A murder with no weapon or motive. A detective on edge. A community that wants answers. Impurity is the first in a series of six books featuring Leeds based Detective Inspector Stewart Gardener. One fateful night, DI Stewart Gardener intervenes in a street brawl, and his wife is shot dead. Finding his wife’s murderer is never far from his mind, but with no leads and a hazy recollection of events, it seems hopeless. Soon he is presented with a shocking case. A man is found dead in a grubby apartment, and It is not long before another man meets the same fate.

As Acting DC Scott Cullen works with DC Craig Hunter to track down a witness who didn’t show during a court case, they stumble upon another crime–two homeless women, dying of a suspected heroin overdose. As they investigate, they uncover a far-reaching criminal empire, dealing death and misery to Edinburgh’s underclass. And come across another investigative team who may not be exactly on the same side. As the case brings two cops together and drives a wedge between another pair, can Cullen and Hunter rescue the witness and bring her assailant to justice?

There's a serial killer targeting the streets of Newcastle, seemingly picking his victims at random but subjecting them all to the same torturous end. When the Chief Inspector on the case goes missing, it falls on DCI Ryan to track down the man who is brutally murdering women and goading the police to 'catch me if you can'. As everyone becomes a suspect, Ryan and his team get drawn further and further into the case, but for Ryan the nightmare gets closer to home than he could ever have imagined.

When a girl’s body is found strangled, raped, and horrifically mutilated by a boat’s propeller, deep in the heart of the Norfolk Broads, newly arrived Detective Inspector John Tanner is asked to assist with the investigation. At first, all the evidence points to a man who had a multi-million-pound reason to kill her. But when an alibi is produced from an unexpected source, and another body appears at the base of a slipway, Tanner finds himself turning to local girl Detective Constable Jenny Evans for help.

When a landslip on Pembrokeshire’s stunning coastal path reveals the harrowing remains of two bodies, ex-DCI Evan Warlow’s quiet retirement is shattered.

Meet Detective Inspector Dan Hellier, a man who needs to redeem his career and catch a killer. Soon after DI Hellier returns home to Exeter under a cloud, the body of a talented young singer is found in the woods. When her death reveals links to the boss of a recording studio, a predatory gang and a school music teacher, Hellier knows he has his work cut out. Before more innocent people are put in danger, Hellier will need to untangle the web of lies and work out which of many suspects are guilty of murder.

Meet DCI Cyril Bennett, a ladies' man with a passion for efficiency. His partner, DS David Owen, is naïve and untidy but keen. Together they make a formidable pair.

When two dead infants are found at a teacher training college, Bennett and Owen are given the case. At the same time, a killer is on the loose staging attacks using sulphur mustard. Bennett and Owen must work together to bring to justice a killer with revenge on his mind.

A brutal double murder on a Norfolk beach horrifies the town of Cromer. The way the victims died is chilling and so Norfolk’s Major Investigation Team task DS Ashley Knight to manage the case. It soon becomes clear that the murders were carefully planned and the finger of suspicion points to an organised crime gang, but as the evidence mounts, a far more sinister theory emerges.

DCI Kenny Murrain sees, hears and feels things that others do not. It’s a gift but also a curse. When he wakes to the phantom sound of screaming, he knows a murder has been committed, but not where or why. Then a woman’s body is found in a Stockport hotel room. It’s a murder that seems both frenzied and carefully planned, the scene expertly cleansed of any evidence.

Crimebusting duo DI Jackman and DS Evans are back, solving another crime that will make your skin crawl. Twenty years ago: a farmer and his wife are cut to pieces by a ruthless serial killer. Now: a woman is viciously stabbed to death in the upmarket kitchen of her beautiful house on the edge of the marshes. Then a man called Daniel Kinder walks into Saltern police station and confesses to the murder. But DI Rowan Jackman and DS Marie Evans of the Fenland Constabulary soon discover that there is a lot more to Daniel than meets the eye.

A sinking boat is spotted off the South Coast. Waiting onboard is a grisly discovery. DCI Boyd, recently relocated from London to Hastings, is now with the East Sussex CID, and his first case is that of a local businessman and his new young wife, missing in the English Channel. All that remains of them is a grim scene aboard their half-submerged yacht and a digital trail of clues that could put Boyd and his daughter, Emma, in danger.

When the chief suspect in the notorious Peek-a-boo cop killer case blew himself up, almost taking lead investigator DCI Duncan Bone with him, the psychologically damaged detective thought his days on the force were over. But when another PC is abducted and murdered in the same deranged Peek-a-boo fashion, Bone is persuaded to return to lead the new investigation. But as Bone and his team hunt a copycat killer, and with time running out before yet another cop is slain, Bone’s terrifying past returns to tear open old wounds and push him to very edge of the abyss.

Still grieving from the tragic death of her colleague, DCI Emma Gardner continues to blame herself and is struggling to focus. So, when she is seconded to the wilds of Yorkshire, Emma hopes she’ll be able to get her mind back on the job, doing what she does best - putting killers behind bars. But when she is immediately thrown into another violent murder, Emma has no time to rest. Desperate to get answers and find the killer, Emma needs all the help she can. But her new partner, DI Paul Riddick, has demons and issues of his own.

Criminologist Martin Knight lives a gilded life and is a thorn in the side of the police. But then his wife, Liz, goes missing. There is no good explanation and no sign of Martin.... To make things worse, Liz is the ex-girlfriend of DCI Craig Gillard who is drawn into the investigation. Is it just a missing person or something worse? And what relevance do the events around the shocking Girl F case, so taken up by Knight, have to do with the present? The truth is darker than you could ever have imagined.

Abductions and murder are not what ex-DCI Luke Sackville expected when he left the police after tragedy struck his family. Luke’s return to the workplace was meant to be a soft landing, but when a woman vanishes after being accused of taking bribes, he is assigned a disparate team and tasked with tracking her down. Their search becomes more urgent when her disappearance is linked to the death of a second woman. When a third goes missing, the hunt becomes a race against time.