Every crime scene has a smell. A look. A trail of DNA. It also has a feel. A lingering residue that floats unseen, like bacteria in the air, just waiting to be absorbed. To be felt. To be interpreted. And the man and the boy are the only ones who know this. Veteran major crimes detective Kate Messenger has a problem on her hands: six bodies - father, mother, three children, and the family dog - all slaughtered in their own home, with not a single clue or a shred of DNA that points to the butcher who killed them.

Even for the sleazy backwater of Cooper, Nebraska, the multiple murder of an entire family, brutally bludgeoned to death in their beds, is big news. Detective Joe Finch, raw with guilt over his partner’s traumatic shooting during a routine traffic stop, hopes the case will at least focus his mind. But then he discovers that the crime scene is the house he grew up in, and the ghosts of his own tragic childhood come rushing back to confront him.

From Atlanta's wealthiest suburbs to its stark inner-city housing projects, a killer has crossed the boundaries of wealth and race. And the people who are chasing him must cross those boundaries, too. Among them is Michael Ormewood, a veteran detective whose marriage is hanging by a thread and whose arrogance and explosive temper are threatening his career. And Angie Polaski, a beautiful vice cop who was once Michael's lover before she became his enemy.

It has been eight years since Dr. David Beck’s wife, Elizabeth, was murdered by a serial killer. When Beck receives a message containing a phrase only Elizabeth should know, he is tormented to tears. Either someone is playing a sick joke, or the wife he’s never stopped loving is still alive. He’s been warned to tell no one, and as the desperation of his search for the truth intensifies, he heads straight toward a deadly secret.

Who is NYPD Detective Damien Drake? For starters, he’s an alcoholic with PTSD; a man who doesn’t play well with others and could care less about political correctness. But he’s also the one they call in when the most heinous crimes are committed by the city’s most sadistic murderers. He’s the one they bring in when there are no clues, no evidence, and the killer shows no remorse. He's the one enlisted to keep the streets of New York City safe. Just don’t get on his bad side because he’s also the one detective in New York that you don’t want as an enemy....

Eleven years ago, the Co-ed Slayer murdered nine female students on the Oregon State University campus. Lacey Campbell barely escaped his attack, but lost her best friend whose remains were never found. As the sole surviving victim, Lacey helped send the sadistic serial killer to prison for life. Now a forensic odontologist examining teeth and bones for the state Medical Examiner, Lacey is devastated when she arrives at a crime scene and identifies the skeletal remains as her college friend’s.

At the grisly murder scene of a teen prostitute, Virginia state trooper Riley Tatum's past roars back to haunt her. When she was a teenage runaway, she was kidnapped, drugged, and left unconscious on the streets. She has no memories of what happened, only strange recurring dreams of two men playing cards. Former FBI agent Clay Bowman, Riley's old flame, is Shield Security's newest member. He's plagued by the unsolved case of a serial killer nicknamed the Shark who murdered girls as part of a sadistic poker game.

In the sleepy rural town of Painters Mill, Ohio, the Amish and "English" residents have lived side by side for two centuries. But 16 years ago, a series of brutal murders shattered the peaceful farming community. Kate Burkholder, a young Amish girl, survived the terror of the Slaughterhouse Killer but came away from its brutality with the realization that she no longer belonged with the Amish. Now, a wealth of experience later, Kate has been asked to return to Painters Mill as Chief of Police. She's certain she's come to terms with her past - until the first body is discovered in a snowy field.

At the end of a long day battling street traffic, bike messenger Jace Damon has one last drop to make. But en route to delivering a package for one of L.A.'s sleaziest defense attorneys, he's nearly run down by a car, chased through back alleys, and shot at. Only the instincts acquired while growing up on the streets of L.A. allow him to escape with his life, and with the package someone wants badly enough to kill for.

No one is more familiar with Savannah's dark side than homicide detective and native resident Elise Sandburg. She's been haunted for years by her own mysterious past: She was abandoned as a baby in one of the city's ancient cemeteries, and it’s rumored that she is the illegitimate daughter of an infamous Savannah witch doctor. The local Gullah culture of voodoo and magic is one that few outsiders can understand, least of all Elise’s new partner.

At first, they struggle to escape. Then a torrent of blows rains down upon their bodies until their eyes cloud over in final agony. The killer shows no remorse - just a twisted need to witness each victim's last terrified moments. Public defender Rachel Wainwright is struggling to reopen a decades-old case, convinced that the wrong man is in prison. Homicide detective Deke Morgan doesn't want to agree. But if Rachel's hunch is correct, whoever fatally bludgeoned young, beautiful Annie Dawson 30 years ago could be the source of a new string of brutal slayings.

Investigative journalist Laura Chambers is back in her tiny hometown of Hillsborough, North Carolina, the one place she swore never to return. Fired from The Boston Globe, her career in shambles, she reluctantly takes a job with the local paper. The work is simple, unimportant, and worst of all, boring - at least until a missing girl turns up dead, the body impeccably clean, dressed to be the picture of innocence. Years earlier, 10-year-old Patty Finch left home and never made it back. But for the people of Hillsborough, Patty was just the beginning.

Ellery Hathaway knows a thing or two about serial killers, but not through her police training. She's an officer in sleepy Woodbury, Massachusetts, where a bicycle theft still makes the newspapers. No one there knows she was once victim number 17 in the grisly story of serial killer Francis Michael Coben. The only victim who lived. When three people disappear from her town in three years, all around her birthday - the day she was kidnapped so long ago - Ellery fears someone knows her secret. Someone very dangerous.

A city of antebellum architecture, picturesque parks, and cobblestone streets, Savannah moves at a graceful pace. But for Harper McClain, the timeless beauty and culture that distinguishes her home’s Southern heritage vanishes during the dark and dangerous nights. She wouldn’t have it any other way. Not even finding her mother brutally murdered in their home when she was 12 has made her love Savannah any less.

After Emery Hazard loses his job as a detective in Saint Louis, he heads back to his hometown - and to the local police force there. Home, though, brings no happy memories. Hazard's new partner, John-Henry Somerset, had been one of the worst tormentors, and Hazard still wonders what Somerset's role was in the death of Jeff Langham, Hazard's first boyfriend. When a severely burned body is discovered, Hazard finds himself drawn deeper into the case than he expects. Determining the identity of the dead man proves impossible, and solving the murder grows more and more unlikely.

At first, they struggle to escape. Then a torrent of blows rains down upon their bodies until their eyes cloud over in final agony. The killer shows no remorse - just a twisted need to witness each victim's last terrified moments. Public defender Rachel Wainwright is struggling to reopen a decades-old case, convinced that the wrong man is in prison. Homicide detective Deke Morgan doesn't want to agree. But if Rachel's hunch is correct, whoever fatally bludgeoned young, beautiful Annie Dawson 30 years ago could be the source of a new string of brutal slayings.

Ellery Hathaway knows a thing or two about serial killers, but not through her police training. She's an officer in sleepy Woodbury, Massachusetts, where a bicycle theft still makes the newspapers. No one there knows she was once victim number 17 in the grisly story of serial killer Francis Michael Coben. The only victim who lived. When three people disappear from her town in three years, all around her birthday - the day she was kidnapped so long ago - Ellery fears someone knows her secret. Someone very dangerous.

FBI analyst Kassidy Bishop is assigned to the "'For You' Killer" task force after a series of sadistic murders bearing the same signature arise in different parts of the country. The homicides are both calculated and savage, occurring in different states, but bearing the same signature: the words "for you" scribbled at each crime scene. The case chills Kassidy, bringing back memories of her own encounter with a violent criminal five years earlier.

The Dead Eyes killer lurks in the backyard of the FBI's famed Behavioral Analysis Unit. His brutal murders, unlike any others previously encountered, confound the local task force, despite the gifted skills of Special Agent Karen Vail, the first female ever promoted to the profiling unit. But along with her keen insight, Vail brings considerable personal and professional baggage—both of which threaten to derail the investigation, destroy her storied career and get her killed.

In Azalea, Mississippi, the only thing steamier than the summer days are the men of the King family. When the patriarch Randall King is found dead, Detective Arabella Matthews will race the clock to stop the killer from striking again. Benton, the eldest of the King siblings, has to decide if he wants to cooperate with the feisty detective or conduct his own investigation. The more he finds out about his father - and the closer he gets to Arabella - the more he wants to keep her safe. But the killer has different plans....

Regulars at Nadia’s nature lodge don’t ask what she does in the off-season. And that’s a good thing. If she told them, she’d have to kill them. She’s a hit woman for a Mafia family. Tough and self-sufficient, Nadia doesn’t owe anyone any explanations. But that doesn’t mean she always works alone. One of her contacts has recruited her in the hunt for a ruthlessly efficient serial killer cutting a swath of terror across the country. The assassin is far too skilled to be an amateur - and the precision of the killings is bringing the Feds much too close to the hit man community for comfort.

Five years after the brutal slaying of her husband, software technology executive Jill Shannon is finally ready to take the next step in her life. With her wedding to Phoenix Arizona prosecuting attorney Conner Manning just eight weeks away, the only cloud on Jill's horizon is her future father-in-law's political ambitions for his son. Jill has dark secrets in her past. Secrets she can't afford to have exposed under the relentless lights of a political campaign.

Dr. Sheila Tao is a professor of psychology, an expert in human behavior with her own hidden past. But she's not the only one keeping secrets. When Sheila began an affair with her sexy graduate assistant Ethan Wolfe, she knew she was playing with fire. Consumed by lust when they were together, she was riddled with guilt when they were apart. Now she's finally engaged to a good man, and it's time to end the dangerous liaison. But Ethan has something different in mind. He intends to make her pay for rejecting him.

All ATF Agent Jack Donovan wants out of life is to do his job and work on his strained relationship with his daughter Jessie after a nasty divorce. But in a ruthless act of revenge by a charismatic madman, Jessie is kidnapped and buried alive, with barely enough oxygen to sustain her. Now the only man who can save her, the only man who knows where to find her, has just been shot dead - and the clock is ticking... So what's a father to do?

It is an obsession that has haunted Nick Malick for seven years - to avenge the murder of his young son. In his gut Malick knows who did it. But the psychopath is in prison for another crime, scheduled to be released in a year. All Malick has to do is wait...and survive.

Lt. Joe Gunther of the Brattleboro, Vermont, police force has a serious problem: in a community where a decade could pass without a single murder, the body count is suddenly mounting. Innocent citizens are being killed - and others set up - seemingly orchestrated by a mysterious ski-masked man. Signs suggest that a three-year-old murder trial might lie at the heart of things, but it's a case that many in the department would prefer remained closed. A man of quiet integrity, Lt. Gunther knows that he must pursue the case to its conclusion, wherever it leads.

A small Georgia town erupts in panic when a young college professor is found brutally mutilated in the local diner. But it's only when town pediatrician and coroner Sara Linton does the autopsy that the full extent of the killer's twisted work becomes clear. Sara's ex-husband, Police Chief Jeffrey Tolliver, leads the investigation - a trail of terror that grows increasingly macabre when another local woman is found crucified a few days later.

If you've never read a Repairman Jack novel, this is the place to begin. It's 1990. A twenty-one-year-old named Jack has dropped out of college, leaving his old life behind to build a new one in New York City. Manhattan's rough edges are jagged enough to shred any unwary newcomer, but perhaps not one who is determined to stay off the grid, at any cost, in the busiest metropolis on earth. And to do so, he'll have to take jobs of a less than legal nature.

Private investigator Alexandra Lovell uses computer skills and cunning to help clients drop off the radar and begin new lives in safety. Melanie Bess, desperate to escape her abusive cop husband, was one of those clients. But when Melanie vanishes for real, Alex fears the worst, and sets out to discover what happened. Using every resource she can get her hands on - including an elite team of forensic scientists known as the Tracers and a jaded, sexy Austin PD detective - Alex embarks on a mission to uncover the truth.

Elena Michaels is the world’s only female werewolf. And she’s tired of it. Tired of a life spent hiding and protecting, a life where her most important job is hunting down rogue werewolves. Tired of a world that not only accepts the worst in her–her temper, her violence—but requires it. Worst of all, she realizes she’s growing content with that life, with being that person.