A twisted killer targeting psychologists has left a grisly trail across Europe. Dr Tony Hill, expert at mapping the minds of murderers, is reluctant to get involved. But then the next victim is much closer to home....Meanwhile his former partner, DCI Carol Jordan, is working undercover in Berlin on a dangerous operation to trap a millionaire trafficker. When the game turns nasty, Tony is the only person she can call on for help.

Up until now the only serial killers Tony Hill had encountered were safely behind bars. This one’s different - this one’s on the loose. Four men have been found mutilated and tortured. As fear grips the city, the police turn to clinical psychologist Tony Hill for a profile of the killer. But soon Tony becomes the unsuspecting target in a battle of wits and wills, where he has to use every ounce of his professional nerve to survive.

A dead girl lies on a blood-soaked mattress, her limbs spread in a parody of ecstasy. The scene matches a series of murders which ended with the conviction of Derek Tyler. But Tyler's been locked up in a mental institution for two years, barely speaking a word. Criminal psychologist Dr Tony Hill thinks this is not a copycat murder but something much stranger. Hill heads towards a terrifying face-off with one of the most perverse killers he has ever encountered….

When Robbie Bishop, star midfielder for the Bradfield Vics, is poisoned by a rare and deadly toxin, profiler Dr Tony Hill and trusted colleague DCI Carol Jordan have their work cut out for them. Then a bomb explodes in the football stadium, causing massive casualties - and another man dies from poisoning. Is there a link between the cases? What are the motives for these crimes? The clock is ticking, and the death toll keeps rising....

Guilt and grief have driven a wedge between long time crime-fighting partners psychologist Tony Hill and ex-DCI Carol Jordan. But just because they're not talking doesn't mean the killing stops. Someone is killing women. Women who bear a disturbing resemblance to Carol Jordan. And when the evidence begins to point in a disturbing direction, thinking the unthinkable seems the only possible answer.

There is one serial killer who has shaped and defined police profiler Tony Hill's life. One serial killer whose evil surpasses all others. One serial killer who has the power to chill him to the bone: Jacko Vance. And now Jacko is back in Tony's life. Even more twisted and cunning than ever before, he is focused on wreaking revenge on Tony - and DCI Carol Jordan - for the years he has spent in prison. Tony doesn't know when Jacko will strike, or where. 

When a body is discovered in the remote depths of the Highlands, DCI Karen Pirie finds herself in the right place at the right time. Unearthed with someone's long-buried inheritance, the victim seems to belong to the distant past - until new evidence suggests otherwise, and Karen is called in to unravel a case where nothing is as it seems. It's not long before an overheard conversation draws Karen into the heart of a different case, however - a shocking crime she thought she'd already prevented. As she inches closer to the twisted truths at the centre of these murders, it becomes clear that she's dealing with a version of justice terrifyingly different to her own....

When a skeleton is discovered hidden at the top of a gothic Victorian building in Edinburgh, which is scheduled for renovation, Cold Case Squad detective Karen Pirie is given the task of identifying the decades-old bones. Her investigation leads her back to past conflicts, false identities and buried secrets...

When psychological profiler Tony Hill comes across a series of suicides among women tormented by vicious online predators, he begins to wonder if there is more to these tragedies than meets the eye. Could it be murder? But what kind of serial killer wants his crimes to stay hidden? Tony and DCI Carol Jordan begin the hunt for the most dangerous and terrifying kind of killer - someone who has nothing to fear and nothing to lose.

After an explosive case that forced Tony Hill and Carol Jordan to reassess everything they thought they knew about right and wrong, both are dealing with the fallout in their own separate ways. While Tony must pay the price for his actions, Carol is conducting investigations into suspected miscarriages of justice. But when a shocking discovery is made on a construction site, and skeletal remains are found to belong to a killer who is supposedly alive and in prison, suddenly Tony and Carol are brought into each other's orbit once again.... 

It's 1984. The miners' strike is dividing the country. In a struggling coal-mining town, the miners and their families are living at the edge of their resources. On the 14th of December, five miners break ranks to travel to Nottingham and work. For those who stay behind, this is an unforgivable betrayal. Twenty-three years later, a young woman is asking the police to trace her missing father. Miner Mick Prentice vanished, never to be seen again.

When a teenage joyrider crashes a stolen car and ends up in a coma, a routine DNA test could be the key to unlocking the mystery of a 20-year-old murder inquiry. Detective Chief Inspector Karen Pirie is an expert at solving the unsolvable. With each cold case closed, justice is served. So, finding the answer should be straightforward, but it's as twisted as the DNA helix itself. 

In the Peak District village of Scarsdale, 13-year-old girls didn’t just run away. So when Alison Carter vanished in the winter of '63, everyone knew it was a murder. Catherine Heathcote remembers the case well - a child herself when Alison vanished. Now a journalist, she persuades DI George Bennett to speak of the hunt for Alison. But when a fresh lead emerges, Bennett tries to stop the story - plunging Catherine into a world of buried secrets and revelations.

A protest group hits the headlines when unrest at a women's peace camp explodes into murder. Already on the scene, journalist Lindsay Gordon desperately tries to strike a balance between personal and professional responsibilities. As she peels back the layers of deception surrounding the protest and its opponents, she finds that no one - ratepayer or reporter, policeman or peace woman - seems wholly above suspicion. Then Lindsay uncovers a truth that even she can scarcely believe.... 

On a freezing morning four drunken students stumble upon the body of a woman in the snow. Rosie has been raped, stabbed and left for dead in a cemetery. The only suspects are the four young men now stained with her blood. Twenty-five years later the police mount a cold-case review of Rosie’s unsolved murder, and the four are still suspects. But when two of them die in suspicious circumstances, it seems that someone is pursuing their own brand of justice....