NIGHTMARE NEXT DOOR

Ann Branson is found beaten to death in her home. There is little evidence at the scene until her financial records provide the break authorities need.

When four people are found dead at a house in Texas, investigators believe the murders may never be solved, until an eyewitness gets in touch.

When a teenage girl is murdered, police hope for a straightforward case. But it goes on for months, until a piece of gum points to an unlikely suspect.

When Karin is found strangled to death in her flat, suspicion falls on her estranged husband. But it will take 26 years to solve this shocking case.

After a college party in New Mexico, 22-year-old grad student Katie is found raped, strangled and burned to death in a nearby landfill. Who killed her?

A community is in shock when a young mum is found dead in a sleepy Californian town. Two more murders see shock turn to panic - is a serial killer at large?

When grad student Jarrod is shot dead in the resort community of Santa Barbara, detectives are mystified. But was there a dark side to this easy going guy?

Chae is beaten to death at home. Is this attack one in a series of assaults against Asian-American businessmen, or does his assailant lurk closer to home?

When Monica is murdered in the quaint town of Bloomsbury, detectives struggle with the case. Could a chance tip catch a killer, or is it another false lead?

Nikki is beaten to death in front of her two young sons. Does an odd voice on an emergency call recording hold the key to the case, or is it another dead end?

When Dawnia Dacosta meets a terrible end, the detectives and residents of Broward County are shocked and puzzled. Who would want to kill such an angelic young woman?

When David Lunz is gunned down in his Florida home, the community fears the worst. It takes investigators more than two years to track down the killer from David's past.

The residents of Boonville are devastated when the body of eight-year-old Alyssa Owen is found. Then another body turns up six weeks later. Who is at large?

Investigative series documenting the real life stories of people who have suspiciously disappeared from their communities only to be found brutally murdered by someone they knew.

The bloody murder of Beth Grosskopf leaves small town Freedom reeling. Did the killer know about her recent inheritance or was his motive more personal?

When the body of Amy St Laurent is found in a shallow grave, detectives must piece together her last movements before her killer strikes again. But who is he?

When popular local Lonnie is shot dead in his bed, the residents of small town Navasota fall under the spotlight - but should police be looking closer to home?

When Debra Rawls is murdered in her home, police suspect her abusive husband, until a bizarre tip off from a nefarious hoodlum redirects the case. Who killed Debra?

When Edith Meyer goes missing, everyone in small town Goshen is a suspect, until one local admits to a bitter grudge. But is this oddball really a killer?

Twenty five years after a serial killer preyed on college students in Illinois, new technology promises to crack the case, and expose a murderer who never left town.

A small Ohio farming community is shocked when the charred remains of Troy Temar are uncovered in a field. Can a chilling tip-off identify the killer?

The discovery of Zilpha Lowery's body has folks in Marion baffled, and takes police on a journey through the victim's past until a lead helps them catch the killer.

When Tracy Maurer is brutally murdered in a small Midwestern hamlet, detectives are baffled. How will a teenage girl's idle gossip help them crack the case?

In the peaceful town of St. Albans, 32-year-old Stacie is brutally murdered, and her killer leaves a bizarre message at the scene that bamboozles detectives.

A community's worst fears are realised when the body of 25-year-old Holly Notestine is found deep in a logging forest. But who took her life?

The savage murder of single mother Cindy Pavey rattles the tranquil town of Murphysboro. Police investigate a potentially deadly love triangle.

Two young women are executed in a burger joint but there are no witnesses. Could a helpful hooker and some revealing letters be just what detectives ordered?

Popular secretary Julie dies of cyanide poisoning after sipping water from the office cooler. But was she the killer's intended victim?

Eight-year-old Sarah is sexually assaulted and strangled to death while playing in the woods by her house. Did Sarah know her killer and will he strike again?

Sixteen years after Adele's naked body is found decaying in her condo, her case remains unsolved; can new advances in forensics finally identify her strangler?

When real estate mogul Alan is executed in his mansion it looks like a botched burglary. But detectives quickly suspect his bitter ex-wife - is she guilty?

Teenager Crystal is abducted, raped and strangled to death en route to a friend's house. A year later, another young girl is murdered. Is a serial killer at large?

Sixteen-year-old Sherita is sexually assaulted and dumped under a bridge. Will cops be able to identify the DNA found on her body or will her killer escape justice?

When 13-year old paperboy David Reed never returns home, his hometown is devastated. How could one of their most familiar faces vanish into thin air?

Before single mom Lori Leonard settles into her upstate New York home, she vanishes without a trace and detectives don't know if she's dead or alive.

Danielle Davis is found dead in her college apartment, strangled with the cord from her laptop. Police know they'd better be quick to find this co-ed's killer.

Normal life in the quiet city of East Point comes to a screeching halt when six people become random targets of a mysterious gunman. But can he be caught in time?

When Kiplyn never returns home after school, police suspect foul play. Investigators search for clues, but are met with little success. Who could be to blame?

When Kathryn is brutally murdered in her home, the residents of her neighbourhood are stricken with fear. Can a pair of shoeprints lead them to the perpetrator?

When beloved wife and mother Starr Harris is savagely murdered in the woods behind her home, the trees hide more than just the killer's identity.

When Kari goes missing, no one in her upstate New York town can imagine why anyone would harm her. With no body and few clues, cops struggle to solve the mystery.

As Kristin is about to make her artistic debut she suddenly disappears, police soon discover she had a brush with disaster. But who would want to end her life?

Brainy beauty and mom-to-be Kelsey Monahon is found tied and beaten. When police discover her husband was absent during her assault, they become suspicious.

In a small city in Michigan, the murder of Christopher Green sends shivers up the citizens' spines. Detectives follow the few clues they have to a chilling outcome.

When Bob Eidman is found executed in his office in broad daylight, locals are terrified a cold-blooded killer is on the loose. But is there another explanation?

A professional woman vanishes in broad daylight. When her naked body is found dumped in the woods days later, detectives begin a manhunt for her killer.

When 55-year-old Monica Schmeyer is found shot to death in her living room, the peaceful people of Hanover, Pennsylvania are in a state of panic.

The charming town of Macon panics when Law graduate Lauren Giddings is murdered on campus. Detectives uncover multiple suspects with motive and means.

Pasinetta is found dead in her home. As cops dig deeper into the life of the starlet, they find numerous admirers. Could one man's infatuation have turned deadly?

In Traverse City, MI, young Kathey Horn vanishes into the night. As police work tirelessly to find her, they uncover an underworld with nomadic hippies and witches.

When Veronica Bozza's body is found on her living room floor, it sends shockwaves through her community and a bizarre unexpected twist is uncovered.

When Michael Severance goes AWOL the community of San Angelo rallies around his new bride. But is there something more sinister behind his disappearance?

When former homecoming queen, Melinda Snyder, is killed, her home-town is embroiled in a mystery that wouldn't be settled for a long time.

Lance Herndon was living the American dream, until he was brutally murdered. Behind the gates of his upscale community, investigators find a twisted web.

Michael Zammitti Jr. had it all. But when that life is shattered, police must untangle a web of corruption that will rock two New England towns to their core.

In a quiet US suburb, Jimmy McClain lives a good life as a teacher at a local high school. Until a February morning, when police find him assassinated in his home.