with murder.

After her husband dies of an apparent overdose, Kouri Richins writes a children's book about grief; she's charged with his murder.

A ranch heir vanishes, and police find out whether blood is thicker than water.

A pregnant woman goes missing, then reappears.

A couple is ravaged by a crime so convoluted it nearly defies imagination.

A killer guns down a 46-year-old woman, and detectives discover that a fleeing Sheriff's Deputy is the assailant; less than 48 hours later, they arrest him and reveal an unrepentant psychopath capable of executing the love of his life in cold blood.

After the murder of a successful executive one night in Connecticut, her case goes cold; four years later, a troubled man appears, ready to confess; investigators uncover this was no ordinary murder and that he's an impulsive psychopath.

When a loving husband turns up murdered in his Loveland, Ohio home, the prime suspect is his troubled wife, who claims to have little recollection; detectives uncover her story is nothing but the manipulation of a vindictive person.

A road rage incident turns deadly as an elderly man is beaten to death by a teenager who claims he was acting in self-defense; detectives not only find holes in his story but uncover that he is a remorseless and manipulative psychopath.

A young man's confession to participating in a plot to murder another teenager stuns police in a small Florida town; detectives uncover a plot involving a manipulative ex-girlfriend and a young psychopath with the desire to kill.

After the murder of a rural Virginia couple and the disappearance of their adult son, detectives wonder who could have acted with such rage; when the son resurfaces, investigators come face to face with a true psychopath.

When missing dental assistant and mother Sharon Ray is found dead in a well, the town of Grand Rivers, Kentucky, joins together to find who did this; loved ones wonder if Sharon was living a lie when those closest to her become prime suspects.

Tiffanie Adams is expecting her first child but disappears from her home in Sullivan, Ind.; as police search for answers, they stumble upon dark secrets surrounding the men in her 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.

After a cattle rancher turns up dead in his trailer home, the minuscule town of Driscoll, North Dakota, points fingers at everyone in the small population; left with little evidence, it takes over a decade to hone in on his executioner.

An inexperienced police department handles the tragic murder case of young mother Jessica Currin, leading to critical errors and false accusations; the case goes cold until Jessica's father protests the state of Kentucky to reinvestigate.

Teresa Holman spends much of her childhood wishing her father, Freddie Bowen, would die for the things he does to his family, but when presented with a chance to get her wish, the choice she makes has unforeseen consequences and leads to tragedy.

A single mother overcoming addiction struggles to raise her son and daughter. Despite what appears to be a loving family and a sibling bond she could only hope for, she never could have foreseen the true monster that lies within her 13-year-old son.

A New Hampshire town reels after police arrest four teenagers for robbing and murdering a 42-year-old mother and maiming her 11-year-old daughter; detectives uncover two suspects with the characteristics of sadistic psychopaths.

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.

A single mother overcoming addiction struggles to raise her son and daughter. Despite what appears to be a loving family and a sibling bond she could only hope for, she never could have foreseen the true monster that lies within her 13-year-old son.

A New Hampshire town reels after police arrest four teenagers for robbing and murdering a 42-year-old mother and maiming her 11-year-old daughter; detectives uncover two suspects with the characteristics of sadistic psychopaths.

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.

Teresa Holman spends much of her childhood wishing her father, Freddie Bowen, would die for the things he does to his family, but when presented with a chance to get her wish, the choice she makes has unforeseen consequences and leads to tragedy.

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.

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.

A skeleton is discovered on the edge of a high school football field, during a game of catch. It takes a forensic sculptor, tireless detective work, and some luck, to finally bring the mysterious killer to justice.

A birthday ends in tragedy when a beloved family is found brutally murdered; detectives are left in the dark until a chance encounter changes everything.

A 17-year-old aspiring artist is found dead in an abandoned house; a devastated family worries the case will never be solved, but 13 years later a lucky break in DNA technology points detectives in the right direction.

A police officer tracks down an armed carjacker and comes under heavy fire; a stabbing in broad daylight forces the police to take decisive action; a routine traffic stop results in a shot officer who fights for his life.

A detective leads his heavily armed team on a search warrant but ends up in the firing line himself; a routine traffic stop turns violent as the suspect makes a getaway; a knife-wielding man draws police into a foot chase.

Two police officers respond to a domestic disturbance; a house fire turns into a murder investigation; the search for a known sex offender builds to its conclusion.

A domestic dispute turns into a hostage situation with children's lives at stake; a vehicular accident turns into a multiple murder with armed killers on the run; a disturbance at a liquor store leaves an officer fighting for his life.

A breakup turns dangerous; a traffic stop puts a child's life at risk; a killer on the run leaves a state trooper fighting for his life.

In Kinston, N.C., a woman finds Jack Davis in his home with a head wound; Surveillance footage from Jack's house and a nearby neighbor's leads detectives on the hunt for his violent attackers.

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.

In Baltimore, a killer strangles two women to death less than a week apart; investigators piece together the clues from CCTV footage from the locations of the two homicides to reveal a suspect with designs on becoming a serial killer.

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.

In a home in downtown Baltimore, a man finds 24-year-old father and youth worker Dion Smith executed with a shotgun. The other residents are cagey, but a suspicious visitor is singled out thanks to telling CCTV outside the victim's door.

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.

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.

An unknown killer executes a seemingly perfect family in their upscale Florida home. As detective EvaMarie Multari searches for answers, she uncovers hidden family tensions and a maniacal scheme driven by an obsessive love affair with a webcam model.

Police watch the disturbing video of a young woman closing up after her shift at a gas station convenience store. Everything seems normal until, in one moment, she is there and, in the next, she is gone, never to be seen again.

When two young women are murdered on the same scenic bike trail just months apart, police are baffled by the similarities of their deaths.

An unknown killer executes a seemingly perfect family in their upscale Florida home. As detective EvaMarie Multari searches for answers, she uncovers hidden family tensions and a maniacal scheme driven by an obsessive love affair with a webcam model.

Police watch the disturbing video of a young woman closing up after her shift at a gas station convenience store. Everything seems normal until, in one moment, she is there and, in the next, she is gone, never to be seen again.

When two young women are murdered on the same scenic bike trail just months apart, police are baffled by the similarities of their deaths.

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.

On April 10, 2016, 45-year-old Jordie Hudson vanishes after a night out with friends, then investigators find her eyeglasses in a pool of blood; a surveillance video shows an attack, and police race to find Hudson before it's too late.

A woman is shot dead during her morning jog through a normally peaceful neighborhood in Glendale, Ariz.; home surveillance footage enables detectives to identify the shooter's vehicle.

Family members are shocked to learn that Patricia Kimble was shot before her body was consumed in a deliberately set house fire; investigators scour her diary for clues as to who would want to kill the devout Christian newlywed.

Fifteen-year-old Candice Parchment goes missing from her Georgia home and is found murdered months later; the investigation hits a dead end until the discovery of Candice's diary reveals a shocking assault and points to the person who killed her.

Conrad and Ricky Morales are happily living with their uncle and his wife in Washington State, but when Conrad goes missing, and Ricky later dies under suspicious circumstances, it falls to Conrad's diary to explain the truth about the family.

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.

Police find a family savagely murdered in their quiet suburban Oklahoma home, but when police find a victim still clinging to life and able to provide some answers, they launch a desperate search for the perpetrators before they can kill again.

Amina and Sarah Said long to live the lives of typical American teenagers, but when they push back against the rules of their traditionalist father, tensions simmer inside the family and come to an explosive conclusion.

In small-town upstate New York, a young mother loses her 5-year-old son, who's battled a medical condition that has plagued him since birth; doctors claim his death is not from a natural cause, and investigators soon suspect foul play.

Right before Thanksgiving, two masked gunmen reportedly invade a couple's home and kill the husband; with few leads, police use ballistics, forensics and neighborhood gossip to solve this cold-blooded murder.

Cambodian genocide survivor Dr. Haing Ngor wins an Oscar for his role in "The Killing Fields," then he's gunned down outside his Los Angeles home, and the LAPD investigates a web of political intrigue, revenge and street gangs to uncover the truth.

A double murder involving the family of a federal judge prompts an investigation of epic proportions by the FBI, U.S. Marshals and Chicago Police Department; at the end of the trail, law enforcement personnel learn the death count may climb higher.

NBA basketball player Lorenzen Wright goes missing outside of Memphis, Tenn., then his body is discovered in the woods, and investigators find out this case is far from a slam dunk.

In 1988, a young woman is found murdered in her Modesto, Calif., home, leading police to investigate the strife and infidelity in her marriage; a surprising witness eventually comes forward.

In the early 1970s, Washington D.C. is terrorized by a cunning killer who abducts and murders six young African American girls; police and the community are outraged by the serial killings that target young children in their own neighborhoods.

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

Jeni Haynes creates hundreds of different personalities, or alters, to try to cope with the horrific abuse inflicted by her dad. For years, no one believes her story - until Jeni and her alters resolve to get justice and bring her father to trial.

"48 Hours" began as a documentary in 1986 and became a regular series two years later. It was built around a team of correspondents covering one subject for 48 consecutive hours. Over time it evolved into the premiere broadcast for law, crime and justice stores -- its journalists, for example, have been credited with uncovering new information that has led to high-profile cases being overturned an

Jeni Haynes creates hundreds of different personalities, or alters, to try to cope with the horrific abuse inflicted by her dad. For years, no one believes her story - until Jeni and her alters resolve to get justice and bring her father to trial.

"48 Hours" began as a documentary in 1986 and became a regular series two years later. It was built around a team of correspondents covering one subject for 48 consecutive hours. Over time it evolved into the premiere broadcast for law, crime and justice stores -- its journalists, for example, have been credited with uncovering new information that has led to high-profile cases being overturned an

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

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.

In Grand Prairie, Texas, a game of truth-or-dare leads to a startling confession in the 1995 shooting death of 16-year-old Adrianne Jones.

Wendy Kratzert's body is found in her van, which appears to have skidded off a mountain road, but investigators suspect foul play and retrace the victim's last movements.

After Kristine Fitzhugh is found dead at the bottom of her basement stairs, detectives soon begin investigating her accidental fall as a homicide and strive to locate the actual scene of her death.

One night, cellist Janine Sutphen fails to return from symphony practice, and her husband tells police there's more to his wife than anyone knows.

Doug and Rozina Anderson's decision to spend a long weekend in the peaceful woods of Northern California turns out to be a fateful mistake.

In Santa Cruz, Calif., 19-year-old Linda Jozavich vanishes from work one night in 1979; then, years later, the murder of another local teenager, Lois Sigala, gives investigators a lead that puts them one step closer to solving Jozavich's case.

In 1979, a walk in the woods turns out to be a deadly mistake for single mother Marie Huckins; then, 20 years later, her daughter, Patricia, finds herself following in the same fateful footsteps.

Dancer Jodi Sanderholm spends weeks practicing for her team's big performance, then vanishes hours before the event, which doesn't make sense until a friend comes forward with strange details about the days leading up to Jodi's disappearance.

Cousins Ana Franklin and Jennifer Holliday are traveling home late one night when terror strikes; Holliday is taken hostage by an unstable individual, but she manages to call a 911 operator, who will stop at nothing to save her.

After separating from her husband of 13 years, 36-year-old Julie Curry Boyd suddenly finds her life in danger and stops at nothing to keep her three children safe.

The wealthy bachelor Steve Clayton meets the veterinary nurse Lana Walsh and is love at first sight. But the devout couple is not immune to the tragedies of life and, when a premature death raises questions, a disturbing and devastating secret is revealed.

Joy and Fred are typical high school sweethearts until a tragic work accident changes the course of their lives; as Joy tries to find a second shot at love, she confronts a heartbreaking tragedy.

Jean Schwarzkopf, a wealthy and glamorous 78 -year -old widow, is determined not to give up life and soon becomes an element of Florida's social scene. Jean's new friends are not everything they seem and his family is dragged into a dark world of crime and violence.

Rob and Lisa Whedbee are a beautiful couple who turn heads wherever they go; then a medical trauma upends their happy family, setting them on a path of destruction that will end in lies, accusations and a brutal home invasion.

Surrounded by a big, loving family, high achiever Keonte Chavis goes missing, then she is found strangled to death in the woods, and the perpetrator turns out to be a family member.

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.

Raised in foster care, Kristin and Brandon only had each other; Kristin struggles to understand how her big brother became a cold-blooded killer.

Going inside prison walls to interview evil itself as relatives of killers, along with killers themselves, tell their chilling tales; questions these killers have never been asked before result in powerful, unsettling and contentious encounters.

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.

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.

Raised in foster care, Kristin and Brandon only had each other; Kristin struggles to understand how her big brother became a cold-blooded killer.

Going inside prison walls to interview evil itself as relatives of killers, along with killers themselves, tell their chilling tales; questions these killers have never been asked before result in powerful, unsettling and contentious encounters.

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.

Cassie Golonin disappears just before New Year's Eve from Fort Smith, Ark.; when family and friends conduct a search, the discovery of a shallow grave soon leads to the truth.

Carol-Ann and James Sharp seem like a match made in heaven, but behind the veneer hides a monster in plain sight; loved ones close to the couple sit down for the first time on camera to make sense of a murder that none of them saw coming.

After a young woman vanishes on her way to work, police desperately follow a trail of videotaped clues they hope will solve a complex mystery; the evidence found inside her car could be the key to solving the brazen abduction.

A gunman shoots a hero fireman dead in his own driveway; police focuses their investigation on the unusual firearm used to commit the crime and an odd trail of clues left behind by the victim himself.

Hunters found Army veteran Maribel Ramos's body in a remote area, sparking a hunt for her killer; investigators uncovered a fatal dispute with her roommate over unpaid rent.

A mother notices that her son is dark and detached and occasionally reveals to her fantasies of violence towards his own family. She begins to wonder if her once-happy, sweet boy is evil, but could never imagine the true terror her son would become.

Jeannette does everything she can to care for her son, Timmy; everything is going well until his dark side emerges, and he becomes violent and dangerous; despite every effort to help her son, she watches helplessly as he spirals into darkness.

When Tim Jones Jr. murdered his five children, his father, Tim Sr., was left to face the horrific reality of the son he raised and an evil he never believed possible.

A single mother overcoming addiction struggles to raise her son and daughter. Despite what appears to be a loving family and a sibling bond she could only hope for, she never could have foreseen the true monster that lies within her 13-year-old son.

Ron Youngblood always dreamt of having a family; when he meets Veronica, he thinks his dreams are coming true; instead, it's a nightmare; she's cold, cruel and unfaithful; when Ron tries to leave, she destroys everything he cherishes.

At 16, Roxie rushes into marriage; her husband manipulates and threatens her nearly every day; she leaves after 30 years but pays a terrible price.

Little sister Heather terrorizes her siblings, David and Crystal from a young age; everyone hopes she'll change when she becomes a mom, but she only gets worse; after Heather meets Kareem, she becomes a monster.

Maya Burgess always knew her brother, Stevie, was trouble; after he holds a butcher's knife to her brother's throat and threatens to shoot her at her wedding, Maya knows he is dangerous.

Skeletal remains are found in a military tough box, six feet underground.

Police find a murder victim inside a Civil War crypt in a historic cemetery in Southwest Philadelphia; detectives from two counties navigate the evils of a notorious motorcycle club to try and solve the case.

Pennsylvania State Troopers are tasked with a haunting murder investigation that takes more than a decade to solve after finding charred and decomposed human remains in the Poconos.

An entrepreneur is fatally gunned down in his warehouse, leading detectives to examine his disgruntled employees and his mistress in search of the killer.

They were partners in a car body shop, but when one of them goes missing, the police must investigate if they were also partners in crime.

Stephanie Shea Graham, 20, is found murdered on a desolate road; detectives gather clues and question suspects, and when the truth is finally revealed, the identity of her killer will prove to be more shocking than ever imagined.

Happy couple Bill and Mary Yoder run a medical practice outside of Utica, N.Y., but their world collapses after Mary falls ill, and detectives prove that her illness is no accident.

They were partners in a car body shop, but when one of them goes missing, the police must investigate if they were also partners in crime.