Kieran O'Regan was responsible for hunting down killers. Now he's become one of the dead: his decapitated body has been found in a graveyard, a tin whistle stuffed into his throat. O'Regan was due to give evidence at a trial for police corruption. His gruesome murder sends a clear message to whistleblowers: only silence is safe. DCI Katie Maguire is determined to uncover the truth. But corruption in the Garda stretches back decades. As more officers are horrifically silenced, Katie must decide whom she can trust.... 

The girl had been staring into her mirror all morning before she picked up the small bottle of sulphuric acid and poured it over her forehead. Samira was a young woman with her whole life ahead of her. What could have brought her to this? DC Jerry Pardoe and DS Jamila Patel of Tooting Police suspect it's suicide. But then a meek husband kills his wife, and the headteacher of the local school throws her pupils out of a window. It's no longer a random outbreak of horrific crimes. It's a deadly virus. And it's spreading.

In this supernatural thriller, U.S. counterintelligence officials approach James Falcon to hunt down strigoi murderers--undying vampires--in war-ravaged Europe. Even after the threat is driven away, James will uncover more secrets about the immortal predators--secrets that come ever closer to home.

Beatrice Scarlet is the apothecary's daughter. She can mix medicines to save lives - but she can't save the lives of her parents. An orphan at just sixteen, Beatrice marries and emigrates to America. New Hampshire, 1756: In the farming community where Beatrice now lives, pigs are found dead with slices of looking-glass embedded in their mouths. According to scripture this is the work of Satan, but Beatrice suspects the hands of men. She must act quickly to unmask the killer - or become the next victim herself....

Detective Chief Inspector Ryan retreats to Holy Island seeking sanctuary when he is forced to take sabbatical leave from his duties as a homicide detective. A few days before Christmas, his peace is shattered, and he is thrust back into the murky world of murder when a young woman is found dead amongst the ancient ruins of the nearby priory. When former local girl Dr. Anna Taylor arrives back on the island as a police consultant, old memories swim to the surface, making her confront her difficult past.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

A family is gunned down in the snow, but one of the children survives. Three years on, that child takes revenge, and the Snow Killer is born. But then, nothing - no further crimes are committed, and the case goes cold. 50 years later, has the urge to kill been reawakened? As murder follows murder, the detective team tasked with solving the crimes struggle with the lack of leads. It’s a race against time and the weather - each time it snows, another person dies.

In the present, an old fisherman is found dead by the shoreline and a stranger with a mission moves into a shabby Kinloch flat/ Meanwhile, D.C.I. Jim Daley is trying to help Brian Scott stay sober, and the good people of Kinloch are still mourning the death of one of their own. As past and present collide, Daley finds himself face to face with old friends and foes. Memories can only last as long as those who keep them, and ghosts will not be silenced.

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?

When the naked, battered body of an unidentified teenager is found dumped in an alleyway, postmortem finds evidence of a harrowing series of events. Another teenage death with the same MO pushes DI Hannah Robbins and her team on the Nottingham City division Major Crimes Unit to their limits - and across county borders.

DI Frank Farrell and DS McLeod are tasked with investigating the brutal murder of a defence solicitor’s wife in Dumfries. It’s been over a year since they left the town after an investigation robbed them of a dear friend. But now they’re back and must find a way to move on. When the son of another defence solicitor is murdered, a strange tattoo etched on his body, the case takes them into darker, more disturbing territory.

When the body of a woman is found hanging from a tree in her front garden, rookie Detective Morgan Brookes is first on the scene. But Olivia Potter is past saving. And when her husband and daughters cannot be traced, Morgan knows there is more to this tragedy. And then she finds them. Lying huddled together in the dark basement, each of their faces covered with a small cotton cloth, their bodies cold to the touch. But as Morgan kneels beside the family, she realizes that one of the girls is still breathing.

When the chief suspect in the notorious "peekaboo 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 peekaboo fashion, Bone is persuaded to return to lead the new investigation.

A year previously, DI Delaney was responsible for the arrest of Michael Robinson, a vicious rapist. Robinson always claimed he was set up by the police but, before he could be brought to trial, he was brutally attacked in prison and left for dead. He survived, however, and a year later, out of hospital and fit for trial - he is pointing the finger squarely at Delaney for the assault that nearly killed him.

On a remote island, everyone is a suspect.... When private investigator Hanlon is hired to protect famous yoga instructor Camille Anderson on her Scottish island retreat, she thinks this may be her simplest job yet. But when an attack on Camille's life goes wrong, it soon becomes clear that there is a murderer on the island - and Hanlon will stop at nothing to track them down. With only a small group of guests the suspects are clear, but as the body count rises Hanlon must step up to find out who the killer is before it’s too late....