Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

Five years ago, DCI John Lomond led the search for notorious Glasgow child-killer ‘The Sandman', until personal tragedy forced him off the case. In Lomond's absence, the killer was never found. Now, with nothing but work left in his life, Lomond remains obsessed with the case–despite the nightmares it brings. When a child is abducted in similar Sandman fashion from an affluent Glasgow suburb, Lomond is brought in to find them before it's too late.

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.

Detective Chief Inspector Harry Grimm is forced to take leave from Bristol’s Major Investigations Team when his boss, tired of Harry chasing the ghost of his murderous father, sends him north on secondment. Used to city life and high stress, Harry fears his life will now be spent handing out speeding tickets, finding lost sheep, and directing tourists. But when a local teenager runs away, Harry finds himself pulled into an investigation much worse than anyone could have ever expected.

D.I. Duncan McAdam is dispatched home to the Misty Isle. A body has been found buried in a remote location on the Waternish peninsula. Well-preserved in the peat, Isla Matheson—missing for the better part of two decades—is revealed to a shocked island community. A teenage runaway is dead...and no one is talking.

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.

A mutilated body is found dumped at Cowane's Hospital in the heart of historic Stirling. For DCI Malcolm Ford it's like nothing he's ever seen before, the savagery of the crime making him want to catch the murderer before he strikes again. For reporter Donna Blake it's a shot at the big time, a chance to get her career back on track and prove all the doubters wrong. But for close protection specialist Connor Fraser it's merely a grisly distraction from the day job.

Former soldier. Ex-copper. Current man on the edge. Shunned by his old colleagues, and dividing his time between a dead-end job and the bottom of a whisky bottle, former Police Scotland detective superintendent Bob Hoon’s life is a mess. Then an old face from Hoon’s Special Forces days turns up asking for help: His teenage daughter has been missing for months, the police have drawn a blank, and he needs the kind of help that only Hoon can provide. And besides, Hoon owes him one.

A woman is found in a local cemetery, crushed to death under a gravestone. A production company is there, filming the remake of a classic sci-fi TV show on the grounds, making the investigation more difficult for DCI Harry McNeil. It's his first day in charge of the cold case unit in Edinburgh. After spending four years in Professional Standards, he has little choice but to take the promotion.

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.

DS George Cross can be rude, difficult and awkward with people. But his unfailing logic and dogged pursuit of the truth means his conviction rate is the best on the force. So when his police colleagues dismiss the death of a man as a squabble among Bristol's homeless community, Detective Sergeant George Cross is not convinced.

The story opens with the apparently accidental drowning of a sixth form student in the Norfolk countryside. As a matter of routine, or so it seems, the case passes across the desk of Detective Sergeant Smith, recently returned to work after an internal investigation into another case that has led to tensions between officers at Kings Lake police headquarters. As an ex-DCI, Smith could have retired by now, and it is clear that some of his superiors wish that he would do so.

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.

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Detective Sergeant Chris Waters got the call at 05.29 that July morning. This is it, said DCI Reeve, you'll be first there, it's all yours, you're the crime scene manager. Suddenly, after months of waiting and wondering, Waters finds himself in at the deep end, and alone at the scene of a puzzling murder. As the investigation proceeds, the detectives at Kings Lake Central find themselves visiting familiar places and talking to some familiar faces, while old enmities reappear in the incident room. Before this is over, Chris Waters will need to make a career-changing decision.

Ian Softley is a killer. He's the man governments call when they want somebody dead. His is a life of intimidation and brutality, of beatings and executions—including, ultimately, his own. Jack Softley's life is a world away from his brother's. A high school English teacher, devoted father, and all-round nice guy, Jack tries to stay as far from trouble as possible. But when he receives word that Ian has been murdered, he finds himself dragged into a storm of violence and danger. Because the same people who killed his brother want him dead too.

The annual West Uist literary festival - The Gathering - always attracts the best in the business. But with the tiny island population suddenly doubling, the local police force is stretched to breaking point. And this year they have to deal with more than just drunken fights and rowdy behavior. Ranald Buchanan, the local poet, is found dead, with his head brutally caved in, and Inspector Torquil McKinnon is brought in to investigate.

DI Jack Knox is called in to investigate a high-profile case. A local distiller’s daughter has gone missing, and when he receives a ransom note, his fears that it is a kidnapping are confirmed. Knox decides to take a serious risk to capture the abductors, but the stakes could not be higher. The father is wealthy and well-connected. If Knox’s gamble goes wrong, he’ll have hell to pay. Meanwhile in the prequel story, 'Labyrinth', the body of an attractive young woman is found in woodland on Edinburgh’s iconic Calton Hill.

Tom Novak and Stella Mitchell are covering the aftermath of a chilling terror attack on the British Prime Minister and the US Secretary of Defense. But the further the American and English duo investigate, the more holes they find in the official version of events. When they link the attack to a series of suspicious deaths the night before, Novak and Mitchell find themselves the next targets in an extraordinary conspiracy involving the White House, the British government, and a shadowy deep-state organization.

A killer stalks the streets of Glasgow, his attacks bestial in their ferocity. The police are lost, and soon, as the past begins to haunt them, they themselves become targets. Step forward Detective Sergeant Hutton, adrift in a sea of love, lust, deception, alcohol and murdered colleagues. And lost though he is, the dead will not rest, the past will not be buried, and Hutton must find the answers before the killer strikes again.

DI Alan Williams is called to the recovery of two bodies from the sea at Trearddur Bay, during a storm. The lifeboat crew suspect they're fishermen, washed away by a wave, but they’re wrong. Alan and his detective sergeant, Kim Davies, realise the men were beaten and tied together before they entered the water. Two miles along the headland at Porth Dafarch, a third victim is found but there are no obvious links. As the number of victims increases, a major investigation team battles to unravel a deadly puzzle.

He's back and better than ever. James Ryker, a veteran intelligence agent now freelancer, working for the secretive Joint Intelligence Agency on an op-by-op basis, finds himself embroiled in a complicated mission that will test him to his limit. When a simple surveillance mission goes awry and the key target is kidnapped in broad daylight in a busy London square, Ryker knows he has his work cut out. Ryker is tasked with figuring out what went wrong. But when his good friend Sam Moreno disappears without a trace, the mission becomes more personal than he could have imagined.

He dedicated most of his life to the Joint Intelligence Agency. Now, James Ryker wants to start afresh. However, he soon hears about the murder of a woman whose fingerprints match those of a former adversary who's been missing, presumed dead...an assassin known as the Red Cobra. But Ryker confirms a case of mistaken identity. Who is the dead woman? And where is the real Red Cobra?

Ryan Drake is a man who finds people who don't want to be found. Once a British soldier, he now works for the CIA, leading an elite investigation team that tracks down missing agents. But his latest mission - to free a prisoner, code-named Maras, and bring her back onto US soil within 48 hours - is more dangerous than anything his team has attempted before. Hunted by his former comrades, Drake is left with no choice but to trust a dangerous woman he barely knows.

The last time DCI Jamie Carver involved a would-be victim in his hunt for a serial killer, it ended badly. Now they want him to do it again, only this time the 'victim' is a Dominatrix. As if he hasn't enough on his plate - a brutal killer poised to strike again; shadows of the past that still haunt his dreams; an investigation under mounting pressure to succeed; a beautiful woman whose bizzare lifestyle may be the key to finding the killer. And that's not counting the young girl whose life he's trying to save from ruin or the ambitious colleague scheming to bring him down.

Two skeletons are discovered in Lamentation Tarn, a mountain lake. Talented detective Mike Nash and his team have little evidence with which to work, until a surprising discovery prompts them to contact law enforcement agencies in Eastern Europe.

John Tyler finally built the life he wanted. But his past casts a long shadow. Eight years retired from the army, Tyler manages his PTSD and begins a job as a classic car mechanic. He's a single dad to Lexi, who's about to enter college. Life is looking up. Then, everything comes crashing down. Tyler's former commanding officer is out of prison and hellbent on revenge. Their mutual hatred has been simmering for years. When it finally boils over, everyone and everything in Tyler's life is threatened.

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.

Former detective sergeant Norman Norman’s retirement is boring him to tears. So when he’s asked to assist an upcoming female DI and mentor a new team of misfits in a sleepy Welsh coastal town, he jumps at the opportunity. But the training has barely begun when a woman’s corpse washes up on the sand. With no reports of missing persons, DS Norman is stumped...until the post-mortem reveals a shocking hint to the culprit being local. But with a growing list of suspects who all have alibis, the experienced cop and his fledgling team’s first case could be their last.

When an archaeological investigation of an old prisoner of war camp turns up several bodies in unmarked graves, it should be an open and shut case for DCI John Blizzard. But on a foggy November morning, his instinct that something is not quite right is confirmed when forensics show that while most of the victims died during a flu epidemic after the Second World War, one of the deaths was far more recent. Who is this man? Why was he killed? As Blizzard and his team investigate, they begin to uncover a cruel crime and a promise of revenge that goes back generations.