Professor Theo Cray is trained to see patterns where others see chaos. So when mutilated bodies found deep in the Montana woods leave the cops searching blindly for clues, Theo sees something they missed. Something unnatural. Something only he can stop. As a computational biologist, Theo is more familiar with digital code and microbes than the dark arts of forensic sleuthing. But a field trip to Montana suddenly lands him in the middle of an investigation into the bloody killing of one of his former students.

FBI agent Jessica Blackwood believes she's left her complicated life as a gifted magician behind her - until a killer with seemingly supernatural powers puts her talents to the ultimate test. A hacker who identifies himself only as "Warlock" brings down the FBI's website and posts a code in its place that leads to a Michigan cemetery, where a dead girl is discovered rising from the ground - as if she tried to crawl out of her own grave.

Recently returned from his last case in Ireland, elite forensic psychologist and criminal profiler Dr Alexander Gregory receives a call from the French police that he can’t ignore. It’s Paris fashion week, and some of the world’s most beautiful women are turning up dead, their faces slashed in a series of frenzied attacks while the world’s press looks on. Amidst the carnage, one victim has survived, but she’s too traumatised to talk. Without her help, the police are powerless to stop the killer before he strikes again.

When a joint FBI-Seattle Police investigation of an international child pornography ring gets too close to certain powerful people, sex-crimes detective Livia Lone becomes the target of a hit that barely goes awry - a hit that had been offered to John Rain, a retired specialist in “natural causes.” Suspecting the FBI itself was behind the attack, Livia reaches out to former Marine sniper Dox. Together, they assemble an ad hoc group to identify and neutralize the threat. There’s Rain. Rain’s estranged lover, Mossad agent and honeytrap specialist Delilah. 

In the darkness of a cold December morning, Detective Kim Stone steps through the doors of Halesowen Police Station. She’s about to meet her team for the first time. When the body of a young man is found beheaded and staked to the ground in a secluded area of the Clent Hills, Kim and her new squad rush to the crime scene. This audio edition includes exclusive bonus content.

When 11-year-old Evan vanishes without trace, his parents are plunged into their worst nightmare. Especially as the police, under massive pressure, have no answers. But months later Evan is unexpectedly found, frightened and refusing to speak. His loving family realise life will never be the same again. DI Naylor knows that unless those who took Evan are caught, other children are in danger. And with Evan silent, she must race against time to find those responsible....

After the devastating loss of her husband in Iraq, Morgan Dane returns to Scarlet Falls, seeking the comfort of her hometown. Now, surrounded by family, she's finally found peace and a promising career opportunity - until her babysitter is killed and her neighbor asks her to defend his son, Nick, who stands accused of the murder.

Near an isolated mansion lies a beautiful garden. In this garden grow luscious flowers, shady trees...and a collection of precious "butterflies" - young women who have been kidnapped and intricately tattooed to resemble their namesakes. Overseeing it all is the Gardener, a brutal, twisted man obsessed with capturing and preserving his lovely specimens.

A serial killer is burning people alive in the Lake District's prehistoric stone circles. He leaves no clues, and the police are helpless. When his name is found carved into the charred remains of the third victim, disgraced detective Washington Poe is brought back from suspension and into an investigation he wants no part of. He is reluctantly partnered with brilliant but socially awkward civilian analyst Tilly Bradshaw, and the mismatched pair uncover a trail that only he is meant to see. The elusive killer has a plan, and for some reason Poe is part of it.

With her ex now in prison, Gwen has finally found refuge in a new home on remote Stillhouse Lake. Though still the target of stalkers and Internet trolls who think she had something to do with her husband's crimes, Gwen dares to think her kids can finally grow up in peace. But just when she's starting to feel at ease in her new identity, a body turns up in the lake - and threatening letters start arriving from an all-too-familiar address.

Quitting her job as a high school science teacher to join the Seattle Police Department was an easy decision for Tracy Crosswhite. Years earlier, what should have been one of the happiest days of her life instead became her worst nightmare when her younger sister, Sarah, disappeared. After the murder trial, while her family disintegrated, Tracy turned her heartbreak and her lingering questions into a passion for justice.

After surviving a vicious knife attack, which left her husband dead, DI Rosalind Kray returns to work and is handed a serial killer investigation. This killer is different; he doesn’t just want to take the lives of his victims, he wants to obliterate their very existence. The murders appear random, but the killer selects his quarry with meticulous care. While fighting her superiors, Kray must conquer her own demons, which are tearing her apart. She has the ability to think like a killer, and her skills lead to a series of horrifying revelations that turn the case on its head.

Holly Wakefield works for the NHS as a criminal psychologist specialising in serial killers. She has particular reason to be good at her job - but she keeps that to herself. When DI Bishop from the Met Police approaches Holly to investigate a recent killing, Holly is horrified by the dismembered bodies and the way they have been theatrically positioned. More shocking still is when the pathologist reveals this is not the first time she has seen these mutilations. It means a serial killer is out there, and they're going to kill again - soon. 

December 1943. In the years before the rise of Hitler, the Gerber family’s summer cottage was filled with laughter. Now, as deep drifts of snow blanket the Black Forest, German dissenter Franka Gerber is alone and hopeless. Fervor and brutality have swept through her homeland, taking away both her father and her brother and leaving her with no reason to live. 

After an elite criminal profiling unit is shut down amid a storm of scandal and mismanagement, only one person emerges unscathed. Forensic psychiatrist Doctor Alexander Gregory has a reputation for being able to step inside the darkest minds to uncover whatever secrets lie hidden there, and soon enough he finds himself drawn into the murky world of murder investigation. In the beautiful hills of County Mayo, Ireland, a killer is on the loose. Panic has a stranglehold on its rural community, and the Garda are running out of time.