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

Rashad Jamal rises online as a self-proclaimed prophet, creating a cult that mixes cosmic teachings with conspiracy. His University of Cosmic Intelligence spreads fast, but when some of his followers vanish, fear grows that devotion has turned deadly.

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

A deadly fire in a small Illinois town raises questions whether it was a tragic accident or murder; the ensuing investigation uncovers a web of lies and deceit that results in one woman and her unborn child's life coming to a violent end.

Detective Garry McFadden finds it hard to separate out his personal feelings after a friend is killed; his investigation hits a dead end, then DNA test results give him the answers he needs, and the answers, like the crime itself, hit close to home.

Detective Garry McFadden is assigned to conduct what he thinks will be a routine investigation of a man injured in a hit-and-run automobile accident, then the victim dies, and McFadden discovers it was no accident.

When Pamela Edwards is found shot to death, Lt. Joe Kenda must shield her young daughters from the crime scene; soon police close in on Edwards' killer, leading to a white-knuckle car and foot chase across Colorado Springs, Colo.

In his first year on the force, rookie patrol officer Joe Kenda quickly learns the ropes, but when he tries to stop a brawling mob on his own, he finds himself in the line of fire.

When 13-year-old PJ Grant is found dead from a single gunshot wound to the head, Lt. Joe Kenda assumes it's a suicide, then the physical evidence doesn't add up, opening the door to a world of possibilities, from hatred to human sacrifice.

Police are perplexed to learn Johnny Crawford may have been shot dead over a musical instrument, but Lt. Joe Kenda digs deeper, and it soon becomes clear the young man wasn't killed for his own sins, but for someone else's.

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

In May 2013, 36-year-old Army veteran Maribel Ramos disappears from her Orange, Calif. apartment without a trace; suspecting foul play, investigators devise a unique surveillance strategy to track her down and uncover some disturbing evidence.

In Calgary, Alberta, Ryan Lane receives a late-night phone call and goes out to meet a mystery caller and is never heard from again; Calgary Police Service turn to surveillance video to locate Ryan and find evidence of a shocking betrayal.

Playing a cat-and-mouse game, police hunt for the heartless killer of a student.

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

A shoplifter fires at a police officer and takes him down in Virginia; in New Mexico, deputies pursue armed robbers.

In Vermont, a dad wielding an excavator attacks officers to stop them from arresting his son; in Wisconsin, a police pastor on a ride-along gets caught up in a high-speed chase; in an Indiana motel, a wanted man opens fire on police.

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

In N.M., a carjacker shoots an officer before going on the run, leading officers into a confrontation; in Okla., police respond to a domestic violence call to find an empty house.

Oceanside police pursue a violent suspect following a domestic shooting; officers also intercept a reckless driver headed toward 10k runners; they rescue residents from a building fire.

A suspect sets fire to his home, and officers battle deadly floods.

In Maryland, a high-speed chase erupts when a serial dangerous driver strikes again, putting one officer's life in grave danger. In Georgia, police hunt a bank robber, and in Wisconsin, a gunfight breaks out when a lone officer confronts an armed man.

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

When 37-year-old Merrilee Cox-Lafferty disappears in Utah, investigators turn to CCTV to track her down; when her car turns up 300 miles away in Idaho, new persons of interest enter the frame, and Merrilee's disappearance is something more sinister.

In Maryland, a high-speed chase erupts when a serial dangerous driver strikes again, putting one officer's life in grave danger. In Georgia, police hunt a bank robber, and in Wisconsin, a gunfight breaks out when a lone officer confronts an armed man.

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

When 37-year-old Merrilee Cox-Lafferty disappears in Utah, investigators turn to CCTV to track her down; when her car turns up 300 miles away in Idaho, new persons of interest enter the frame, and Merrilee's disappearance is something more sinister.

A suspect sets fire to his home, and officers battle deadly floods.

When a woman is found dead in front of her boyfriend's home in Michigan, all evidence seems to point to the boyfriend, but detectives uncover more suspects.

Two middle class moms both tried to kill their husbands; jail calls between the two reveal their thoughts on love, men, and what landed them in prison.

Police retrace the final steps of single mother Mary Stetson after her torso washes up on the shore of New Hampshire's Piscataquog River.

Former beauty queen Jackie Johns' body is found floating in Missouri's Lake Springfield, and as officers pore over Johns' list of admirers, they soon discover the fine line between love and hate.

Jody Lynn Wolfe's body washes up on the banks of Dry Creek Canal in Fresno, Calif., and detectives learn more about the young teenager's life during the course of their investigation and realize her murder hits close to home.

Forty-two-year-old Miami mother Raquel Calderin vanishes without a trace on her way home from work in 2012; the investigation into disappearance leads detectives deep into a disturbing family picture, and the truth will haunt them for years to come.

Atlanta preschool teacher Julie Love goes missing just a week after getting engaged to boyfriend Mark; detectives find numerous suspects in the teacher's disappearance, but the truth turns out to be far worse than they could have imagined.

Pro football player Sean Taylor is shot dead by an intruder in his Miami home.

After 39-year-old Dawn Viens goes missing, her chef husband, David, reports she ran away to escape her problems; the investigation leads detectives to an unexpected killer who disposed of Viens' body in an unimaginable way.

Three hostages, two shoot-outs and one murder take place in a Bakersfield, Calif., cabin community; Benjamin Peter Ashley, an unpredictable and violent outdoorsman, leads investigators down his path of devastation, resulting in an 18-day manhunt.

Tragedy strikes a mountain community when a beloved resident, 71-year-old Jack Irwin, disappears without a trace; strange crimes and a compelling wiretap operation plague the old cabin where Jack used to live.

When a cosmetology student goes missing from Dubuque, Iowa, detectives question if her disappearance connects to the murder of a woman found nearby; suspicion surrounds a remote cabin on Stumpf Island.

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

When a young mother plummets into depression, she turns to the internet for comfort, discovering a virtual world of fetishes, fantasies and dark intentions.

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

When a 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.

Differences over how to enjoy life in a rural neighborhood quickly escalate into a feud that comes to a bloody end on the road where it began.

Online astrologer, healer, and witch Danielle is a rising mystic influencer. When critics emerge and a man falls for her charm, their magic takes a darker turn, with curses flying and those closest to her caught in the firing line.

When the torso of a murdered French Quarter dancer washes up on a Mississippi beach, a community is driven to panic. To catch her killer, detectives must dive into the dark side of New Orleans, uncovering a world of sex, cults, and ritual sacrifice.

Jill Ann Spaulding dreams of becoming a Playboy model; however, when she arrives at the mansion, she discovers that fantasy and reality are vastly different; shunned by Hef, Jill writes a tell-all book.

Online astrologer, healer, and witch Danielle is a rising mystic influencer. When critics emerge and a man falls for her charm, their magic takes a darker turn, with curses flying and those closest to her caught in the firing line.

When the torso of a murdered French Quarter dancer washes up on a Mississippi beach, a community is driven to panic. To catch her killer, detectives must dive into the dark side of New Orleans, uncovering a world of sex, cults, and ritual sacrifice.

Jill Ann Spaulding dreams of becoming a Playboy model; however, when she arrives at the mansion, she discovers that fantasy and reality are vastly different; shunned by Hef, Jill writes a tell-all book.

Differences over how to enjoy life in a rural neighborhood quickly escalate into a feud that comes to a bloody end on the road where it began.

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

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

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

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.

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.

No one hears from Lisa Stukey for weeks, and her decomposing body is found inside her Idaho Falls, Idaho, home; police realize Stukey has been beaten to death and set out to catch the culprit who has ties to the victim.

In Webster Plantation, Maine, Mike and Valerie Miller are found shot dead in their own home, and authorities must consider a list of suspects that includes their own family members.

Etta Jean Westbrook is a longtime resident of a quiet suburb in Bryan, Texas; when she is found murdered inside her home, detectives question her loved ones and canvass the neighborhood in order to catch the killer.

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.

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

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.

Gabriel Montanez is found shot in a liquor store parking lot in Kalamazoo, Mich.; two men in hooded sweatshirts are seen fleeing from the scene.

The burning body of trumpet player Scott Sessions lies smoldering along a mountainside road; an investigation uncovers three potential suspects, plus another dead body, but calls from an inmate at the Weld County Jail reveal the true killer.

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

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

When a former crime reporter is found murdered inside his home, investigators eye his spouse and his neighbors, until intercepted jailhouse calls reveal the true killer.

A murder victim's lost dog becomes the key clue in solving her murder.

When investigators find a series of homeless men bludgeoned to death at the same intersection, Las Vegas fears who could be next. With no leads and mounting pressure, Undersheriff Andrew Walsh proposes an ingenious idea to lure in a serial killer.

When kidnappers snatch the heir to a multi-million-dollar empire for ransom, the FBI races to get him back. An innocuous piece of surveillance footage reveals a far more sinister plot orchestrated by someone inside the family business.

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.

When investigators find a series of homeless men bludgeoned to death at the same intersection, Las Vegas fears who could be next. With no leads and mounting pressure, Undersheriff Andrew Walsh proposes an ingenious idea to lure in a serial killer.

When kidnappers snatch the heir to a multi-million-dollar empire for ransom, the FBI races to get him back. An innocuous piece of surveillance footage reveals a far more sinister plot orchestrated by someone inside the family business.

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.

A murder victim's lost dog becomes the key clue in solving her murder.

When a college student, Cayley Mandadi, dies with strange bruises, her family refuses to give up their quest to prove her death was not an accident.

A crime scene investigator is gunned down in broad daylight; surveillance video captures the scene.

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.

YouTuber Randy Stair wants to be the master of his universe, but he struggles to make friends in real life; when the lines begin to blur between his supermarket day job and his online fantasies, he looks for control wherever he can find it.

April shines positivity, growing her TikTok through wholesome family content and manifesting a better future. Things are not always what they seem. After a tragic incident, April's mom gets on TikTok and uncovers secrets that shock everyone watching.

Hashim's small-town fame inspires a local soccer team 'Hashim United.' One day a friend's favor pulls him into a world he cannot escape.

Online astrologer, healer, and witch Danielle is a rising mystic influencer. When critics emerge and a man falls for her charm, their magic takes a darker turn, with curses flying and those closest to her caught in the firing line.

An Army veteran delivers a parcel to his neighbor, but instead of receiving gratitude, he ignites a war between the two military men that spirals out of control, until the feud finally ends in a hail of bullets.

A lifelong resident of his neighborhood despairs when he sees it descend into vice and criminality; vowing to restore it to an oasis of clean living, he turns his fiery wrath on all those he deems responsible with horrifically tragic results.

A gunman kills a University of Kentucky football player at his birthday party; despite a house full of witnesses, no one saw the shooter; as police investigate, suspicion closes in on his closest friends who were there that night.

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

A killer stabs UCLA student Ron Baker to death in a train tunnel known for its connection to the Manson murders; rumors begin to spread, until another missing friend redirects suspicion to Baker's inner circle.

When a middle schooler vanishes without a trace, suspicion quickly falls on the new circle of older friends she's been spending time with; as family and friends dig deeper, secrets unravel, and the line between loyalty and betrayal starts to blur.

LAPD investigators are on the hunt for a criminal stealing expensive yachts, but what they find instead is a mild-mannered man among their own ranks.

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.

When 21-year-old Melody Lopez vanishes during a cross-country trip with her boyfriend, her father traces her last known location to a remote Ontario cabin. What police find inside reveals a chilling truth-they may not be alone.

In Dublin, a kindergarten teacher goes missing, and her family assumes depression over her mother's death has driven her to suicide, never suspecting the real reason involves bondage and sadomasochism.

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.

When 21-year-old Melody Lopez vanishes during a cross-country trip with her boyfriend, her father traces her last known location to a remote Ontario cabin. What police find inside reveals a chilling truth-they may not be alone.

In Dublin, a kindergarten teacher goes missing, and her family assumes depression over her mother's death has driven her to suicide, never suspecting the real reason involves bondage and sadomasochism.

LAPD investigators are on the hunt for a criminal stealing expensive yachts, but what they find instead is a mild-mannered man among their own ranks.

Budding New York fashion designer Jenae Aragosa falls hard for bartender Trevor Frederick; a dark side of her new man comes to light, and she realizes she'll be lucky if she makes it out of the relationship alive.

Twenty-two-year-old Adriane Fields can't shake the feeling she's going to fall victim to a serial killer who is on the loose in Arlington, Texas; crippled by fear, Fields moves across town, only to come face-to-face with her worst nightmare.

In California, a series of murders bear eerie similarities, but police have trouble connecting them until unique ballistics, mysterious surveillance and a bloody cell phone lead them to three criminals on a deadly revenge spree.

In Bellevue, Wash., a twisted murderer preys on young women leaving their bodies in sadistic poses; as police work to draw crucial connections, an unconventional clue surfaces and leads them to an unlikely killer hiding in plain sight.

In Alexandria, Va., a sheriff's wife answers the door to a blaze of gunfire, causing the community to buzz with theories; then, more citizens are shot at their front doors, leaving everyone wondering who could be next.

A monster hunts the streets of Baton Rouge, La., raping and murdering three women; when one brave woman survives a vicious attack, evidence leads police to the hunter.

Dr. Katherine Ramsland interviews Elmer Wayne Henley, the sole survivor of the 1973 Houston Mass Murders, to unravel his chilling journey from manipulated teen to convicted killer - and the terrifying truth behind the line between victim and predator.

Dr. Katherine Ramsland interviews Elmer Wayne Henley, the sole survivor of the 1973 Houston Mass Murders, to unravel his chilling journey from manipulated teen to convicted killer - and the terrifying truth behind the line between victim and predator.

After Cynthia Roth drowns in the middle of a crowded lake, investigators uncover a decades-long trail of terror; detectives must take extraordinary measures to catch the killer.

In 2015, Detective Scott Sanderson finds himself investigating one of the strangest cases of his career, involving a missing woman and her newborn; before long, he uncovers a diabolical scheme that will destroy the lives of everyone it touches.

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

Gina Coccia comes home from work to discover the bodies of her girlfriend, Lynn, and Lynn's nephew, Ronnie, shot and stabbed on the kitchen floor; the investigation leads police to a terrifying act of betrayal.

In 1992, when Jenn Drury learns about her father's brutal murder, her first thought is that the cult has something to do with it.

A mother, desperate to find her daughter, makes a deal with the devil.

A beloved father vanishes.

When five people vanish in 1993, cops have zero leads; seven years later, someone connected to the case starts to talk.

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

Rashad Jamal rises online as a self-proclaimed prophet, creating a cult that mixes cosmic teachings with conspiracy. His University of Cosmic Intelligence spreads fast, but when some of his followers vanish, fear grows that devotion has turned deadly.

A college student disappears, and her family launches a desperate investigation to find her; what they discover changes their lives forever.

Rashad Jamal rises online as a self-proclaimed prophet, creating a cult that mixes cosmic teachings with conspiracy. His University of Cosmic Intelligence spreads fast, but when some of his followers vanish, fear grows that devotion has turned deadly.

A college student disappears, and her family launches a desperate investigation to find her; what they discover changes their lives forever.

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

After a young mother is murdered inside her home, an early arrest and a surprising confession point to a dark conspiracy, leading investigators to someone many townspeople thought they knew.

After a paramedic is found dead and covered in paint in the basement of her Massachusetts home, investigators work tirelessly for 18 months to find the person responsible.

After pulling over a reckless driver, a police officer unlocks the key to a series of murders; investigators from various jurisdictions work in tandem to track a sadistic killer with a penchant for torture, robbery and bloodlust.

In 2012, a missing persons case in North Dakota grabs the attention of Homeland Security; investigators unravel a scheme involving stolen hydraulic fracturing profits as well as a ruthless con man and his murderous partner.

When a detective follows up on a series of home invasions as a courtesy to a friend, his investigation brings him face-to-face with a sociopath who is guilty of far more than breaking and entering.

A gun store robbery in Maryland piques the interest of the ATF, igniting an investigation into violence, arson and murder; as detectives zero in on the suspect, they find themselves face to face with an unlikely killer.

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.

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

In 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.

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.

An Appalachian couple is delighted when their neighbors return home after disappearing for 10 years, but they've changed for the worse, unleashing a campaign of endless intimidation and harassment that ultimately ends in a bloodbath.

A disabled fireman polices his neighbors and punishes violations ranging from loud music to off-leash dogs; things boil over at a birthday party where shots are fired and blood runs in the street.

A man returns to his hometown after years away; he receives a warm welcome from the residents until the noise from a new neighbor's puppies turns him into a vengeful menace who goes to war with the entire community.

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.

The mountain road between them fails to keep two long-time neighbors from tormenting each other; seemingly small events bring their decadeslong hostility to a bloody boil, and property lines become battle lines in a fight to the death.

Once-friendly neighbors on a mountain road become sworn enemies after one family calls police about a theft -- violating the unspoken tradition of leaving authorities out of disputes; years of conflict finally culminate with shots fired.

A Detroit man wishes his neighbor lived on the opposite end of 8 Mile Road.

When a woman disappears in Florida, her friends uncover a hidden life filled with new relationships and secrets. As investigators follow the trail, suspicion shifts toward someone in her inner circle who may know more than they admit.

Insight into tragic stories ripped straight from the headlines, exposing the dark side of people pursuing beauty and fame.

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.

When a woman disappears in Florida, her friends uncover a hidden life filled with new relationships and secrets. As investigators follow the trail, suspicion shifts toward someone in her inner circle who may know more than they admit.

Insight into tragic stories ripped straight from the headlines, exposing the dark side of people pursuing beauty and fame.

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 Detroit man wishes his neighbor lived on the opposite end of 8 Mile Road.

Law enforcement student Amanda Sigers falls in love and marries med student Sayantan Sy Ghose; when Amanda adopts her sister's baby, she discovers that Sy has a dark and dangerous side, and she takes on the criminal case of her life.

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.

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

In Libertyville, Ill., a wealthy couple is shot dead while in bed; shocked townspeople ask whether they fell victim to a robbery or to dark secrets harbored by a family member.

In Wylie, Texas, young teacher Betty Gore is hacked to death on Friday the 13th, causing investigators to wonder whether a copycat killer is trying to create his own real-life "slasher" film.

A senseless murder rocks an African-American neighborhood in the 1970s Detroit; police arrest suspects who are ultimately convicted of murder, but 47 years later, the truth finally emerges to right history's wrongs.

So-Cal surfer and tech entrepreneur Chris Smith dreams of making a tidy sum of money and surfing off into the sunset; it seems as though his dreams have come true, but all is not as it appears.

On June 6, 1992, Suzie Streeter and Stacy McCall attend parties celebrating their high school graduation; by morning, the teenagers have gone missing, along with Suzie's mother, Sherrill Levitt; the case leads police on a nationwide search.

California beauty Pegye meets volleyball player Eric in Newport Beach, Calif.; with good looks and success, the couple appears to have it all, but hedonism comes at a price, and their dream life quickly becomes a waking nightmare.

While mourning the death of his wife, Julian falls hard for his much-younger co-worker, Teresa; for a time, Teresa's spunk lifts Julian's spirits until a sordid affair plunges him into an abyss.

Janice thinks Brett is an old-fashioned country boy who needs a woman's touch, while Brett thinks Janice is the ideal woman to turn his house into a home; as family tragedies mount, their dream of a perfect life together soon goes up in flames.

A minister's son, Luther, falls hard for Anita, the daughter of a pastor; then, failure delivers a crushing blow to their relationship, turning their heavenly life into hell on Earth.

Three women who are devoid of a moral compass believe they can outsmart everyone.

Barbara Rogers and Steven Mineo are members of an online cult; fortune-teller Leonarda Cianciulli seeks to keep her son safe through human sacrifice; Geraldine Parrish persuades people to make her the beneficiary of their life insurance policies.

Killing comes easily to those with hearts of ice.

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

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

A health and wellness group based out of Minnesota promises meditation, healing, and spirits from another dimension; however, ex-members say it's a manipulative cult fueled by control, unpaid labor, and unquestioning devotion to its leader.

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

A health and wellness group based out of Minnesota promises meditation, healing, and spirits from another dimension; however, ex-members say it's a manipulative cult fueled by control, unpaid labor, and unquestioning devotion to its leader.

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

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

When 14-year-old Gloria Pointer is found raped and murdered in an alleyway, it is the start of a 30-year quest for her mother who will not give up until she finds justice for her daughter.

When the body of high school student Debbie Gama is discovered in a creek wrapped in wire, the ensuing investigation reveals a secret world of twisted sex, drugs, sadomasochism and bondage.

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 mother is brutally slain in her home, and police collect bizarre evidence they hope will lead to a murderer; a second body turns up, and this Louisiana community fears a serial killer is on the loose.

The community of Bowling Green, Ky., is devastated when a student is assaulted and burned in her college dorm room; after the victim succumbs to her injuries without naming her attacker, police find two suspects who have very different stories.

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.

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.

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

A woman suspects her mother of a double murder; years later, courtroom drama and new testimony reignite the case; featuring extensive testimony from defendant Dana Chandler, along with new and archival interviews.

In 2009, Noura Jackson is convicted of stabbing her mother, Jennifer, to death, but a twist in the case ultimately sets her free.

After the murder of Johnny Soekhies in Alabama, authorities turn to CCTV to hunt his killer; surveillance footage reveals a vehicle driving Johnny to the place of his eventual murder and captures a glimpse of a sinister figure lurking in the shadows.

When a gunman shoots Reggie Ward at a gas station in Cedar Rapids, Iowa, witnesses and the victim's girlfriend, are unable to identify the shooter; investigators follow a trail of surveillance footage and GPS data to find an unexpected suspect.

When 37-year-old Merrilee Cox-Lafferty disappears in Utah, investigators turn to CCTV to track her down; when her car turns up 300 miles away in Idaho, new persons of interest enter the frame, and Merrilee's disappearance is something more sinister.

When a man disappears in Hagerstown, Md., the only clue to his whereabouts is the white BMW he abandons at an apartment complex; investigators turn to CCTV footage to piece together his final movements and unravel a deadly plot.

When 30-year-old, mother-of-two, Mandi Gordon disappears, investigators turn to CCTV for clues to help them find her; they uncover a complex web of lies and a betrayal that lead to a botched cover-up, and a grisly discovery on a remote ranch.

When 56-year-old Andy McGuffee turns up murdered in his burnt-out home, the Oklahoma State Bureau of Investigation looks to surveillance footage to zero in on their suspects. It reveals the shocking truth of what happened to Andy.

Officers chase a suspect, attend a car fire, and detain a homicide suspect.

Police fight to stop a stolen truck with a hostage inside, and a domestic call turns deadly when the suspect shoots at officers at point-blank range.

A daughter frantically calls 911 after gunmen tie her up and shoot her parents at home; a burglar brings shocking new information to a man's supposed natural death.

After the murder of Johnny Soekhies in Alabama, authorities turn to CCTV to hunt his killer; surveillance footage reveals a vehicle driving Johnny to the place of his eventual murder and captures a glimpse of a sinister figure lurking in the shadows.

Police fight to stop a stolen truck with a hostage inside, and a domestic call turns deadly when the suspect shoots at officers at point-blank range.

A daughter frantically calls 911 after gunmen tie her up and shoot her parents at home; a burglar brings shocking new information to a man's supposed natural death.

After the murder of Johnny Soekhies in Alabama, authorities turn to CCTV to hunt his killer; surveillance footage reveals a vehicle driving Johnny to the place of his eventual murder and captures a glimpse of a sinister figure lurking in the shadows.

Officers chase a suspect, attend a car fire, and detain a homicide suspect.

Police officer Christopher Dorner goes on a shooting rampage in retaliation for his termination from the Los Angeles Police Department.

Considered a runaway at first, teenager Skylar Neese's remains are found six months after a surveillance camera captures her climbing out of her window at night.

In 2001, parishioners arrive at church, unaware they are passing a grisly crime scene in their own parking lot, where Tracey Bagwell has been stabbed 30 times in her car.

A single footprint is the only clue uncovered after a man is found stabbed to death in his home; police suspect the victim's ex-wife after they learn of a bitter divorce and custody battle.

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.

Police sifting through the wreckage of a church fire discover what they believe to be the headless body of the pastor; a missing friend may be the killer, or another victim.

An early-morning home invasion and double murder appear to be drug-related, then investigators speak to the attack's lone survivor and discover a more sinister motive.

Susan Greene, 59, and Dennis Goins, 62, get a new lease on love; after they tie the knot, a gruesome weekend-long crime spree tears their family apart.

A brutal murder is committed in front of the Hattenbrun home, and police must focus on several family members to catch the sadistic killer; before long, they discover a shocking truth that no one thought possible.

After two long-lost brothers connect as young adults, a dark disturbance emerges within the newly blended family unit.

After years of searching for love, Doris thinks she's finally hit the jackpot with an old friend named Mark; something dark starts taking hold of their marriage.

Book smart Avis Banks always puts her career ahead of her love life, until she meets handsome teacher Keyon Pittman; but just when she's on the brink of having it all, a dirty secret tears them apart in the most brutal way possible.

Ramon Sosa is a father of three who runs a successful boxing gym in Texas; he feels like the luckiest man alive until someone marks him for murder.

Gil Dossett and his family live an idyllic existence until an accident changes everything; though it takes years to chart a new course through life, Gil seems to finally land on his feet until he finds himself in a dark place.

Ashley Pittman thinks she hit the lottery marrying Jeffrey Scott; he gives her a cushier life than the one she left behind in small-town Louisiana; behind closed doors, a secret soon turns deadly.

Tabatha Spake grows up in an adoring home, but by the time she's a teenager, she longs for a different kind of love; just when she finally finds happiness, a monster turns her dreams into a nightmare.

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

When a woman disappears in Florida, her friends uncover a hidden life filled with new relationships and secrets. As investigators follow the trail, suspicion shifts toward someone in her inner circle who may know more than they admit.

Bridget Shiel, a 19-year-old escort and rap video dancer, meets a brutal end in 2016 when someone shoots her and leaves her naked in an Atlanta park.

Actress Melonie Haller is poised for stardom after appearing in the television series "Welcome Back, Kotter" and a pictorial in the March 1980 edition of Playboy; eager for her next role, she goes to a party in the Hamptons that takes a violent turn.

When a woman disappears in Florida, her friends uncover a hidden life filled with new relationships and secrets. As investigators follow the trail, suspicion shifts toward someone in her inner circle who may know more than they admit.

Bridget Shiel, a 19-year-old escort and rap video dancer, meets a brutal end in 2016 when someone shoots her and leaves her naked in an Atlanta park.

Actress Melonie Haller is poised for stardom after appearing in the television series "Welcome Back, Kotter" and a pictorial in the March 1980 edition of Playboy; eager for her next role, she goes to a party in the Hamptons that takes a violent turn.

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

In Ohio, Jack and Linda Myers are shot to death in their sleep, and the only eyewitness is their sleepy 4-year-old grandson; now, family members speak about what happened that night and share home movies revealing a monster living in their midst.

Manling Williams returns home to find her young sons murdered and her sword collector husband, Neal, stabbed to death.

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

When police discover Betty Sue Short murdered in her home, they notice disturbing similarities with another recent killing in the community of Kingsport, Tenn.

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.

In August 2000, 17-year-old Jessica Carpenter is found murdered in her Aiken, S.C., home by her mother; local reporters and family members tell the story of a town frozen in terror as police search for a possible serial killer on the loose.

In May 2017, high school teacher Theresa Lockhart is a no-show at her confirmation sponsor's big event; her car is discovered with nothing inside, prompting police to turn the community upside down.

In March 2014, North Carolina High School freshman Danielle Locklear slips out to see a friend but never returns home; as hours turn to days, her family members as well as the townspeople begin to wonder if a killer could be in their midst.

In Alabama, Brucetravius Frazier lies dead in his car from a gunshot wound to his head; a subsequent attempt on a witness's life causes police to realize they're not dealing with the average killer and must work quickly to bring them to justice.

Police rely on an unlikely source of information as they search for the person responsible for shooting 28-year-old D'Angelo White.

In Georgia, Robert Short arrives home to find his wife, son and granddaughter murdered.

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 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.

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

When her fairy-tale marriage crumbles, a young mother questions just what kind of family she married into; a bitter custody battle leads to a vicious cyberstalking campaign with devastating real-life consequences.

When her fairy-tale marriage crumbles, a young mother questions just what kind of family she married into; a bitter custody battle leads to a vicious cyberstalking campaign with devastating real-life consequences.