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 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 man vanishes from a small town, leaving behind a trail of strange clues that stumps detectives and leads his neighbors to believe that a deadly imposter is living among them; when his body is found, the truth is more shocking than anyone imagined.

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.

Three teens vanish, and a Texas town's worst fears are realized when they're found dead; details of a related robbery identify a suspect, but after a rattling jailbreak, the city must mobilize the largest manhunt in state history to nab the culprit.

A young husband is shot dead in his Morris, Ala., home, and police initially believe it's a robbery gone awry; when the town rumor mill swirls to life, authorities uncover a dark secret hiding between the pews of the local Baptist church.

A dead trucker unlocks a conspiracy, but he may not be the only victim.

Single mother Brandi Peters and her three young children are brutally murdered inside their Tallahassee, Fla., home in November 2010; detectives are shocked to uncover a killer who is a real-life monster hiding in plain sight.

A pregnant woman goes missing, then reappears.

In financial trouble, a woman rents out rooms in her home to two men, which leads to a toxic mix of misgivings, madness and murder.

Two women strike up a fast friendship and move in together; a lack of privacy and a secret relationship rips apart the harmony; a battle for control ends in a brutal murder.

Two college students rent an apartment off campus together, but the two women couldn't be more different; squabbles escalate into an all-out war, and the presence of a boyfriend causes the feud to boil over into a deadly fight.

A hospital worker invites a colleague (who's fallen on hard times) to come live with her. But the good deed backfires, and it only takes a few weeks before a stealthy betrayal turns into a gruesome crime.

When Tim meets Maryann at a Catholic mixer, it's a match made in heaven, but while the future looks bright, a dark cloud gathers on the horizon in the person of Tim's ex-wife.

Longtime married couple Dino and Clara run a successful bail bond company, but when Dino's long hours and a missing bail jumper make Clara suspicious and nervous, a hidden secret emerges that makes their bond come undone in the blink of an eye.

Young single mom Kathy wants a good life for herself and her son, but their dreams clash with wannabe rapper Juan; tempers erupt when Kathy decides she wants more out of life, no matter the cost.

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

Love is a powerful emotion but so is hate.

When some couples unite, they spark a terrible urge for destruction.

There are many ways to leave one's lover.

Joel Frazier is the proud father of two former rodeo queens, Camie and Jamie Frazier; suddenly he goes missing; the town rumor mill is busy, and the hostility between the women in his life is mounting, but no one can find Joel.

In 1991, Wanda Holloway was arrested for trying to hire a hit man to kill her daughter Shanna's cheerleading rival so that Shanna could get a place on the team; now, Shanna reveals the truth behind what happened for the first time.

College junior Tina Stewart and freshman Shanterrica Madden couldn't be more different, but when the roommates channel their inner mean girls, things get out of hand and only one girl is left standing.

In 1991, Wanda Holloway was arrested for trying to hire a hit man to kill her daughter Shanna's cheerleading rival so that Shanna could get a place on the team; now, Shanna reveals the truth behind what happened for the first time.

In 2015, Tiffany Boyer is part of an edgy party scene in Albuquerque; when she goes missing, no one's talking, but an intrepid detective, determined to get to the truth through her female friends, uncovers a cruel plot for revenge.

A shooting in a luxury high-rise building sends shockwaves through the upscale neighborhood of Uptown; starting with surveillance video from the crime scene, detectives soon uncover a list of suspects and a plot born out of economic envy.

A young woman moves out of her parents' house and in with her boss, but freedom comes with a cost, and when she is unable to pay, she loses control, and death follows.

A man rents out a room to an old buddy, but their contrasting living habits create chaos in the house; tiny arguments turn into petty crimes, resulting in a vicious fight that turns deadly.

Olympic equestrian-turned-trainer Michael Barisone claims temporary insanity when police charge him with the attempted murder of Lauren Kanarek, a student he shot twice in the chest after she tried to ruin his reputation online.

A beauty stylist is almost murdered in 2016 by a client who comes to her home and poisons her with a piece of cheesecake; the motive doesn't make sense to police until they realize that the stylist and the client have an uncanny physical resemblance.

Intruders shoot wealthy jeweler Ted Shaughnessy at his home in Austin, Texas; investigators wonder if it was a random attack or a robbery gone wrong; as they dig deeper, police suspect it wasn't a stranger killing at all.

Successful tech-executive-turned-cannabis-entrepreneur Tushar Atre was found stabbed and shot on his cannabis farm in the Santa Cruz mountains; Tracy Smith investigates his kidnapping and murder and follows the trail that led to four suspects.

Atlanta entrepreneur Terry Porter is found shot dead execution style in his front yard; there is no forensic evidence or witnesses, so detectives attempt to use surveillance footage to catch Porter's killer.

A 24-year-old Yale Ph.D. student named Annie Le goes missing; CCTV shows Annie arrive at Yale, but she is not seen leaving; police search every inch of the building, until they find something horrific.

In 2017, a neighbor finds the body of 40-year-old Dawn Meade outside an apartment complex in Louisa, Va.; detectives must determine if this is an accidental death or something more sinister, so they turn to surveillance footage to uncover the truth.

A motorist shoots dead Whitney Gray while she shops with her young kids and teenage niece; detectives follow a trail of CCTV to track down the suspect car and discover that the killer is on the run and carrying a stash of weapons.

Three girls meet a flirty and friendly guy online, then his demeanor shifts, and he traps the girls in a vicious game they can't escape.

When a model scout approaches two high school boys for photos with the lure of cash and a glossy portfolio, they find it hard to resist her advances.

Dallas teen track star Shania Gray is left traumatized after being raped while babysitting; when a new social media friend offers support, she opens up to him, leading Shania into a trap that ends in tragedy.

On a quiet cul de sac, a contractor helps his neighbor rent the home beside him; unwittingly trapping himself between an increasingly unhinged presence on one side and the man's hostile parents on the other.

Two neighboring bachelors start out as friends; harmless banter turns into threats eventually igniting an escalating war; the violence ends with a murder so shocking it is almost beyond belief.

Neighbors take sides after someone decides to build a dream home on their quiet street; longtime friends turn into hardcore enemies, and death is right around the corner.

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.

Barbara Keim is juggling two ex-husbands and a rebellious teenage daughter who has a questionable circle of friends; when Barbara goes missing, her sisters fear the worst.

From devoted mother to larger-than-life stage actress, 40-year-old Pasinetta Prince plays many roles in her life and relishes the spotlight, then a personal betrayal draws the final curtain on her life.

When a marriage loses its luster, some spouses turn to outsiders for passion and excitement. However, there's a price for deceit, and in these true crime tales, it's almost always murder.

When a marriage loses its luster, some spouses turn to outsiders for passion and excitement. However, there's a price for deceit, and in these true crime tales, it's almost always murder.

Lifelong Long Islander Donna Bocklet announces she's leaving for Florida; it sends shock waves through her close circle of friends and family and ultimately ends in her murder.

Rhonda Smith is a single woman who relies on the kindness of strangers at her new church, then one of them betrays her.

When a marriage loses its luster, some spouses turn to outsiders for passion and excitement. However, there's a price for deceit, and in these true crime tales, it's almost always murder.

When a marriage loses its luster, some spouses turn to outsiders for passion and excitement. However, there's a price for deceit, and in these true crime tales, it's almost always murder.

Motorcycle-riding Diane Snellen is a single mother trying to make her way in the world while navigating the dating scene in Georgetown, Ky., then her life comes to an abrupt end when she's stabbed in her own home.

Single mother Norma Rodriguez is found strangled to death in her apartment, but her case remains unsolved for 10 years until DNA evidence leads to a former coworker with a shady past.

Truck driver Bob Nelson is on the verge of completing his final cross-country ride and returning home to celebrate his 25th wedding anniversary; when he fails to show, police discover his abandoned truck and a crime scene that raises questions.

A mother of three takes a trip to a casino, but she fails to return home, and her family launches a search for her and her vehicle.

A couple are gunned down in front of their Thunderbolt, Ga., home in an apparent robbery gone wrong.

After a loving mother is murdered inside her own home, police focus on their two best clues -- a blood-stained hammer and a dusty footprint.

Chilling evidence found inside a quaint Utah bookstore brings the killer of its beloved owner to justice.

Chilling evidence found inside a quaint Utah bookstore brings the killer of its beloved owner to justice.

In 1991, Wanda Holloway was arrested for trying to hire a hit man to kill her daughter Shanna's cheerleading rival so that Shanna could get a place on the team; now, Shanna reveals the truth behind what happened for the first time.

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.

Wayne High volleyball star Stacy DeGrandchamp is pretty and popular until jealousy and rumors lead to a rift in her circle of friends; when a fight at a party turns deadly, witnesses won't talk, and her killer almost gets away with murder.

Bitter accusations unleash after single mom Kelli Underwood moves in with her best friend from high school; Kelli's daughter finds her dead, and investigators begin to uncover secrets and betrayals among the women of a small Texas town.

Becoming an influencer is a full-time job that can inspire jealousy and rivalry in the competition for followers; when a tragic accident pulls back the curtain on one very online life, what really happens on the other side of the screen emerges.

Social status is everything in junior high, so when Shanda Sharer arrives at her new school, she does her best to make new friends; she unknowingly enters into a relationship between a popular jock and the ruler of the clique known as the Hoods.

Melissa and Rob find love at a birthday BBQ, but when time and tensions build, the once happy relationship comes to a deadly end.

Property developer Robert Pann and trainee nurse Bernice Gray seem like the ideal match, but buried secrets are about to end this picture-perfect romance.

Air Force veteran Roger Harris and his wife Donna, a nurse, built their dream home in Florida, but just after the birth of their second son, a vile secret threatens their sweet, simple life; someone's hatching a plot that no one ever saw coming.

Molly McAfee and her partner, Adam Buchanan, cherish weekends at their cabin in the woods with all the family, but someone has plans to burn everything down to take what they want.

Brittany Steier devotes her life to being a mom and having a happy family; when the father of her children, Edward June Harris Jr, becomes increasingly violent and unpredictable, Brittany has to make a decision that will end up costing her life.

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.

Yathomas Riley is an undefeated rising star in the pro boxing world, but he's also prone to fits of rage and violence outside the ring; this allegedly caused him to shoot two women he claimed to love.

When Roger's best friend, Bob Duke, asks for a favor, he thinks Bob is venting; when he asks again, Roger worries for Bob's wife and son; after an accident occurs, Roger knows his friend is a killer.

Yathomas Riley is an undefeated rising star in the pro boxing world, but he's also prone to fits of rage and violence outside the ring; this allegedly caused him to shoot two women he claimed to love.

Karen strikes a deal to get her brother, Richard, out of her life, not knowing he will begin targeting his new wife, Vernetta; neither woman realizes how devastating Richard's impact will be on both of their lives.

Linda Wittmier and Terry Jo Howard fall in love with James Michael Randall; both of them discover the monster lurking inside him without ever realizing how lucky they were to survive his twisted desire to kill.

Pam Jacobs spends her childhood on the run from the law, but she has no idea her father, Charles Sinclair, is a wanted man until the day the FBI catches up with them.

Ronald and Patty had always seen the signs that their older brother, Bernard Eugene Giles, had a darker side, but when Gene finally let loose the monster lurking inside, they couldn't help but wonder how things had gone so wrong.

Sean Lewis isn't surprised to hear his brother, Patrick, has been arrested again, but this time around, Lewis learns he has been helping a monster lead a secret double life by repeatedly helping his brother get out of jams.

Actor Thom Bierdz brings his troubled younger brother, Troy, out to Los Angeles to help set him straight; however, Bierdz turns out to be wrong about being able to help his brother and pays with the life of a loved one.

When James Henslee realizes he is the police's prime suspect, he can't believe it but he attempts to convince them that someone he had once looked up to was the one capable of murder.

John Duck spends his entire life fearing the day his brother Kevin would finally kill someone, but when John discovers his brother is actually a murderer, he still isn't ready to face that Kevin had been born a killer.

People recount their horrifying true stories about living side-by-side with sociopathic friends or family who go on to commit heinous crimes.

When Steven Crittenden confesses to his brother, Bryant, and then swears him to secrecy, Bryant faces the toughest decision of his life: whether to keep the secret and risk letting a murderer get away with it or tell the truth and betray his family.

When a hole appears in the backyard, Delila Yang gets suspicious; she knows her mother, Karina, dug it and knows someone is missing, but Delila doesn't yet realize she must work with police to trap her mom and unearth her sinister secrets.

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.

In 2011, a husband returns home to find his wife dead on the living room floor; he tells first responders she committed suicide, but it was murder; police zero in on the husband and what unfolds is one of the most outrageous tales in recent history.

The 2018 murder of the Colorado mom who disappeared amid an alleged breakup with her fiancé.

After witnessed with a mysterious stranger, a beautiful teen girl completely vanishes from her small town, turning up brutally slain days later in the Nevada desert; the search for her killer envelops the entire community, and fear abounds.

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.

Jam Master Jay, best known as Run-DMC's DJ, becomes a hip-hop legend; his life is cut short when he's executed in his recording studio; an exclusive interview with an eyewitness sheds light on this decades-old cold case.

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 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.

For nearly 45 years, the murder of 11-year-old Linda O'Keefe continues to haunt California's Newport Beach Police Department; new technology and social media can turn the tide and help track down her killer; Tracy Smith investigates the cold case.

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 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 beauty stylist is almost murdered in 2016 by a client who comes to her home and poisons her with a piece of cheesecake; the motive doesn't make sense to police until they realize that the stylist and the client have an uncanny physical resemblance.

Jam Master Jay, best known as Run-DMC's DJ, becomes a hip-hop legend; his life is cut short when he's executed in his recording studio; an exclusive interview with an eyewitness sheds light on this decades-old cold case.

Sharon Ord and her family leave Scranton, Pa., to start a new life in Florida; then one of them disappears, turning their dream of a new life into a nightmare.

Billy Carter raises daughters Crystal and Misty in the Great Smoky Mountains of North Carolina; after a body is found on the scenic Blue Ridge Parkway, this family's piece of paradise becomes a nightmare they relive again and again.

Pregnant student Loretta Saunders vanishes without trace; her trail runs cold after she is spotted on CCTV at her apartment building; police spot her missing car on a drive-thru camera and race to find her before it's too late.

British woman Sian O'Callaghan disappears after leaving a nightclub; with the clock ticking, detectives find footage of O'Callaghan getting into a taxi and race to identify the vehicle and its driver.

Car salesman Hufracio Arteaga is found stabbed to death in his Michigan City, Ind., office; with no witnesses, investigators use surveillance cameras from an adjacent building to find out who murdered Arteaga.

Young professional Sasha Samsudean disappears after a night out in downtown Orlando, Fla.; detectives turn to video surveillance footage to unravel the mystery and bring Sasha's killer to justice.

Bursting with confidence after losing 200 pounds, a newly single 33-year-old woman spends her time flirting with men online, then she fails to turn up for work one day.

When a computer wizard fails to make the grade as a professional video gamer, he becomes obsessed with achieving internet fame; what starts as an online prank spirals into a new and deadly crime called swatting that chills the nation.

A young woman is swept off her feet by the man of her dreams, but before they have a chance to meet, a tragic accident sends him to jail; against the odds, they grow even closer, but when she disappears, her family begins to question his story.

Riding along with officers as they track down a stolen military vehicle; facing off with a sword-wielding fugitive claiming to be God; pursuing an armed carjacker hell-bent on evading arrest, before a fire puts everyone's life in danger.

A chase through a Florida town ends with a shock for pursuing deputies; officers put themselves in danger to pursue a burning car in Illinois, and a stolen Big Rig hurtles towards Atlanta, Georgia, prompting drastic action.

Georgia police officers chase down two suspects with an assault rifle who are intent on shooting their way out of trouble; a terrifying life-or-death pursuit results in multiple casualties before the gunmen lead police into a final fatal gunfight.

A felon steals a truck and rams everything in his path; on a freezing winter night, a crazed half naked man attacks a lone officer; at a county jail, a gunman fires at unarmed officers, leaving one fighting for his life.

Armed bank robbers are determined to avoid prison at all cost.

In Ohio, officers respond when a man brandishes a knife in a store; in Georgia, police launch a manhunt after a suspect escapes in his truck, leaving an officer down.

In Washington state, an off-duty officer spots a wanted criminal in an elementary school; officers in Georgia chase a woman on a rampage in her car; in Florida, a stolen car crashes, and the suspect flees into an alligator-infested marsh.

In Tennessee, a stolen squad car hits an officer and leaves him for dead; in Florida, deputies witness an armed carjacking; in Los Angeles, a light plane crashes onto rail tracks and officers try to free the pilot as a train speeds towards the wreck.

Enraged drivers are caught on camera going toe-to-toe with other motorists in some extreme road rage moments.

A burglar in Los Angeles cries for help, a famous swan almost gets away, a bizarre heist has local officials mystified, and a stolen ambulance puts lives in danger.

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.

Apache County Sheriff's Office begins a double homicide investigation after the gruesome discovery of an elderly couple's remains in Sanders, Ariz.

Enraged drivers are caught on camera going toe-to-toe with other motorists in some extreme road rage moments.

A burglar in Los Angeles cries for help, a famous swan almost gets away, a bizarre heist has local officials mystified, and a stolen ambulance puts lives in danger.

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.

When 27-year-old Byron Edwards is found brutally stabbed in his home, his family is absolutely devastated. But as detectives work to find the person responsible, they discover a single piece of evidence that changes the course of their investigation.

In Washington state, an off-duty officer spots a wanted criminal in an elementary school; officers in Georgia chase a woman on a rampage in her car; in Florida, a stolen car crashes, and the suspect flees into an alligator-infested marsh.

A woman well-liked in her community gets shot dead in her sleep; Christmas tinsel tracked in by the killer offers the only clue available to police until rumors of a secret family feud reveal a story of monstrous betrayal.

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.

When Kathy Horn disappears, some believe she's following the Grateful Dead; others think she was sacrificed during a Wicca initiation; her mom wonders if she's run off with an older boyfriend.

Meredith Emerson decides to celebrate the new year by hiking on Georgia's Blood Mountain with her dog, Ella, but when Meredith goes missing and Ella is found 60 miles away, an all-out search begins.

Dawnia Dacosta attends nursing school, works the late shift and goes to church for evening services; one night she runs out of fuel and walks to the nearest station; then a man in a van offers a ride back to her car.

In Akron, Ohio, local antiques dealer Mary Kay Wohlfarth mysteriously vanishes into thin air; detectives race to find the elderly woman, leaving no stone unturned; however, finding Mary Kay might lead to more questions than answers.

Ty Underwood, a transgender woman, is found shot to death in her car, and detectives wonder if she is the victim of a hate crime.

Shelby Weatherly is found stabbed to death by the side of the highway, and investigators struggle to find a suspect; forensic evidence and reports of a mysterious car lead to revealing images and evidence that point toward the vicious killer.

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.

When ranch-hand Rex Tanner and his friend June Flood go missing in suspicious circumstances, local investigators Ralph Stansfield and Wally Hendricks uncover an explosive story of paranoia, greed and dynamite in central Utah.

A prairie-town sheriff uncovers a drug ring that includes its most powerful law enforcement officials; to help bring them down, he calls in the FBI; just before the trial, the ring's kingpin makes a deal, and days later, he's dead.

When someone guns down mine worker Matthew Misener on a remote Arizona highway, it first appears to be a road rage attack; his family faces the shocking possibility that they unwittingly played a part in the feud that left him dead.

In Hayti, Mo., Tray Phelps is found beaten to death in his driveway; the townspeople are stunned to discover that a web of evil lurks just beneath the surface of the seemingly idyllic hamlet.

Foul play is suspected when Irene Trujillo, a rock quarry owner, suddenly goes missing; Irene's body is found in the quarry and her employees become suspects.

A woman vanishes from her home in the neighborhood of Belle Center, Mo., without a trace; hoping to find Anita Dunn before it's too late, the community aids investigators in an exhaustive search.

A young mother's death by strangulation engulfs a cloud of suspicion over a tiny town in Ohio.

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.

Former cheerleader Valerie Zavala is invited to a party with high school football players and cheerleaders; she is found dead; investigators collect home video from the party to find clues to identify her killer.

When the Broncos draft Texas high school football star Darrent Williams, he stays loyal to his hometown; on New Year's, he flies five school friends to Denver for a party; soon after midnight, Darrent dies and no one knows who killed him, or why.

A tip comes in from an unexpected Willard, Mo., resident that leads to the final resting ground of missing newlyweds Russell and Rebecca Porter.

Former cheerleader Valerie Zavala is invited to a party with high school football players and cheerleaders; she is found dead; investigators collect home video from the party to find clues to identify her killer.

When the Broncos draft Texas high school football star Darrent Williams, he stays loyal to his hometown; on New Year's, he flies five school friends to Denver for a party; soon after midnight, Darrent dies and no one knows who killed him, or why.

In Hayti, Mo., Tray Phelps is found beaten to death in his driveway; the townspeople are stunned to discover that a web of evil lurks just beneath the surface of the seemingly idyllic hamlet.

Foul play is suspected when Irene Trujillo, a rock quarry owner, suddenly goes missing; Irene's body is found in the quarry and her employees become suspects.

Southern belle CeCe Coffee falls prey to a brutal home invasion that will force her to think on her feet if she wants to stay alive.

Single mother Erin installs a security system after realizing that someone's been inside her home, but that doesn't stop the intruder from breaking in, determined to end her life as well as his own.

In 1994, Lake Orion, Mich., is rocked by a murder; at first, the crime is a mystery -- but in a small town where everyone knows each other, rumors start flying; police soon expose a strange and twisted plot that no one saw coming.

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.

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.

Three women die of the same mysterious illness, and the hunt is on to prove their deaths were no accident; investigators don't realize they're being played for fools by a sinister killer lurking undetected.

A man who calls himself The Bishop abducts a woman and holds her captive; he imprisons six women in his basement, raping and torturing them; as captives begin to die, one woman knows her only chance of survival is to escape.

In the suburbs of Chicago, a handsome man with searing blue eyes turns out to be a bloodthirsty monster hiding in plain sight and attacking young women at will; it takes decades for the survivors to discover he is a serial killer.

A single mother comes home to find a serial killer holding her disabled sister hostage; he tries to kidnap her young son, but she begs him to take her instead; she is at his mercy for days, and to survive, she must get him to fall in love with her.

Twenty-year-old Kristy Ray is living at home and attending college, then she is abducted; local police seek out the help of the FBI and community members as they race to find Kristy before time runs out.

With a new home and loving fiancé, single mother Lisa Filiaggi finally feels as though luck is on her side, then past troubles come back to haunt her and threaten to destroy all her future plans.

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.

Jenny and Mike are teen sweethearts but after marrying, Mike begins a campaign of control and violence against his wife and children; just as Jenny plans to escape her living nightmare, Mike finds out and decides he will do anything to stop her.

When Stacy Malman and Robert Feldman fall in love, it's a dream come true; behind closed doors, life becomes a living hell; one night, a knock at the door forces the couple to confront the truth and triggers a series of events ending in horror.

After years of abuse, Cheryl musters the courage to leave her husband, Thom; he stalks her and torments their two children; when Cheryl finds a new love, her ex sets a trap to take the ultimate revenge.

When Angie meets Joe, her family and friends aren't sure what to make of their relationship; the couple marry and have kids but soon Angie becomes isolated from her loved ones and trapped in a spiral of abuse that ends in an horrific triple homicide.

In the early 90s, drug kingpin Clarence Preacher Heatley rules New York City; he rakes in millions during the crack epidemic, murdering anyone who gets in his way; after a 12-year-old boy is killed, the Feds try to take him down.

In the early 90s, drug kingpin Clarence Preacher Heatley rules New York City; he rakes in millions during the crack epidemic, murdering anyone who gets in his way; after a 12-year-old boy is killed, the Feds try to take him down.

David Matusiewicz, Christine Belford and their four kids live the American dream; But when David's parents move in, his family's need for control over the children leads to allegations of abuse, a 19-month kidnapping, and ultimately, a brutal murder.

David Matusiewicz, Christine Belford and their four kids live the American dream; But when David's parents move in, his family's need for control over the children leads to allegations of abuse, a 19-month kidnapping, and ultimately, a brutal murder.

In the early 90s, drug kingpin Clarence Preacher Heatley rules New York City; he rakes in millions during the crack epidemic, murdering anyone who gets in his way; after a 12-year-old boy is killed, the Feds try to take him down.

In the early 90s, drug kingpin Clarence Preacher Heatley rules New York City; he rakes in millions during the crack epidemic, murdering anyone who gets in his way; after a 12-year-old boy is killed, the Feds try to take him down.

David Matusiewicz, Christine Belford and their four kids live the American dream; But when David's parents move in, his family's need for control over the children leads to allegations of abuse, a 19-month kidnapping, and ultimately, a brutal murder.

David Matusiewicz, Christine Belford and their four kids live the American dream; But when David's parents move in, his family's need for control over the children leads to allegations of abuse, a 19-month kidnapping, and ultimately, a brutal murder.

When 16-year-old Stephanie Santerre goes missing, everyone in her life falls under scrutiny; an emerging web of lies and deception leaves investigators to puzzle out the sordid truth.

A family's black sheep spends a lifetime in her younger sister's shadow; as the relationship with her mother takes a turn for the worse, things build to a boiling point that will leave one family member dead.

A mother's infatuation with a married man who said he had no interest in being a father to anyone's children is a possible motive behind Diane Downs's crimes, who allegedly shot her three young children.

A mother's infatuation with a married man who said he had no interest in being a father to anyone's children was the possible motive behind the crimes of Diane Downs, who allegedly shot her three young children.

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.

A teenager sleeps through the murder of her father, Ken Eaton, at their home; as detectives probe into the beloved teacher's secret love life, they unravel a web of heartbreak, deceit and desire.

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 June 2009, 61-year-old Wendy DiRodio's elderly mother discovers Wendy's body in the bedroom of their shared Ventura County, Calif., home; another murder weeks earlier leads investigators to wonder if a serial killer is on the loose.

Theresa Wesolowski, 22, is murdered on May 29, 1999; police are baffled for nearly 10 years before finally getting a break when a new DNA technique identifies Wesolowski's coworker, Mark Libecki, as her killer.

Caroline Nosal, a 24-year-old grocery store worker, befriends co-worker Christopher O'Kroley, but she soon complains to store management about O'Kroley's behavior leading to a tragic outcome.

In Tacoma, Wash., businessman Robert Henry is murdered by a masked gunman, and his wife, Paula, points the finger at Henry's former business associate, Larry Shandola.

Mystery shrouds the Iraqi community in Michigan when a devoted father of two is found hacked to death in his home; as the search for his killer intensifies, investigators unravel a web of digital clues that reveal an evil conspiracy.

When 20-year-old Chloe Randolph gives birth to a baby boy, her family is over the moon, but what should be a blissful time for this loving mom is about to turn into a waking nightmare.

John Eichner, his wife and kids look like a happy family in Genoa, Ohio, but behind closed doors a disturbing pattern of torment and gaslighting plays out for years, and well-crafted lies drown out a victim's pleas for help.

For years, Bill, Stephanie, and their three kids hide their torment while struggling to keep up appearances; the façade shatters for good when someone starts swinging a pickaxe.

Aspiring actress Adriana Pinon is thrilled to land a recurring role as a background actor on the hit soap opera.

A man finds his girlfriend and her mother murdered in their beds at night; he calls 911 for help, but police discover his urge to seek revenge.

When Omaha, Neb., police officers arrest the driver of a stolen van, he shocks detectives by giving an unsolicited confession to a gruesome murder, and it is only the first of many chilling revelations.

Searchers for a missing woman find her brutally beaten body in a dilapidated house near her home; the case goes cold until a local teen steps forward to reveal that he's the killer.

A man finds his girlfriend and her mother murdered in their beds at night; he calls 911 for help, but police discover his urge to seek revenge.

When Omaha, Neb., police officers arrest the driver of a stolen van, he shocks detectives by giving an unsolicited confession to a gruesome murder, and it is only the first of many chilling revelations.

Searchers for a missing woman find her brutally beaten body in a dilapidated house near her home; the case goes cold until a local teen steps forward to reveal that he's the killer.

Aspiring actress Adriana Pinon is thrilled to land a recurring role as a background actor on the hit soap opera.

In 1991, a woman takes her daughter to a busy electronics store to buy a boom box; nearly 9 hours later, she walks out -- a battered survivor of one of the largest hostage crises in U.S. history.

When Grant Hardin is arrested for murder, his wife, Linda, believes police have the wrong man; then, officers show up at Linda's door with evidence of another crime, and her devotion is put to the test.

Donna Ongsiako was alone in her New Jersey home when she heard a noise downstairs; she thought she forgot to let the cat in, so she opened the door; there, she suffered a horrific knife attack by an unusual suspect; Jim Axelrod reports.

Tiffiney Crawford, a wife and mother, is found dead in her van with two bullet wounds to her head and a gun in her hand; investigators' first impression is that she killed herself, but they soon realize it might be a murder.

In 1987, Terry Wood comes home to find his wife, Roxanne Wood, dead; investigators preserve DNA, but technological limitations of the time turn the case cold, until now.

Just over a decade after Mark Twitchell was convicted of murdering Johnny Altinger, who prosecutors say he lured into a garage, stabbed and dismembered, Troy Roberts takes a rare look inside Twitchell's mind through his writings.

Young parents Gary and Tasha Bentley are living the good life; they've got high-paying jobs, a nice house and regular vacations to the tropics, but just five years into their marriage, someone's plotting an exit strategy that ends with a bullet.

Michelle Lira dreams of being a doctor, until one day a rollercoaster romance steers her life in a different direction, straight into a deadly ambush.

In 2007, a 19-year-old woman is brutally murdered in the small town of Winnsboro, Texas; the ensuing investigation reveals the small town has a few wolves masquerading in sheep's clothing; some secrets come to light, but others may be buried forever.

A mysterious shooter attacks a loving father.

In 2021, police find a retired couple stabbed repeatedly in their home; they witness a mysterious figure coming and going on security footage, which leads them to a suspect who is very close to home with a desire for revenge.

Retired drama teacher Kathy Gillcrist embarks on a journey to find her biological parents; her worst fears come to fruition when she discovers police want her father for a mass murder in Maryland state.

Pulling back the curtain on bizarre double lives and stories of men and women who thought they were happily married, until the day they uncovered a shocking secret about their spouse.

Carol Dennis' decades of hell started when a polygamous Mormon cult leader selected her, at the age of 16, as his next wife.

Sean Scott marries his high school sweetheart, Wendi Ellis, but things soon turn sour as Wendi racks up bizarre and destructive offenses; in the final conflict, Sean must choose between his family's survival and his sworn vow.

Rising rock and roll star Jerry Lee Lewis dazzles thirteen-year-old Myra Brown when he comes to live at her Memphis, Tenn., home to record at Sun Records; her life becomes headline news when he manipulates her into marrying him.

Brandon Horst and Heather Schwarz are former high school sweethearts who reunite after Brandon's tour of duty in the Middle East; when they struggle to have a child, the pressure leads to secrets, affairs and deceit, leading to a diabolical homicide.

When new mother Sara Raras is found brutally murdered, the investigation quickly focuses on her violent, estranged husband, Alberto; then, a jailhouse snitch shares new information pointing to an unlikely suspect with an odd motive for murder.

Yvonne Oulton's husband and son discover her dead in her minivan; detectives work around the clock to catch Yvonne's killer, until they figure out that everything they've been led to believe about her life is a lie.

An extroverted Texas couple steps up from a trailer to a palatial home; the parties, late nights and excessive drinking lead to inappropriate flirting and cracks in the marriage; tensions continue to build until one awful day, the party ends forever.

A chance meeting leads to love for a down-to-earth couple who decides to live in a remote town off the beaten path; their new life together rips apart from jealousy and isolation after they marry, and an old demon will prove deadly.

When new mother Sara Raras is found brutally murdered, the investigation quickly focuses on her violent, estranged husband, Alberto; then, a jailhouse snitch shares new information pointing to an unlikely suspect with an odd motive for murder.

Yvonne Oulton's husband and son discover her dead in her minivan; detectives work around the clock to catch Yvonne's killer, until they figure out that everything they've been led to believe about her life is a lie.

An extroverted Texas couple steps up from a trailer to a palatial home; the parties, late nights and excessive drinking lead to inappropriate flirting and cracks in the marriage; tensions continue to build until one awful day, the party ends forever.

A chance meeting leads to love for a down-to-earth couple who decides to live in a remote town off the beaten path; their new life together rips apart from jealousy and isolation after they marry, and an old demon will prove deadly.

Brandon Horst and Heather Schwarz are former high school sweethearts who reunite after Brandon's tour of duty in the Middle East; when they struggle to have a child, the pressure leads to secrets, affairs and deceit, leading to a diabolical homicide.

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.

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.