DI Rob Marshall Scottish Borders Police Mysteries

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 Northwest London. As they close in, the Chameleon—who switches identity to get close to his victims—shoots Marshall’s partner and escapes.

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, a.k.a. the Monster Mansion.

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.

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.

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.

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.

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.