The Serial Killer he couldn’t catch is dead… Can DI Rob Marshall save his last victim before she dies too? Met cop DI Rob Marshall is hot on the trail of the serial killer known as the Chameleon, who has abducted, tortured and killed a series of young women in north-west London. As they close in, the Chameleon - who switches identity to get close to his victims - shoots Marshall’s partner and escapes. But when the Chameleon’s body is found two years later, Marshall must return to his home town of Melrose in the Scottish Borders and face the tragedy that’s haunted him for twenty years, which made him leave in the first place. The Chameleon’s final victim is still missing – can Marshall unpick the Chameleon’s latest identity in time to save her from a lonely death? The Turning of our Bones is the first book in the DI Rob Marshall series, starring a haunted detective who masks his trauma with biting humour. Perfect for fans of Ian Rankin, Stuart MacBride, JD Kirk and LJ Ross.

The case that broke Rob Marshall crashes back into his life. Ten years ago, Marshall profiled a serial killer the press had dubbed the Shadow Man, who killed six young athletes at remote sites in cold blood, and he worked with Northumbria Police to catch the perpetrator. But the Shadow Man kept the burial locations of the final three bodies to himself. Tired of the passivity, Marshall quit profiling and joined the police. Now a Detective Inspector in Police Scotland’s Borders Major Investigation Team, Marshall is summoned to HMP Frankland in County Durham, AKA The Monster Mansion. The Shadow Man promises to show them where one body lies, allowing a family to finally grieve. But he will only show Marshall. At a lonely woods on the banks of the Tweed, the Shadow Man leads them to where the body lies. But they find another three, freshly killed. Victims the Shadow Man couldn’t have murdered, with a vastly different MO. Is it a copycat? A collaborator? Or someone else entirely? As Marshall and team scour the Borders and the north of England, desperately trying to identify the victims and track down the killer, it becomes clear someone else has been abducted and will suffer the same brutal fate. Can Marshall unpick the trail in time to save them? Where the Bodies Lie is the second book in the DI Rob Marshall series, starring a haunted detective who masks his trauma with biting humour. Perfect for fans of Ian Rankin, Stuart MacBride, JD Kirk and LJ Ross.

The merciless snow of the Scottish Borders. A case that freezes the blood. Accustomed to the bustle of London, DI Rob Marshall finds himself confronted with the unforgiving Scottish winters he had long left behind. A gruesome discovery off the high road between Stow and Lauder sends shivers down his spine – a man and a woman, both frozen to death with their wrists and ankles bound. Left to suffer by someone with a sinister motive, or simply victims of the treacherous snowstorm? As an expert in tracking serial offenders, Marshall is unprepared for a case with no leads, pushing him to rely on old-fashioned detective work, police experience he never gained as a direct entry. Desperate to find answers, he begins to see connections – but are they real or simply a trick of his trained instincts? Marshall delves into the society of his childhood, coming face-to-face with bitter enemies and unearthing memories he thought he’d escaped when he left the Borders. But as the shadows of his past creep closer, they threaten to turn his world upside down – and prove fatal. In this riveting police thriller, Marshall must confront the demons of his past and race against time to unravel the truth behind a bone-chilling mystery.

In the heart of the Scottish Borders, Gary Hislop is expanding his criminal empire and his lethal grasp is tightening around the area. But as he opens his Kelso hardware store one morning, a sudden attack on him sets off a chain of events that even he couldn't predict. Enter DI Rob Marshall and his team. As Marshall delves into the incident, he finds himself ensnared in a web of deceit, where every alliance is suspect and every door casts a long shadow. The organization protecting Hislop is impenetrable and, within Marshall's own ranks, trust is a rare commodity. Familiar faces may conceal dark secrets and newcomers to the team might be driven by agendas of their own. As the case unfolds, the question becomes not only who attacked Hislop, but who inside Marshall's own team is leaking vital information to the underworld? With time running out, can Marshall rally his team to uncover the truth? Will he unearth the betrayal within and bring the guilty to justice? A Shadow on the Door is a pulse-pounding police procedural that will keep readers on the edge of their seats, unable to turn away from the mystery that lurks behind every corner. In a world where no one can be trusted, one man must fight to reveal the truth. The shadows are deep, and the door is closing. Can you solve the mystery before it's too late? If you love darkly funny crime fiction, binge the DI Rob Marshall series

The chase is on – and time is running out. Holly Fenwick thought she had left her nightmare behind. Twelve years ago, she narrowly escaped the clutches of a brutal serial killer. Now, while she films a documentary in Eyemouth in the Scottish Borders, to recover from her ordeal and rebuild her life, she spots a figure eerily similar to her former captor. She rushes in, only to find no trace of the man but a chaotic crime scene – and a missing woman. Before he was a cop, DI Rob Marshall worked as a criminal profiler on Holly’s case. Now based over the border in Scotland in the new Behavioural Sciences Unit in Gartcosh, Marshall joins the investigation on his old patch, but all he has are questions. Was Holly's return to the crime scene a mere coincidence? Is her story the figment of a traumatised mind? As the investigation unfolds, Holly is forced to confront her deepest fears and the possibility that the killer has marked her as his next target. And Marshall must consider the possibility his absolute truth might not be so certain. If you love darkly funny crime fiction, binge the DI Rob Marshall series Turning of our BonesWhere the Bodies LieA Lonely Place of DyingA Shadow on the DoorWith Soul So Dead (April 2024)

A killer hides deep in the darkness…DI Rob Marshall is stuck in Gartcosh, leading the new Behavioural Sciences Unit – a staff of one and a third – where he’s executing a fruitless hunt, profiling every single murder in Scotland just in case they’re serial cases. But when a young Peebles woman’s body is discovered in Neidpath Tunnel, disused since the sixties, Marshall is called in to consult on a case on his old home turf. Paired up with his replacement, a cop who’s disinterested in the work, Marshall must tread a line between helping and not jumping to conclusions. As the scope of the case wides, can Marshall find a killer who may have led many down his path of darkness? Or is Marshall on his own road to destruction?His Path of Darkness is the sixth book in the DI Rob Marshall series, starring a haunted detective who masks his trauma with biting humour. Perfect for fans of Ian Rankin, Stuart MacBride, JD Kirk and LJ Ross. If you love darkly funny crime fiction, binge the DI Rob Marshall series The Turning of our BonesWhere the Bodies LieA Lonely Place of DyingA Shadow on the DoorWith Soul So DeadHis Path of DarknessFear of Any Kind (March 2025)False Dawn, the second Sgt Rakesh Siyal novel, is out now!

Fear stalks familiar ground... Acting DCI Rob Marshall is back in the Borders with a permanent promotion dangled in front of him – but storm clouds are gathering, with his new boss eyeing cutting Marshall’s Major Investigation Team. When a seventeen-year-old boy is found murdered in Hawick, Marshall finds a community on the edge. As his team struggles to connect the dots, what seems like a straightforward case unravels into something far more sinister – the details echo another investigation and Marshall finds himself following a trail of secrets hidden in plain sight. With his team's future hanging by a thread, Marshall must determine if he's hunting a copycat or just chasing shadows. But the deeper he digs, the more he realises some fears are founded in truth. With his team under threat and pressure mounting, can Marshall separate truth from deadly misdirection? Fear of Any Kind is the seventh book in the DI Rob Marshall series, following a sharp-witted detective haunted by his past. Perfect for fans of Ian Rankin, Stuart MacBride, JD Kirk and LJ Ross.If you love darkly funny crime fiction, binge the DI Rob Marshall series The Turning of our BonesWhere the Bodies LieA Lonely Place of DyingA Shadow on the DoorWith Soul So DeadHis Path of DarknessFalse Dawn (Sgt Rakesh Siyal)Fear of Any Kind (31st March 2025)Our Debts to the Past (30th September 2025)