When the body of a woman is found hanging from a tree in her front garden, rookie Detective Morgan Brookes is first on the scene. But Olivia Potter is past saving. And when her husband and daughters cannot be traced, Morgan knows there is more to this tragedy. And then she finds them. Lying huddled together in the dark basement, each of their faces covered with a small cotton cloth, their bodies cold to the touch. But as Morgan kneels beside the family, she realizes that one of the girls is still breathing.

For decades the Moore Asylum was home to the forgotten children of Brooklyn Bay. But ever since a scandal forced its closure, the abandoned building has cast an imposing shadow. Until now - when an elderly man is found dead, his body strapped to an ancient gurney. Detective Lucy Harwin, still reeling from a previous case that ended in the devastating murder of a mother and her child, finds herself on the trail of a killer ruthlessly fixated on avenging the asylum's wrongs.

When the body of a teenage runaway is found hidden inside someone else’s grave in a small-town cemetery in the Lake District, an urgent call is made to forensic pathologist Beth Adams. Still traumatised by a recent attempt on her own life, one look at the beautiful girl’s broken body is enough to bring Beth out of hiding for the first time since her attack. She’s the only one who can help her trusted friend, Detective Josh Walker, crack the most shocking case of his career.

When Detective Maria Miller walks up creaking stairs into the attic of the old brownstone she senses this isn’t an ordinary crime scene. The brutality of the murder is enough to shock even an experienced detective like Maria. But there’s something else. An unsettling presence seems to lurk in the shadows sending a chill through Maria’s bones, making her desperate to run back down the stairs and never return. The killing is identical to the murder of an actress sixty years before, a crime that tore a family apart and sent shockwaves through New York City.

Running from a devastating relationship that almost cost her everything, Maddy Hart impulsively accepts a job as a live-in caretaker at imposing Lakeview House. She has no memories of having visited the crumbling mansion on the banks of Lake Thirlmere before, but when she arrives, something about the house feels familiar. The more time Maddy spends in the house, the more unsettled she feels. By day, she clears out the dusty rooms, but in the dead of night, it’s hard to explain away the eerie noises or crackly radio she hears hours after she turned it off.

When Detective Madison Harper arrives at a remote summer camp in Shadow Falls, Northern California, her heart breaks for Jenny, the sweet little girl last seen splashing in the lake with her friends before she vanished. Peering into the silent cabins filled with rows of neatly made beds, Madison knows this idyllic place is hiding a terrible secret.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

In the remote forests of Stillwater, Minnesota, you can scream for days and no one will hear you. So when the bodies of two 15-year-old girls are discovered frozen in the snow, Special Agent Nikki Hunt is sure the killer is local: Someone knew where to hide the girls and thought they would never be found. Though Nikki hasn’t been home in 20 years, she knows she must take over the case.

Wanted: A picturesque new town, a fresh start, and a much-needed escape from the constant reminder that the world is still full of bad guys. For FBI agent Olivia Knight, that perfect place is Belle Grove, a charming small town in Northern Virginia, a place hidden by lush greenery and away from the big city. But when Olivia finds a young girl malnourished and disheveled outside her home, she is thrown into a disturbing case. In order to catch the culprit and find the missing children in her new hometown, Olivia must dive deep into the twisted mind of a deranged serial kidnapper.

When secretary Annie Parkes is snatched from the street outside of her workplace, David Kane is tasked with finding her. Strong, highly skilled, and secretive, he’s a loner and an outsider; the only man the military trust to find Annie before her kidnappers make good on their promise to kill her. But as Kane pulls Annie from a derelict building, gunshots ringing through the deserted streets around them, he realizes rescuing her is just the beginning. He needs to keep her close to find out who is behind her capture, and to keep her safe.

When Penny Matthews, a seven-year-old girl with blonde curls and a gap-toothed smile, goes missing in the Appalachian mountains, Detective Ellie Reeves is called straight to the scene. According to Penny’s parents, their daughter vanished after a picnic by the creek. All that’s left behind is a pink friendship bracelet etched with “Penny”.

It’s been five years since Detective Amanda Steele’s life was derailed by the tragic death of her young daughter. The small community of Dumfries, Virginia, may have moved on, but Amanda cannot. When the man who killed Lindsey is found murdered, she can’t keep away from the case.

Blake Wilder is plagued with nightmares from her dark and twisted past. Fourteen years ago, her entire family was taken from her. Her parents murdered and her sister taken. At the age of 22, Blake joined the FBI in hopes of one day discovering the truth behind the mysteries of her own past.

After a series of tragedies turned her world upside down, FBI Agent Spenser Song felt like a woman adrift in a sea of chaos. Her brush with death and the tragic murder of her husband left her questioning everything in her life. And when it became clear that Bureau politics will trump justice, Spenser realized she needed a fresh start.

After a scandal forces DI Kelly Porter out of the Met, she returns home to the Lake District. Crimes in the Cumbrian constabulary tend to be minor, but Kelly begins work on a cold case that shocked the local community - the abduction and brutal murder of a 10-year-old girl.

In one terrible moment, paramedic Sophie Phillips' life is ripped apart - her police officer husband is shot on their doorstep and their ten-month-old son is abducted from his bed. Suspicion surrounds her possibly corrupt husband, but Sophie believes the attack is much more personal. Sophie enlists her husband's partner in the hunt for her son, but will the history they share prove harmful to Sophie's ability to complete her mission?

On a remote Highland mountain, the body of Elaine Buxton is burning. All that will be left to identify the respected lawyer are her teeth and a fragment of clothing. In the concealed back room of a house in Edinburgh, the real Elaine Buxton screams into the darkness…. Detective Inspector Luc Callanach has barely set foot in his new office when Elaine’s missing persons case is escalated to a murder investigation. Having left behind a promising career at Interpol, he’s eager to prove himself to his new team.

When a local girl falls prey to a sadistic serial killer, Nashville homicide lieutenant Taylor Jackson and her lover, FBI profiler Dr. John Baldwin, find themselves in a joint investigation pursuing a vicious murderer. The Southern Strangler is slaughtering his way through the Southeast, leaving a gruesome memento at each crime scene – the prior victim’s severed hand.

A violent rapist is attacking women, leaving them for dead on south London streets. When young policewoman Maeve Kerrigan responds to a domestic disturbance, she's horrified to stumble across the latest victim. But as a new recruit - and a female to boot - she'll have to face down not only her own nerves but rampant sexism from her colleagues if she wants to be taken seriously enough to even assist on the case.

Six months ago, Charlotte almost lost everything. Now, she’s determined to keep her daughter, Elle, safe. So when local girls close to Elle in age and appearance begin to go missing, it’s her worst nightmare. Charlotte’s fears are confirmed when a frantic search becomes a shocking murder investigation. The girls’ bodies have been found - half-buried, and with traces of mud and wildflowers under their fingernails. As Charlotte’s obsession with keeping her daughter close pushes her marriage to the brink, local DI Madeleine Wood embarks on a gruelling search for the killer.

A killer is on the loose, blurring the line between fact and fiction. His prey - the writers of crime novels who have turned psychological profilers into the heroes of the nineties. But this killer is like no other. His bloodlust shatters all the conventional wisdom surrounding the motives and mechanics of how serial killers operate. And for one woman, the desperate hunt to uncover his identity becomes a matter of life and death.

When the naked, battered body of an unidentified teenager is found dumped in an alleyway, postmortem finds evidence of a harrowing series of events. Another teenage death with the same MO pushes DI Hannah Robbins and her team on the Nottingham City division Major Crimes Unit to their limits - and across county borders.

A body is discovered with her throat cut and her daughter believed missing. DCI Foster quickly sees parallels with the disappearance of a teenager three years earlier. With hopes fading, he calls on genealogist Nigel Barnes to piece together the links between the families of the two girls. The trail leads back to 1890, and a young couple fleeing a terrible crime in their past....

As a medical examiner, Samantha Owens knows her job is to make a certain sense of death with crisp methodology and precision instruments. But the day the Tennessee floods took her husband and children, the light vanished from Sam’s life. She has been pulled into a suffocating grief no amount of workaholic ardor can penetrate - until she receives a peculiar call from Washington, D.C. On the other end of the line is an old boyfriend’s mother, asking Sam to do a second autopsy on her son.

William Fawkes, a controversial detective known as The Wolf, has just been reinstated to his post after he was suspended for assaulting a vindicated suspect. Still under psychological evaluation, Fawkes returns to the force eager for a big case. When his former partner and friend, detective Emily Baxter, calls him to a crime scene, he's sure this is it: the body is made of the dismembered parts of six victims, sewn together like a puppet - a corpse that becomes known as "The Ragdoll".

Dear Elizabeth, I've been watching you. I hope to see you...soon. Liz Cafferky is on the up. Rescued from her dark past by the owner of a drop-in centre for older men, Liz soon finds herself as the charity's face - and the unwilling darling of the Dublin media. Amidst her claustrophobic fame, Liz barely notices a letter from a new fan. But then one of the centre's clients is brutally murdered, and Elizabeth receives another, more sinister note. Running from her own ghosts, Liz is too scared to go to the police.

Time's up. You're Next. "All he had to do was name the woman he wanted. It was that easy. They would do all the hard work. "Detective Sergeant Mark 'Heck' Heckenburg is investigating the disappearance of 38 different women. Each one was happy and successful until they vanished without a trace. Desperate to find her missing sister, Lauren Wraxford seeks out Heck's help.

Frieda Klein is a solitary, incisive psychotherapist who spends her sleepless nights walking along the ancient rivers that have been forced underground in modern London. She believes that the world is a messy, uncontrollable place. The abduction of five-year-old Matthew Farraday provokes a national outcry and a desperate police hunt. And when his face is splashed over the newspapers, Frieda cannot ignore the coincidence: one of her patients has been having dreams in which he has a hunger for just such a child.

On the day she returns to active duty with the Serial Crimes Unit, Detective Inspector Anjelica Henley is called to a crime scene. Dismembered body parts from two victims have been found by the river. The modus operandi bears a striking resemblance to Peter Olivier, the notorious Jigsaw Killer, who has spent the past two years behind bars. When he learns that someone is co-opting his grisly signature - the arrangement of victims’ limbs in puzzle-piece shapes - he decides to take matters into his own hands.

Ellery Hathaway knows a thing or two about serial killers, but not through her police training. She's an officer in sleepy Woodbury, Massachusetts, where a bicycle theft still makes the newspapers. No one there knows she was once victim number 17 in the grisly story of serial killer Francis Michael Coben. The only victim who lived. When three people disappear from her town in three years, all around her birthday - the day she was kidnapped so long ago - Ellery fears someone knows her secret. Someone very dangerous.