Angela Wood, a master in the art of pick-pocketing, has just finished for the day – $687 – not bad for less than 15 minutes of work. As she celebrates her profitable day with a cocktail, one of the patrons in the lounge she’s in catches her attention by being rude to an old man. Angela decides to teach him a lesson, and steals the man’s expensive-looking bag. Inside is nothing of any value, just a black, leather-bound book. Curiosity takes over and in the comfort of her apartment, Angela quickly leafs through the pages. That is when the worst nightmare of her life begins.

Nothing will ever be the same again.... In the heart of Philadelphia's badlands, homicide detectives Byrne and Balzano are called out to a particularly chilling crime scene. Once the pillar of the neighbourhood, an abandoned church has become a killing room. At first it looks like a random act of violence. But then a second body is found, and a third. Each crime scene more disturbing than the last, each murder more brutal.

It is fall in Philadelphia and the mutilated body of a man is found in one of the poorest neighbourhoods of the city. The victim has been viciously tortured to death. It's the work of a sadistic mind in free fall.When homicide detectives Kevin Byrne and Jessica Balzano investigate, they soon realise that their crime scene is linked to the past. Eight years ago, another body was found in the same place, in the same position, killed in the same manner.

They met for the first time in college. Two of the brightest minds ever to graduate from the prestigious Stanford University. They met again in Quantico, Virginia. Robert Hunter has become the head of the LAPD’s Ultra Violent Crimes Unit. Lucien Folter has become the most prolific and dangerous serial killer in FBI history. The FBI caught Lucien. He's been in prison for years. But Lucien has just escaped. And he’s angry. He's going to make the person who put him away suffer. That person...is Robert Hunter.

The Farren family has been a plague upon Philadelphia's most dangerous neighbourhood, the Devil's Pocket, for generations. There, row after row of tumbledown houses hide dark secrets - none darker than Billy, the youngest Farren. Afflicted by a syndrome that means he can't recognise faces, Billy must use photographs to identify his family - and his victims. And when your life has bled away, he takes a final, gruesome picture for his wall.

When New York psychologist Will Hardy's wife is killed, he and his teenage daughter Bernadette move into Godwin Hall, a dusty, shut-up mansion in the small town of Abbeville, Ohio. Meanwhile, Abbeville Chief of Police Ivy Holgrave is investigating the death of a local girl, convinced this may only be the latest in a long line of murders dating back decades - including her own long-missing sister. But what place does Will's new home have in the story of the missing girls? And what links the killings to the diary of a young woman written over a century earlier?

After solving an all-too-personal case that almost cost her everything, Kate Marshall is struggling. And when she discovers two disembowelled bodies floating in a local reservoir, things go from bad to worse. But Kate is given a chance to get her life back on track when she is asked to solve a decades-old mystery. The Shadow Sands reservoir was plagued by gruesome deaths for years, and now the murders have started again. Kate and her assistant Tristan are dragged into a shady world of family secrets, deadly legends and grisly murders. 

When Ella Tate stumbles into Black Rock Falls, her exhausted and bloodied body is a terrifying sight, but not as frightening as the story she has to tell. Ambushed on their way into town when they stopped to help a man by the side of the road, Ella and her friend Sky ran when he pulled a knife on them. But only one of them got away.

When a faceless body is found floating in the river on a summer's morning, Detective Kay Hunter and her team are tasked with finding out the man's identity and where he came from. The investigation takes a sinister turn when an abandoned boat is found, covered in blood stains and containing a child's belongings.

'Thirty-seven years in the force, and if I was allowed to choose just one thing to erase from my mind, what's inside that room would be it.' That's what a LAPD Lieutenant tells Detectives Hunter and Garcia of the Ultra Violent Crimes Unit as they arrive at one of the most shocking crime scenes they have ever attended. In a completely unexpected turn of events, the detectives find themselves joining forces with the FBI to track down a serial killer whose hunting ground sees no borders, a psychopath who loves what he does.

It is 1999, and someone is slaughtering young black women in Burdon County, Arkansas. But no one wants to admit it, not in the Dirty South. In an Arkansas jail cell sits a former NYPD detective, stricken by grief. He is mourning the death of his wife and child, and searching in vain for their killer. He cares only for his own lost family. But that is about to change.... Witness the becoming of Charlie Parker. 

Eighteen months have passed, but the scars the Ragdoll murders left behind are reopened on a daily basis, the legacy of the infamous investigation infecting all aspects of daily life. Despite the media's best efforts, copycat murders all over the planet have proven to be nothing more than violent mutilations by the unimaginative and deranged - until a Wall Street banker is strung up impossibly across the Brooklyn Bridge, the word BAIT carved deep into his chest.

It’s hiking season in Black Rock Falls, and the small town in Montana is flooded with visitors. But when a hiker finds a human skull on a deserted trail in the woods that surround the town, Detective Jenna Alton is called in to investigate. With no missing persons reported, Jenna has no leads. Then her team makes a shocking discovery - the body of another hiker, a young man, tied to a tree and riddled with bullets. Could the two murders be linked? As more bodies are found, Jenna and her deputy David Kane know that they must venture deep into the forest to find and face the killer.

Fifteen-year-old Lindy Rosen has been having nightmares for weeks, waking in a panic, screaming that there’s a man in her room watching her sleep. Her parents assumed it was her overactive imagination, but when one morning they find Lindy missing from her bedroom, they’re not so sure. Detective Jenna Alton is called in to investigate. Within hours of the schoolgirl going missing, the kidnapper reaches out to Jenna with a video of Lindy bound and tied to a chair, crying to be set free. And a simple message - you’ve got 24 hours to find her or I kill her. 

Veteran reporter Jack McEvoy investigates - against the warnings of the police and his own editor - and makes a shocking discovery that connects the crime to other mysterious deaths across the country. But his inquiry hits a snag when he himself becomes a suspect. As he races to clear his name, McEvoy's findings point to a serial killer working under the radar of law enforcement for years, and using personal data shared by the victims themselves to select and hunt his targets.