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.

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

DNA and genealogy help to solve the 1995 cold case murder of school teacher Mary Catherine Edwards in Beaumont, Texas.

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.

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

DNA and genealogy help to solve the 1995 cold case murder of school teacher Mary Catherine Edwards in Beaumont, Texas.

Lindsay Wrinkles always knew her father had a short temper, but she never expected to be on the run from him when she was only 14; as she runs from hideout to hideout, desperate to evade him, Wrinkles wonders what will happen if he ever finds her.

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.

A kind and well-liked husband and father, Tom Bragg, is found brutally murdered; his community struggles to think who wanted him dead.

Twenty-seven-year-old beauty Sherri Jackson vanishes, leaving behind a blood-smeared apartment; as investigators launch a frantic search for Sherri, they discover she was harboring a dark and violent secret that may have gotten her killed.

Lilly Rush interviews a maid who says she witnessed the beating death of a teenage girl during a party on a luxurious estate more than 25 years ago.

A woman asks Lilly to investigate the murder of her fiance's first wife and points a finger at an inmate serving time for an unrelated crime.

A serial rapist sends a letter to the squad announcing his return to Philadelphia after five years and his plan to strike again.

Recent high-school graduate Stephanie Neiman gives her friend a ride, which ends with Neiman fighting for her life.

Bohdi Potter, 16, and Cody Thompson, 18, go missing, and the grave truth behind their disappearance lies in the depths of an abandoned military bunker.

After fleeing her troubled marriage, Deborah Brown and her children seek refuge at her brother's house in rustic Lebanon, Maine; when a stranger shows up in the dead of night, Deborah and her family are unprepared for what happens next.

The townspeople of Glendive, Mont., are paralyzed with fear after Susan Casey vanishes, and the investigation leaves everyone wondering if one of Casey's former flames is harboring a sinister secret, or if someone else is stalking their town.

In Claypool Hill, Va., a popular pizza restaurant is turned into a horrific crime scene; the clues point to something more sinister than a robbery gone wrong, and authorities realize they must move fast to catch the killer.

In Grand Ledge, Mich., retired police officer Michael Greene, and his wife, Terri, are murdered in their home, and police find evidence of a personal grudge as a possible motive for the heinous crime.

In Berryville, Va., a town counsel member is found murdered in her home, and the only evidence left behind is the single bullet that took her life, making the slaying look more and more like a professional hit.

In Florida, friends and family are stunned after an esteemed criminal law professor is executed in his garage; investigators follow a series of leads taking them on a statewide hunt in search of the murderous masterminds.

In York, Pa., race riots claim the lives of an African-American mother and a young, white police officer; their deaths are largely forgotten until 30 years later when their cold cases are reopened, revealing the city's dark past.

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

The murder of James Byrd, Jr. throws his family into turmoil as law enforcement investigates one of the most gruesome hate crimes in U.S. history.

A teen mysteriously vanishes after a strange night with friends.

Fresh from a breakup, a Playboy casting assistant revels in the L.A. nightlife scene until a wild night out ends in her mysterious death.

Elizabeth Chambers unravels the deception and manipulation that leads to the bloody ending of Kelly Sutliff's marriage - but a vicious attack is only the start of Kelly's nightmare. Living in fear, Kelly turns to an unlikely source for protection.

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.

Fresh from a breakup, a Playboy casting assistant revels in the L.A. nightlife scene until a wild night out ends in her mysterious death.

Elizabeth Chambers unravels the deception and manipulation that leads to the bloody ending of Kelly Sutliff's marriage - but a vicious attack is only the start of Kelly's nightmare. Living in fear, Kelly turns to an unlikely source for protection.

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.

A teen mysteriously vanishes after a strange night with friends.

When Jean Claude Dominique is the victim of a hit-and-run accident, his wife, Eliette, rushes to his side and comes face to face with his other wife.

The investigation into the disappearance of a Wyoming mother and her two young sons goes cold until the revelation of a dark secret leads police to a homicide.

University of Illinois graduate student Yingying Zhang disappears after climbing into a stranger's car; police enlist the suspected killer's girlfriend to wear a wire and record their conversations.

University of Illinois graduate student Yingying Zhang disappears after climbing into a stranger's car; police enlist the suspected killer's girlfriend to wear a wire and record their conversations.

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.

Bodycam video captures the hunt for a madman who unleashed a six-person killing spree upon the Scottsdale, Ariz., area over the course of 96 hours.

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.

Officers find Tyrone Hassel III shot to death outside his father's home while on holiday leave from the Army; investigators must unravel a real whodunit, and when the killer finally comes out, the detectives can't hide their shock.

Negotiators try to de-escalate the situation when officers locate an armed suspect in a dark forest at night who has taken his three children hostage and claims he will hurt his family.

A bank robber takes a family hostage; a crazed man threatens his child.

An ex-felon with an axe to grind takes his former lawyer hostage, threatening to detonate a bomb if he doesn't get justice.

Hope Melton vanishes after being run off a country road; CCTV footage from a nearby gas station reveals a suspicious orange car that appears to follow Melton out of the parking lot.

On Valentine's Day 2015, James Enright, 27, is stabbed to death outside a busy train station in Burnaby, Canada; despite cell phone footage of the attack, police struggle to identify his killer, until CCTV leads them to an unlikely suspect.

In Tulsa, Okla., Amanda Douglas and Jennifer Sudar Sanders enjoy an evening out at a casino; the next morning, the two are shot outside their apartment complex; investigators soon learn that the shooter was driving a distinctive gold Pontiac.

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.

The murder of a mother leads to a tense international manhunt.

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

After a gunfight outside a bar ends with two dead, Grand Rapids detectives discover that twin brothers are involved; the twins claim self-defense.

In separate calls, Chillicothe, Ohio, police officers find three murder victims and another clinging to life; as they investigate these crimes, they discover the victims are related; detectives question suspects, which leads to an unlikely killer.

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

After a gunfight outside a bar ends with two dead, Grand Rapids detectives discover that twin brothers are involved; the twins claim self-defense.

Officers find Tyrone Hassel III shot to death outside his father's home while on holiday leave from the Army; investigators must unravel a real whodunit, and when the killer finally comes out, the detectives can't hide their shock.

The murder of a mother leads to a tense international manhunt.

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.

Lilly investigates the 1990 murder of a church organist who was found in an alley surrounded by crack vials and racy magazines.

Lilly investigates a case from 1973 involving a young police officer who was murdered after responding to a call at a drug-infested housing project.

A prison inmate relates a conversation he overheard to Lilly, leading her to believe the wrong man is serving time for the murder of a 16-year-old girl.

In one of the most exclusive neighborhoods in Washington, D.C., police discover a gruesome murder scene amongst the charred ruins of a mansion.

Cody MacPherson moves to New Jersey seeking work and disappears after a night of partying with a new group of friends.

A young mother is found brutally murdered in her home in Chestnut Ridge, N.Y.; detectives scratch their heads over snowy footprints that lead up to the house but not away from it.

A woman's blissful marriage to a younger man takes a detour into darkness.

Steve and Lana Clayton seem like a devoted couple, but all isn't as it seems; a sinister plan is acted out over the course of several days, leaving one of them dead.

Jason and Lindsey Lee change their lifestyle to reignite the spark in their marriage, but it comes with deadly consequences.

It never occurred to Shirley Gaskins that the father she adored could be one of the most prolific serial killers in America, but the more people vanished without explanation, the harder it was to deny.

Christian Fuhr receives a life sentence, and his girlfriend, Ammie Turos, believes he is innocent; when she discovers he's guilty, her conviction is replaced by uncertainty, and she wonders if her life had been in danger the entire time.

Claire Throssell interprets Darren Sykes' overwhelming displays of affection as signs of true love; she doesn't realize that Darren's grand gestures are his way of luring her into a false sense of security so he can control her.

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.

Operators receive a call from a teenager claiming he stabbed his parents to death; unsure if the call is a Halloween prank, police race to the scene and discover it is no hoax and that the caller is a psychopath.

A teenager is arrested after his mother finds the body parts of a missing drifter in his bedroom; while in custody, police uncover that the suspect is a psychopath who idolizes serial killers.

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.

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.

John Gotti's expensive suits and swagger earn him the nickname Dapper Don; in reality, he is a man to be feared, a ruthless, dangerous Mafia gangster who orders hits on his enemies, his friends, and anyone who crosses him.

John Gotti's expensive suits and swagger earn him the nickname Dapper Don; in reality, he is a man to be feared, a ruthless, dangerous Mafia gangster who orders hits on his enemies, his friends, and anyone who crosses him.

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

John Gotti's expensive suits and swagger earn him the nickname Dapper Don; in reality, he is a man to be feared, a ruthless, dangerous Mafia gangster who orders hits on his enemies, his friends, and anyone who crosses him.

John Gotti's expensive suits and swagger earn him the nickname Dapper Don; in reality, he is a man to be feared, a ruthless, dangerous Mafia gangster who orders hits on his enemies, his friends, and anyone who crosses him.

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

Operators receive a call from a teenager claiming he stabbed his parents to death; unsure if the call is a Halloween prank, police race to the scene and discover it is no hoax and that the caller is a psychopath.

A teenager is arrested after his mother finds the body parts of a missing drifter in his bedroom; while in custody, police uncover that the suspect is a psychopath who idolizes serial killers.

The idea that a child may possess the same wicked traits found in the most sadistic killers is every parent's worst nightmare; experts examine the early warning signs in psychopathic killers apprehended as teens and young adults.

When 19-year-old college student Faith Hedgepeth is found brutally murdered in her off-campus apartment, the evidence leads police to believe that she knew her killer; six years later, Faith's murderer is still at large.

At first, it appears as though 50-year-old Edwardyne Williams has fallen victim to a random act of violence; however, as police dig deeper, they discover that her killer is someone who has been harboring a grudge against her for years.

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.

Benjamin Amato and Cheryl Kunkle's May-December romance grows complicated when Cheryl becomes pregnant; the former lovers soon square off in court, but the day before their final custody hearing, a murder changes everything.

All-American Midwestern hunk Timothy Boham's innocent modeling career catapults him into porn industry stardom; when Tim tries to escape the vicious cycle of selling his body for money, running from his past proves to be deadly.

A single mother turns to exotic dancing to support her family; as she becomes successful, the temptation to make much more money leads to lies with devastating consequences; faced with an uncertain future, she stabs and kills her boyfriend.

In the 1970s, Anneka Di Lorenzo finds fame as a successful model in Penthouse Magazine and secures a part in the movie.

Blood isn't thicker than water for some women; a teen sacrifices her family for an early inheritance; a recluse murders her parents over an obsession with Hollywood memorabilia; a woman's social status is more important to her than her mother's life.

Eyes are the windows to the soul, except for these three demented women.

Paige Conley turns to drugs and alcohol following her parents' divorce and takes her anger out on her mother; Becky Reid is volatile and violent behind closed doors; Katie Coursey unleashes drug-fueled rage on the one person trying to protect her.

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.

A rash of break-ins shatters the peace in a tight-knit community; when residents take sides, good friends turn into deadly enemies.

A former cop is moving into a close-knit neighborhood; conflict arises with the whole community over dogs, noise, and other disturbances that keep piling on and ratcheting up until a boiling point is reached, guns are drawn, and blood is spilled.

An apartment-dwelling family finds their peace and quiet shattered when a loud neighbor moves into the unit directly overhead; the conflict engulfs both sides resulting in flying fists, drawn weapons, and a man left bleeding out in the hallway.

Two neighbors are the best of friends, but the relationship sours when one accuses the other of stealing from him; tensions rise after constant surveillance, accusations of snitching and a literal backstabbing, ending in a deadly on-camera shooting.

KCKPD's Narcotics Squad ensnares a low-level drug-dealing couple; to help stop the flow of meth into Kansas City, they try to flip a local drug kingpin and go all the way to the top of the drugs supply chain.

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.

After a gunfight outside a bar ends with two dead, Grand Rapids detectives discover that twin brothers are involved; the twins claim self-defense.

The brutal murder of a young basketball player in a drive-by shooting leaves detectives with few clues about the killer, but forensic evidence could be the key to charging a suspect.

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.

After a gunfight outside a bar ends with two dead, Grand Rapids detectives discover that twin brothers are involved; the twins claim self-defense.

The brutal murder of a young basketball player in a drive-by shooting leaves detectives with few clues about the killer, but forensic evidence could be the key to charging a suspect.

KCKPD's Narcotics Squad ensnares a low-level drug-dealing couple; to help stop the flow of meth into Kansas City, they try to flip a local drug kingpin and go all the way to the top of the drugs supply chain.

Caught up in a love triangle, young chef Heather Mallory vanishes; detectives and Heather's parents search for the truth in an investigation involving wiretaps, confidential informants and a dramatic resolution deep in the forest.

After a home invasion turns deadly with the near decapitation of a man, police look at the victims' friends and girlfriend.

Sophia Putney-Wilcox is excited to start her senior year of high school after ending an abusive relationship with her boyfriend, Adam; unable to take the rejection, Adam breaks into her house with a bottle of gasoline and a lighter.

When a single mother breaks up with her volatile boyfriend, she finds out he has other plans for her; armed with a gun, he holds her hostage; as her life hangs in the balance, she has no idea her friend on the SWAT team is determined to save her.

Living with her mother, sister and grandmother, Catherine dumps her drug-using boyfriend, Shane, who breaks into her home and takes everyone hostage; Catherine hides behind a shower curtain for five hours not knowing how the deadlock will end.

When Staff Sgt. Michael Severance goes AWOL, the community of San Angelo, Texas, rallies around his bride, then investigators discover a sinister side to his disappearance, uncovering a saga of treachery and passion as big as the state of Texas.

Speculation and rumors fly when 16-year-old best friends Dawn Donaldson and Crissy Campbell vanish overnight and detectives must uncover the truth behind their disappearance.

When Veronica Bozza's body is found on her living room floor, it sends shock waves through the close-knit community of Bridgewater, Tenn., and leads investigators to uncover a bizarre murder plot right out of a Hollywood movie.

A Virginia Beach massage therapist disappears before work, sparking an intense search; weeks later, a cyclist discovers trash bags in a swamp.

When Andrea Farrington meets fellow employee Alex Kozak, she feels that romance could be on the horizon, then Farrington's hopeful feelings are replaced by suspicion and fear, leading to a final rejection that has fatal consequences.

Two school secretaries disappear in broad daylight, while on their lunch break; one of the school secretaries is found dead and the other is still missing; police suspect that the perpetrator of the crime has ties to the school.

Sandra Berfield suffers years of harassment from coworker Steven Caruso and has him jailed for violating a restraining order; released, Caruso sends a pipe bomb to Berfield who is killed instantly after picking up a package left on her front porch.

A small town reckons with its first murder in 34 years; a killer enters a woman's house through a hole in the wall and murders her, leaving an elderly woman dead in a bathtub.

The body of a South Carolina man turns up floating in the Black River. Investigator Allen Morris, working his first homicide case, must scrutinize the victim's wife and mistress and ultimately untangle the web of deceit surrounding his disappearance.

A scene straight out of a horror film unfolds outside of a Colorado police station, leaving one woman clinging to life and a second violently abducted; Det. Rick Archer soon uncovers a disturbing pattern that may have started a decade earlier.

After a young mother goes missing on the streets of Washington, DC, Detective Jackie Middleton must get to the bottom of a cold-blooded conspiracy.

As a teenager, heartthrob Nick Carter becomes the best-known member of best-selling boy band Backstreet Boys; in the midst of #metoo, former pop star Melissa Schuman goes public with allegations that Carter sexually assaulted her.

Melissa Schuman deals with the Backstreet Boys fans and their intense reaction to her allegations; as one of Carter's ex-girlfriends speaks out and another alleged victim comes forward, their ally is Nick's brother, Aaron Carter.

Aaron Carter goes public saying he supports the women's allegations against his brother while his own behavior becomes increasingly erratic; the Carter family is put under a microscope, revealing a dark tale of addiction, abuse and tragedy.

Aaron's struggles with addiction and mental illness come to a tragic conclusion; Nick faces more sexual assault allegations and, while his accusers finally take their cases to court, Carter maintains his innocence.

As a teenager, heartthrob Nick Carter becomes the best-known member of best-selling boy band Backstreet Boys; in the midst of #metoo, former pop star Melissa Schuman goes public with allegations that Carter sexually assaulted her.

Melissa Schuman deals with the Backstreet Boys fans and their intense reaction to her allegations; as one of Carter's ex-girlfriends speaks out and another alleged victim comes forward, their ally is Nick's brother, Aaron Carter.

Aaron Carter goes public saying he supports the women's allegations against his brother while his own behavior becomes increasingly erratic; the Carter family is put under a microscope, revealing a dark tale of addiction, abuse and tragedy.

Aaron's struggles with addiction and mental illness come to a tragic conclusion; Nick faces more sexual assault allegations and, while his accusers finally take their cases to court, Carter maintains his innocence.

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.

After a Tennessee fisherman finds a woman's body floating in a creek, family secrets, decades-long feuds, and a suspicious funeral shine light on a complex conspiracy, but the truth is far more shocking than anyone could have ever imagined.

Emmett, Idaho, a cowboy town where a person's word is everything, is shaken forever when a murderer beats a local saddle maker to death; investigators and locals band together and uncover layers of betrayal and deceit.

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

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.

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.

Two football coaches, Paul Reagor and Jerry Bailey, vanish in a small Oklahoma town; their disappearance exposes racial tensions and reveals the high stakes surrounding high school football in the community.

The Ybarra family wake to find their son Jacob and his best friend, Sabion, shot to death; as star football players for their high schools, the murders shatter two small Texas towns; the tragedy worsens when the community learns who the killer is.

In St. Louis, Missouri, a killer lures a beloved Missouri high school football coach to his death.

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.

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.

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.

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.

Katie Call's ex, Todd, refuses to accept the collapse of their relationship and he hides video cameras and microphones in her home, biding his time to wreak a bloody revenge.

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.

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.

When a philanderer is reported missing, police suspect foul play, focusing on the man's wife as well as her best friend in the world, her sister.

The Beck twins spend their entire lives side by side in the same house, until the day one of them decides she has had enough.

A hit-and-run car accident might not be an accident, after all.

The Beck twins spend their entire lives side by side in the same house, until the day one of them decides she has had enough.

A hit-and-run car accident might not be an accident, after all.

When a philanderer is reported missing, police suspect foul play, focusing on the man's wife as well as her best friend in the world, her sister.

California real estate developer Jana Koklich vanishes in the summer of 2000, causing police to suspect her job led her into danger, until a local pastor comes forward with a shocking confession.

A car races up to the emergency room doors at a Mount Kisco, N.Y., hospital; driver Carlos Perez-Olivo has been shot in his side, while wife Peggy has been shot in the head; investigators must determine what horror has befallen this couple.

A young woman's strange encounter with a man outside her home becomes the thread that unravels a terrifying murder mystery.

A woman finds a young mother murdered following a festive New Year's celebration.

A young mother is murdered inside her home, and her family hopes to help put her killer behind bars.

The heir-apparent to a Colorado ranch, Jake Millison, suddenly disappears, which shocks his friends, but his family doesn't seem to care; when a worker discovers human remains, an unexpected confession destroys the bond between mother and child.

A mom, Kay Parsons, is brutally murdered in a Georgia suburb; her neighbor and best friend, Becky Sears, is shot the next day; police uncover a tale of adulterous deceit, which links the attacks and reveals a deadly mother-son conspiracy.

The murder of a beloved husband and father in a violent carjacking devastates his family; however, his grieving widow and her son turn the family home into a party house full of sex toys and drugs, exposing a very different reality.

Richard and Ryan Girgis knew their father, Magdi, was not a particularly good father, but when their family is torn apart, the brothers feel they knew he was evil all along.

When Sonja Holt's fiancé, Stafford Shaw, starts staying out late, she initially believes his excuses; she never imagines just how far he'll go to safeguard his secrets or the terrible price that will have to be paid when they come to light.

The story of Morgan Metzer, a woman who fell victim to an elaborate assault and rescue drama orchestrated by her ex-husband.

Genie already knows Lee Cawthon is capable of horrible things when he forces her into a polygamous relationship; she plays along with his twisted demands, but doesn't realize that the consequences of letting him have his way might be worse.

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.

Alisa Mathewson suffered a 55-hour ordeal that almost cost her life at the hands of her estranged husband, Trevor Summers; she shares her harrowing experience of being kidnapped and sexually assaulted with Peter Van Sant.

A series of non-fiction investigations that explore such themes as jealousy, murder and deceit.

Inside a daughter's desperate search for her mother 17 years after she disappeared, and her determination to bring her killer to justice.

When two friends go missing in Bakersfield, California, and another is murdered in the space of one month, their families fear something sinister is brewing; they join forces to find out what happened and where their children are now.

Terrifying discoveries in local waterways solidify the moms' fears that the cases are connected; their kids were all on dark paths that brought them face to face with dangerous local characters, including the self-proclaimed Boogieman of Bakersfield.

Police hunt for Micah's killer, and evidence points to someone he knew; a dramatic arrest furthers the investigation, but answers won't come easily; the moms continue their quest for justice; a shocking press conference threatens to tear them apart.

A series of non-fiction investigations that explore such themes as jealousy, murder and deceit.

When two friends go missing in Bakersfield, California, and another is murdered in the space of one month, their families fear something sinister is brewing; they join forces to find out what happened and where their children are now.

Terrifying discoveries in local waterways solidify the moms' fears that the cases are connected; their kids were all on dark paths that brought them face to face with dangerous local characters, including the self-proclaimed Boogieman of Bakersfield.

Police hunt for Micah's killer, and evidence points to someone he knew; a dramatic arrest furthers the investigation, but answers won't come easily; the moms continue their quest for justice; a shocking press conference threatens to tear them apart.

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.

Ed and Minnie Maurin believe in kindness above all else, then evil strikes the sweet couple; police must navigate a long and winding road of secrets and deception to bring the elderly couple's killers to justice.

Neighbors Kay Parsons and Becky Sears are practically family, working together and raising their children side by side, but being so close leads to scandal and murder, leaving both families forever damaged.

A woman, 75, seeks justice for her murdered son, who was the victim of a gay-bashing incident in 1963.

A woman emerges from a two-year coma not knowing who she is and with no memory of the unsolved murder of her 6-year-old daughter.

A man calls Lilly to confess he murdered his grandmother 14 years ago and buried her in the basement of his former home.

Kerri Harris and her friend discover a camera secreted in the restroom at work; while police examine the evidence, Harris is stabbed to death in her office with her co-workers just a few feet away.

Alisha Bromfield's supervisor, Brian Cooper, promotes her to team leader, but his motives are not entirely pure; Bromfield stands her ground, letting Cooper know she doesn't want a relationship beyond a professional one.

Bob Peterson invites himself over to his co-workers Gene and Jaye-Jaye Thurnau's new home to give them a housewarming present; later, Jaye-Jaye leaves the guys alone to run an errand, during which time they vanish.

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.

With two mortal gunshot wounds and tape residue on his wrists and ankles, it's clear 21-year-old Landy Martinez suffered before his death; detectives hope the victim's cellphone provides the critical evidence they need to close in on his killer.

As detectives reconstruct a single mom's final 24 hours, their suspicions turn to her fiancé, a co-worker and a violent ex-boyfriend; investigators discover a disturbing pattern of attacks and a predator with the master key.

When the body of a single mother turns up in a snowbank outside Anchorage, Alaska, the evidence points to the victim's fugitive fiancé; the shocking murder of a second native Alaskan sparks investigators' fears that a serial killer is on the loose.

New neighbors disrupt the harmony that has existed between residents for years; alliances change and terror reigns until a winter storm puts a bloody end to the feud.

Some grudges die hard, but this neighbor's won't die until his enemies do.

A five-year relationship between neighbors falls apart when one borrows the other's lawnmower and supposedly returns it broken; camaraderie morphs into rage, threats, and physical violence until a bloody murder devastates the community.

Two neighbors who are down on their luck bond over their struggle; when one buries the other in debt with a hustle gone wrong, things fall apart, but their co-dependence keeps them entwined until an act of revenge.

In 2001, actor Robert Blake finds his new wife, Bonny Lee Bakely, shot in the head in the couple's car; the largest homicide investigation in LAPD history uncovers a story of blind ambition and betrayal.

Panic spreads at the Suncoast Playboy Club when an aspiring photographer turns up brutally murdered right after shooting the annual.

Elizabeth untangles the web of lies that wrongfully imprisoned Michelle Hadley for 88 grueling days; Michelle finally gets to take back her power and her voice as she reveals the twisted truth behind the frame job by her demented ex.

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

Panic spreads at the Suncoast Playboy Club when an aspiring photographer turns up brutally murdered right after shooting the annual.

Elizabeth untangles the web of lies that wrongfully imprisoned Michelle Hadley for 88 grueling days; Michelle finally gets to take back her power and her voice as she reveals the twisted truth behind the frame job by her demented ex.

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

In York, Pa., race riots claim the lives of an African-American mother and a young, white police officer; their deaths are largely forgotten until 30 years later when their cold cases are reopened, revealing the city's dark past.

A police officer is gunned down while on a midnight patrol, and her attacker flees with her squad car and weapon.

In pursuit of a serial killer, Colorado police are horrified when a pager found in the snow near a victim's vehicle points to a suspect who has sworn to protect and serve.

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

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

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

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

When a college freshman is raped and murdered, a rookie police officer beats the odds to catch her killer.

Like in a scene out of one of his Westerns, a former actor is gunned down in Yuma, Ariz., and police chase down leads across the Southwest until they finally get their man.

The leading advocate for the science of cold fusion is beaten to death and investigators theorize about a wide range of suspects, from corporate executives to burglars.

Prison Valley is rocked by the murder of Prisons Chief Tom Clements; the police think it's part of a wider plot, including the death of pizza delivery man Nathan Leon, and they're running out of time to catch the killer.

When Lea Porter goes missing in Prison Valley, her family members set out to find her; their investigation leads to the discovery of the killer's true identity; as the killer evades arrest, Lea's brother devises a plan to make him confess.

When Jim Durgan's body is found in Prison Valley, no one knows why; his estranged wife is drawing a blank and his out-of-state girlfriend can't explain it; what follows is a murky investigation that unravels a sinister murder plot.

In California, police face off against a knife-wielding bodybuilder; a wanted criminal draws an officer into a brawl in a sex shop; a fleeing suspect drives a car directly at officers to escape.

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.

In Colorado, an officer talks a military vet out of killing himself; in Georgia, a woman gives birth during a car crash, but nobody can find the baby; in Ohio, an attempted break-in leads to a van hijacking and a car chase.

In Oregon, a man vandalizes.

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.

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

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

Homicide investigations unfold through dramatic, real footage in this groundbreaking series; viewers get an up-close perspective of each case using raw, unfiltered footage.

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

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

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.

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.

After John Kowalczyk is shot dead, his friends cannot imagine who would murder the successful entrepreneur, but suspects emerge as police begin to look at Kowalczyk's inner circle.

In Roswell, Ga., millionaire Lance Herndon is living the American dream, then he is found brutally murdered, and investigators must untangle a twisted web behind the gates of the town's upscale communities.