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Every previous Slaughter novel had placed a trained professional at the center: a GBI special agent, a forensic pediatrician, a detective. The dream that launched Pretty Girls arrived as a ready-made argument for finally breaking that pattern.
I was inspired by a dream, which is sort of odd because usually I have no idea where my ideas come from. I had this dream that’s basically the kernel of this story and I woke up and I thought, I think that’s something that I can turn into a novel. And this might be my opportunity to write a story from the perspective of the family impacted by a crime, as opposed to what I do with my Will Trent novels, which is write about crime from the investigator’s point of view. [paraphrased from audio]
The desire to write from a victim’s family’s perspective had been building across her career. What the dream gave her was not the subject so much as the permission to leave behind the procedural scaffolding she had always relied on.
For years, I’ve written about Will Trent, a cop; and my other narrators have been either cops or doctors specializing in forensic medicine. I wanted to tell a story revealing the toll crime takes — what crime leaves behind, and how it can tear families apart.
The sibling structure of Pretty Girls drew on something Slaughter had been turning over most of her life. She is the youngest of three sisters, and the book’s two surviving sisters, Claire and Lydia, carry that personal observation about how shared origins produce entirely different people.
I’m the youngest of three sisters, and it has always fascinated me how different we all are, even though we grew up together. I wanted to explore that dynamic and of course the best way to talk about characters is to put them in a crime novel. Nothing distils personality better than the threat of danger lurking around the corner.
Plotting a crime novel around civilians forced Slaughter to rebuild something she had taken for granted across more than a dozen books. The problem was not tone or pace but access: every scene where Claire or Lydia learns something new required a credible reason for two grieving, non-professional women to be there at all.
I had to look at the story in a different way, because I was writing from the point of view of characters who are not cops. With my other novels, I didn’t really grasp how much easier it is to write police officers, because they have a reason to be at crime scenes and interrogate suspects and follow clues. So, writing from Claire and Lydia’s perspective, I had to find believable ways for them to be caught up in the central crime story, and for them to take reasonable steps toward figuring out what was really going on. I didn’t want it to be ‘two feisty gals solvin’ a mystery!’
The letters from the sisters’ dead father, Sam, which appear as chapter-break interruptions throughout the novel, were not part of the original design. Slaughter added them during a structural rethink, after recognizing that the darkness of what Claire and Lydia discover needed a counterweight the plot itself could not supply.
The idea for the letters came late in the process. I was thinking about the overall structure of the novel, and I had this lightning bolt hit me that I needed an anchor of kindness to all the bad things Claire and Lydia discover. Though their father is dead, I needed a way for us to hear from him, to understand what really happened — Claire and Lydia are unreliable about Julia’s disappearance because they were kids — and to fully grasp the sense of loss that wrecked this family.
In The Big Thrill interview she went further, saying Sam reminds her of her own father and that she considers him the true heart of the book.
Claire, one of the two surviving sisters, spends her days as a wealthy man’s wife with no professional identity. Slaughter knew that framing would trigger instant assumptions in readers, so she routed Claire’s intelligence through a specific craft choice rather than through the plot.
Yes, she’s a Tennis Wife and she has a rich husband and she spends her day making busy work for herself, but her mind is very sharp, and she has a wicked sense of humor, and I wanted the reader to understand that even though we make snap judgments about stereotypes, every person is uniquely themselves.
The book was conceived as a standalone from the start, and that decision shaped how much structural risk Slaughter was willing to take. Writing outside a series removed the obligation to deliver a protagonist who survives intact for the next book.
You can have the characters deeply affected by the events in the book, knowing you don’t have to continue with them on their journey after this horrible thing happened. You can take risks with the characters and their development in a standalone novel.
Sam Carroll’s letters were added to solve a structural problem, but they became something more personal in the writing. The synthesis records that Slaughter said he reminds her of her own father, which adds weight to her description of him as the book’s true heart.
He reminds me a bit of my own father. I consider him the true heart of the book.
Slaughter’s own position as the youngest of three sisters is not background detail she keeps at arm’s length. The architecture of Pretty Girls, two women who grew up in the same house and became strangers to each other, came directly from watching that divergence happen in her own family.
I’m the youngest of three sisters, and it has always fascinated me how different we all are, even though we grew up together. I wanted to explore that dynamic and of course the best way to talk about characters is to put them in a crime novel. Nothing distils personality better than the threat of danger lurking around the corner.
Pretty Girls keeps its focus not on the investigation but on what the Carroll family becomes in the two decades after Julia’s disappearance. Slaughter’s stated aim was to map that process of destruction and, in some cases, partial repair.
I envisioned writing a story about how crime tears people apart and sometimes brings them back together. The two sisters, Claire and Lydia, grew up in the same house. Each lost their older sister, each lost their parents (in various ways), and they both became very different adults.
Female-on-female harm is rarely the main engine of a crime thriller. Slaughter placed it at the center of Pretty Girls deliberately, treating psychological damage as its own category of violence rather than a softer variant of it.
As a theme, I wanted to talk about the fact that women can damage other women, too; sometimes, more meaningfully. Psychological torture takes longer to heal than a bruise or a cut.
Slaughter is frequently challenged on the graphic violence in her work. Her answer reframes the question: the discomfort a reader feels is not a side effect of the writing but the point of it.
Not talking about these crimes only helps the perpetrator. I want to be honest and unflinching about the bad things that happen to open up a greater conversation about why we as a society are not doing more to stop them.
That commitment to honesty about violence sits alongside an equally firm commitment to readability. Slaughter resists the idea that social weight and entertainment are in tension.
While I talk about social issues, I always make sure that you can just read the book for fun. It’s not my job to educate anybody. There’s a lot of tension in the book, a lot of humor, some dark parts and an ending that I think will surprise a lot of people.
Slaughter built change into Pretty Girls as a structural requirement, not an option. By the time Claire and Lydia reach the end of the book, they have discovered things that make their earlier selves impossible to return to, and Slaughter wanted that transformation to feel as consequential as any plot resolution.
I made a purposeful choice that the characters you meet in the first few chapters would have some sort of evolution. They would not be the same people they were at the beginning of the book. I think that’s another important aspect of crime — people change because of it. I wanted very much to include that in the arc of the story.