In this best-selling mystery series, FBI Special Agent Ilse Beck, victim of a traumatic childhood in Germany, moved to the US to become a renowned psychologist specializing in PTSD, and the world’s leading expert in the unique trauma of serial-killer survivors. By studying the psychology of their survivors, Ilse has a unique and unparalleled expertise in the true psychology of serial killers. Ilse never expected, though, to become an FBI agent herself.

Rosemary and Dylan have grown apart since his return from WW2 and prison camp. But when memories from a bygone era begin to haunt them, they are drawn together to discover the source. The key could be the locket that Dylan found in an antique store that bears Rosemary’s initials. "Together Forever" are the words inscribed there, and somehow the daguerreotype portraits seem familiar. Can the mysteries of the past have an effect on the present? Find out in this gripping tale of love, loss, and secrets revealed. Based on the wartime diaries of the author’s father.

Special Agent Sadie Price, a 29-year-old rising star in the FBI’s BAU unit, stuns her colleagues by requesting reassignment to the FBI’s remote Alaskan field office. Back in her home state, a place she vowed she would never return, Sadie, running from a secret in her recent past and back into her old one, finds herself facing her demons—including her sister’s unsolved murder—while assigned to hunt down a new serial killer.

When a bloated body is found floating in international waters, twenty miles out at sea, Lily Dawn is called back to the Caribbean. But this is not a happy homecoming. She hasn’t seen her parents since moving to Miami ten years ago, and now her sister has been declared legally dead.

In No Mercy (Book 1), when a serial killer escapes from a mental hospital, the FBI creates an elite unit to target criminally-insane killers. FBI Special Agent Valerie Law, a rising star, is the perfect candidate—but for Valerie, this case may just hit too close to home. With an insane killer on a spree, the clock is ticking for Valerie and her partner—and the brilliant psychiatrist on their team—to enter his mind and stop him before he strikes again.

Rae Dixon is lucky to be alive. Fifteen years ago, she survived being trafficked and abused, escaping her captors to reclaim her life. Now, she’s running a thriving business with her best friend and raising a teenage daughter on her own. Rae’s finally in control—literally. As Mistress V, Rae is the one calling the shots catering to Oklahoma City’s elite in her private dungeon, which is fronted by a spa. But when a client goes missing, Rae’s world spins out of control.

On the surface, Kit Caldwell has it all. A senior in college with her future ahead of her, lots of friends, lots of parties - not to mention also having the eye of Tommy, the star quarterback of the football team. But underneath, Kit's life is a charade, built on a foundation of secrets and lies, including one so dark it threatens to tear her world apart: her twin sister, Cat, was kidnapped when they were both seven, never to be heard from again. That is, until one dark Halloween night.

Despite being a rising star in the BAU unit, FBI Special Agent Hailey Rock still lives in the shadow of her older sister, who remained in their small Midwestern town to become a police sheriff and who remains the favorite in their parents’ eyes. Hailey has not thought of her estranged family in ages, but when young women turn up dead in her hometown, the FBI dispatches Hailey to solve the case her sister cannot—and forces her to face demons, including that of her kidnapped sister, that Hailey wished she would never face again.

Police officer and single mom Megan York is doing her best to raise her daughter in her small Midwestern town, hoping her past won’t come back to haunt her, and that her violent ex won’t be released from prison. But when women turn up murdered on local sailboats, victims of a serial killer, Megan must enter the mind of a killer and tackle the toughest case of her career—while her ex comes up for parole.

FBI Special Agent Claire King dies chasing a killer—and is resuscitated minutes later to realize she has changed. Dark images flash through her mind in a newfound power, visions leading her towards serial killers. But the riddles that plague her are obscured and conflicting, and Claire soon realizes that they may lead her to crack a case—or may just put her in the crosshairs of a killer.

A new kind of hero emerges on the streets of Washington. Kate Bowers is gritty, compassionate, and deadly. Her battle scars constantly remind her of the friends she lost in combat. Now one of DC’s top homicide detectives, she seeks justice for victims and a little redemption by hunting down a sadistic killer obsessed with capturing her attention.

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.

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.

Haunted by visions of the future, FBI Special Agent Laura Frost must tap her psychic talent to hunt diabolical serial killers—while keeping it secret from everyone around her. But with a ticking clock and lives on the line, might her visions lead her astray?

Ashley Hope is an average Southern woman, happily engaged, her whole life ahead of her—until dark secrets from her past come bubbling up.