FBI Special Agent Katie Winter is no stranger to frigid winters, isolation, and dangerous cases. With her sterling record of hunting down serial killers, she is a fast-rising star in the BAU, and when a woman is discovered in the middle of a frozen lake, Katie is the natural choice to partner with Canadian law enforcement to track the killer across the brutal and unforgiving landscape.

FBI Special Agent Taylor Sage has crossed the country and transferred to her dream job with the BAU at Quantico. With a new job, a new house, and her husband by her side, Taylor is ready to put the darkness of her past behind her: a sister who vanished when she was a teenager.

A notorious stretch of highway is rife with serial killers, unsolved murders and missing-persons cases. The FBI, knowing it must crack this Bermuda Triangle of death, assigns its most brilliant mind—and flawed agent—Rylie Wolf, to dive headfirst into this road of danger. Rylie must tap her brilliant instincts to decode these cases and enter the twisted mind of killers—while battling demons from her own dark past.

FBI Special Agent Ruby Hunter wants nothing more than to put the 13 killer, and her days in the FBI, behind her, and to try to pick up the pieces of her life. But he refuses to rot quietly. Ruby realizes she must do the thing she dreads the most: Visit him in prison. But he is diabolical and cunning, an expert at toying with his victims—and with her.

FBI Special Agent Maya Gray, 39, has seen it all. She’s one of BAU’s rising stars and the go-to agent for hard-to-crack serial cases. When she receives a handwritten postcard promising to release 12 kidnapped women if she will solve 12 cold cases, she assumes it’s a hoax.

MMA champ-turned-FBI Special Agent and BAU specialist Dakota Steele is as tough as they come—and as brilliant, too, able to crack serial killers that no one else can.

Dylan First, a brilliant psychologist, is haunted by the horrific discovery of her past. Her mentor and father figure, a brilliant psychiatrist and professor, was secretly a serial killer. He is behind bars, but with everything Dylan thought she knew turned upside down, she feels lost when the FBI suddenly comes knocking. A new killer is using her mentor’s trademark signature. And they need Dylan to dissect his mind and stop him before it’s too late.

Alexa Chase, 34, a brilliant profiler in the FBI’s Behavioral Analysis Unit, was too good at her job. Haunted by all the serial killers she caught, she left a stunning career behind to join the US Marshals. As a Deputy Marshal, Alexa—fit, and as tough as she is brilliant—could immerse herself in a simple career of hunting down fugitives and bringing them to justice.

Harley, reeling from her being put on leave, from her long-term relationship falling apart, and from her father’s dying, is hardly ready to return to her hometown, to its long-buried secrets, and her tortured past. She spent her life escaping this small town—but, as she settles back in, she wonders: Might she have been wrong all this time? Yet as more bodies surface and as every clue leads to a dead end, Harley, clashing with her new partner, realizes she’s in a race against time.

It’s been five years since Detective Amanda Steele’s life was derailed by the tragic death of her young daughter. The small community of Dumfries, Virginia, may have moved on, but Amanda cannot. When the man who killed Lindsey is found murdered, she can’t keep away from the case.

FBI Special Agent Matthew Roarke is closing in on a bust of a major criminal organization in San Francisco when he witnesses an undercover member of his team killed right in front of him on a busy street, an accident Roarke can't believe is coincidental. His suspicions put him on the trail of a mysterious young woman who appears to have been present at each scene of a years-long string of accidents and murders, and who may well be that most rare of killers: a female serial.

A twisted killer. A deadly game of cat-and-mouse. Detective Jack MacIntosh has seven days to find the truth. A young woman is discovered strangled in Hyde Park. Wearing only one shoe. Close to the body, Detective Jack MacIntosh finds a black stiletto, diamante buckle glinting in the early morning sun. But it doesn't belong to the victim.

FBI special agent Mercy Kilpatrick has been waiting her whole life for disaster to strike. A prepper since childhood, Mercy grew up living off the land — and off the grid — in rural Eagle’s Nest, Oregon. Until a shocking tragedy tore her family apart and forced her to leave home. Now a predator known as the cave man is targeting the survivalists in her hometown, murdering them in their homes, stealing huge numbers of weapons, and creating federal suspicion of a possible domestic terrorism event.

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.

Gina Royal is the definition of average—a shy Midwestern housewife with a happy marriage and two adorable children. But when a car accident reveals her husband’s secret life as a serial killer, she must remake herself as Gwen Proctor—the ultimate warrior mom. With her ex now in prison, Gwen has finally found refuge in a new home on remote Stillhouse Lake.

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 young wife disappears in the night, never to be seen again. There is no evidence of kidnapping - in fact, everything indicates that she left on purpose. Her husband, a brilliant police detective, cannot believe this - but he also can't find her. Flynn Carroll’s lost love becomes his obsession. He begins amassing a file of similar cases nationwide.

John Cray has a secret. For 12 years he has stalked and kidnapped women, setting them loose in the mountains of eastern Arizona, hunting them like animals, and taking their lives. He has left no clues. He is suspected by no one. Or so he thinks. But now he has a problem. Somebody - a woman whose name he doesn't know - is stalking him. She follows him when he makes his nightly rounds in Tucson. She watches him on busy street corners and in shadowy restaurants. She seems to know his secret. But if so, why hasn't she gone to the police?

Four friends, recent college graduates, caught in a terrible job market, joke about turning to kidnapping to survive. And then, suddenly, it's no joke. For two years, the strategy they devise - quick, efficient, low risk - works like a charm. Until they kidnap the wrong man. Now two groups they've very much wanted to avoid are after them - the law, in the form of veteran state investigator Kirk Stevens and hotshot young FBI agent Carla Windermere, and an organized-crime outfit looking for payback.

William Fawkes, a controversial detective known as The Wolf, has just been reinstated to his post after he was suspended for assaulting a vindicated suspect. Still under psychological evaluation, Fawkes returns to the force eager for a big case. When his former partner and friend, detective Emily Baxter, calls him to a crime scene, he's sure this is it: the body is made of the dismembered parts of six victims, sewn together like a puppet - a corpse that becomes known as "The Ragdoll".

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.

Steven James' Christy Award-nominated crime thriller pits FBI Special Agent Bowers against a serial killer who enjoys torturing women. After visiting the mountain vistas where the murderer posed his dead victims, Bowers receives a taunting call from the "Illusionist." Although Bowers gets close, his insidious foe continues to elude him.

Alan Gregory is a clinical psychologist with a thriving practice in Boulder, Colorado. His life begins to unravel when one of his female patients is found in an apparent suicide and the local paper begins printing accusations from an unnamed source of sexual impropriety between the woman and Dr. Gregory. He launches a psychological and personal quest for the truth that rapidly intensifies when more of his patients die untimely deaths, and Gregory suspects not only that the deaths are related but that another one of his patients may be somehow involved. Lacking facts but roused by suspicion and troubled by seemingly random acts of terror around him, Gregory starts to fear for the safety of the people he loves. The question of the inviolability of confidential disclosures made to Gregory by his patients - privileged information - becomes crucial as the psychologist pursues an unsettling romance with Lauren Crowder, a lovely deputy district attorney investigating one of the deaths. Bound to silence, Gregory follows the psychological tracks of someone he fears may be a cunning and disturbed killer, while turning to his enigmatic but supportive partner, Diane Estevez, for counsel, and to his tart-tongued female urologist neighbor for support. The sinister, surprising drama unfolds against Boulder's Rocky Mountain backdrop, in the arresting natural beauty of Aspen, and in the midst of a baroque Halloween costume party in downtown Boulder. Finally, in a lonely mountain lodge enshrouded in menace, the story comes to its breathtaking climax.

Two people are abducted, imprisoned, and left with a gun. As hunger and thirst set in, only one walks away alive. It's a game more twisted than any Detective Inspector Helen Grace has ever seen. If she hadn't spoken with the shattered survivors herself, she almost wouldn't believe them.

Grieving the death of his partner, Theo Bosco has no room in his life for distractions. Though his instincts scream that he should avoid Juliet "Jules" Jackson, he can't seem to stay away. When Jules rescued her siblings, whisking them away to the safety of the beautifully rugged Colorado Rockies, she never expected to catch the eye - or the heart - of a cop. Yet as Jules struggles to fight her growing attraction to the brooding K9 officer, another threat lurks much closer to home. And this time, there's no escape.

It can't be a coincidence that in the past 24 hours, three different thugs have tried to kill or abduct Ashley Parrish. Sexy SWAT team leader Dillon Gray saved her, but now he wonders why someone would want to murder the beautiful accountant…and why he finds her so infuriatingly attractive. Then the FBI comes after Ashley for embezzlement, and Dillon knows he must protect her from a killer and prove she's being framed. Taking her on a hair-raising run through dangerous terrain barely fazes him. But wanting her for more than just one night scares the hell out of him.

Reeve LeClaire is a college student, dammit, not Daryl Wayne Flint's victim. Not anymore-not when Reeve is finally recovering a life of her own after four years of captivity. Flint is safely locked up in Olshaker Psychiatric Hospital, where he belongs. He is walking the grounds of the forensic unit, performing his strange but apparently harmless rituals. It seems that he is still suffering the effects of the head injury he suffered in the car crash that freed Reeve seven years ago. Post-concussive syndrome, they call it.

Jonah Miller is a Reviver, able to temporarily revive the dead so they can say goodbye to their loved ones - or tell the police who killed them. Jonah works in a department of forensics created specifically for Revivers, and he’s the best in the business. For every high-profile corpse pushing daisies, it’s Jonah’s job to find justice for them. But while reviving the victim of a brutal murder, he encounters a terrifying presence. Something is on the other side watching. Waiting.

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?

Growing up, Bianca St. Ives knew she was different from all her friends. Instead of playing hopscotch or combing her dolls' hair, she studied martial arts with sensei masters and dismantled explosives with special-ops retirees. Her father prepped her well to carry on the family business. Now a striking beauty with fierce skills, the prodigy has surpassed the master.