Inside a Los Angeles church, on the altar steps, lies the blood-soaked, decapitated body of a priest. Carefully positioned, legs stretched out, arms crossed over the chest, the most horrifying thing of all is that the priest's head has been replaced by that of a dog. Later, the forensic team discover that on the victim's chest, the figure 3 has been scrawled in blood.

Still devastated after the loss of his wife, Tom Kennedy and his young son, Jake, move to the sleepy village of Featherbank, looking for a fresh start. But Featherbank has a dark past. Fifteen years ago a twisted serial killer abducted and murdered five young boys. Until he was finally caught, the killer was known as 'The Whisper Man'. Of course, an old crime need not trouble Tom and Jake as they try to settle in to their new home. Except that now another young boy has gone missing, stirring up rumours that the original killer was always known to have an accomplice.

Camden mortuary assistant Cassie Raven has pretty much seen it all. But this is the first time she's come face to face with someone she knew on the slab. Someone she cared about. Geraldine Edwards, the teacher responsible for her returning to education after she got ensnared in a life of drugs. The woman who acted as a second mother to the orphaned Cassie. Deeply intuitive and convinced that she can pick up the last thoughts of the dead, Cassie senses that there must be more to the ruling of an accidental death. 

On a remote Highland mountain, the body of Elaine Buxton is burning. All that will be left to identify the respected lawyer are her teeth and a fragment of clothing. In the concealed back room of a house in Edinburgh, the real Elaine Buxton screams into the darkness…. Detective Inspector Luc Callanach has barely set foot in his new office when Elaine’s missing persons case is escalated to a murder investigation. Having left behind a promising career at Interpol, he’s eager to prove himself to his new team.

The murders have begun. Across England, a string of murders is taking place. Each different in method, but each horrifying and brutal. Jess Ambrose is plunged into the investigation when her house is set ablaze. With her husband dead and the police pointing at her, she runs. Her only hope is disgraced detective Nate Griffin, who is convinced Jess is innocent. Soon, Jess and Griffin discover the unthinkable: this murderer is copying the world’s most notorious serial killers. And now, imitation isn’t enough. The killer dubbed the Echo Man is ready to create his own masterpiece.

Berlin detective Jan Tommen expected to wake up with a hangover - not a murder charge. But a well-known judge has been brutally killed and hard evidence places Jan at the crime scene. When disturbing gaps in Jan’s memory make finding an alibi impossible, the case against him looks open and shut. Faced with life on the inside, Jan flees police custody to take refuge with an old friend deeply enmeshed in the capital’s seedy underworld.

Detectives Laura Baxter and Jack Holt are members of the elite: Las Vegas Metro PD, one of the toughest and most respected law enforcement agencies in the United States. In the middle of a city with two million residents and 43 million annual visitors, they’re hunting for a killer. At the heart of a glamorous Las Vegas hotel, in front of hundreds of witnesses and under the lenses of countless video surveillance cameras, a young girl is brutally murdered. The most recorded crime in Vegas is missing one key protagonist, the killer.

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?

On an isolated farm in southern Ireland, a decades-old grave houses the dismembered bones of 11 women. Detective Superintendent Katie Maguire of the Irish Gardai is used to bloodshed, but these white bones speak of unimaginable butchery. Not far away, a young American tourist is at the mercy of a sadistic killer. His tools are a boning knife, twine, and a doll fashioned from rags, nails, and fish-hooks. The murder of his victims is secondary only to his pleasure at their pain.

In the mid-1980s the Snow White Killer terrorized the streets of Nashville, Tennessee. Then suddenly the murders stopped. A letter from the killer to the police stated that his work was done. Now four more bodies are found, marked with his fatal signature. The residents of Nashville fear a madman has returned, decades later, to finish his sick fairy tale. Homicide Lieutenant Taylor Jackson believes the killings are the work of a copycat killer who's even more terrifying.

Twenty-year-old Kendele Byers is savagely killed and buried in a shallow grave. She had a violent past, a bizarre, kinky line of work, and the suspect list grows longer every day. But when another woman is murdered, Detective Mitchell Lonnie realizes that there's something much more sinister afoot: a connection between the two murders. Both victims had received a clue hinting at their oncoming demise several minutes before they were attacked. There's a serial killer in Glenmore Park.

New York City is thrown into chaos by the assaults of the Bone Collector, a serial kidnapper and killer who gives the police a chance to save his victims from death by leaving obscure clues. The cops go to Lincoln Rhyme, an ex-NYPD forensics expert left paralysed after an accident on the job. Rhyme reluctantly postpones his ambitions towards suicide and puts together a forensic investigation team, enlisting as his eyes and ears young police officer Amelia Sachs.

For eight years Lexie Rogers has been a uniform cop in Sydney's red light district, Kings Cross. Having survived a violent knife attack, she's witnessed far more than most cops her age. Now she's back at work as the newest member of the Bondi Junction detectives' office and ready to start again. One of her first jobs is to execute a search warrant at a bikie clubhouse belonging to one of the two local gangs in the eastern suburbs.

When a teenage girl is found dead in the woods, her body posed like an angel, Stockholm holds its breath. The kill bears a chilling resemblance to those of the Angel Maker, a serial killer caught two decades ago.... One who just died in prison. Detective Inspector Jamie Johansson is taking some much-needed time away from the London Met when the call comes in. Her father, one of Stockholm's most notorious detectives, caught the Angel Maker when she was just a girl, and Jamie has long since closed the door to that part of her life. 

It's DS Logan McRae's first day back on the job after a year off on the sick, and it couldn't get much worse. Three-year-old David Reid's body is discovered in a ditch: strangled, mutilated and a long time dead. And he's only the first. There's a serial killer stalking the Granite City, and the local media are baying for blood. Soon the dead are piling up in the morgue almost as fast as the snow on the streets, and Logan knows time is running out. More children are going missing. More are going to die.