Broken Shields

Kat Booker Mysteries #1

by Elliot Stone

In the shadows of Mare Island, loyalty is a death sentence.

Tideview, California, is a city of rust and secrets, tucked away in the San Francisco Bay Area. When a local police officer is found murdered at the historic Dry Dock 4, the department demands a quick arrest to keep the peace.

IA Detective Kat Booker doesn't do "quick." She does the truth.

The evidence is gift-wrapped, the suspects are too convenient, and the official narrative is a lie Kat refuses to swallow. As she peels back layers of institutional rot, the investigation drags her into the industrial graveyard of the old naval shipyard—the same docks where, twelve years ago, her own life was shattered.

Kat isn’t just hunting a killer; she’s taking on the people who run the city. With a Police Chief closing ranks and a Mayor pulling strings, Kat is no longer just an investigator. She’s a liability.

In a department where silence is survival and "blue loyalty" is bought, Kat must confront a betrayal that cuts deeper than any bullet. What happened to her all those years ago wasn't a tragedy. It was a hit. And in a city of broken shields, the truth is the only weapon she has left.

399 pages, Kindle Edition

Published March 7, 2026

About the author

I write police procedural mysteries where the obvious answer doesn’t always hold up. Currently working on the Kat Booker Mysteries. The deeper she digs, the worse it gets—for the suspects, the victims, and sometimes for her.

Check out my books here: ElliotStoneUnchained.com

I live and write in Fallbrook, California, tucked among rolling hills with my wife Ruth and our joyful chaos of kids, dogs, chickens, and rabbits. When I'm not chained to the keyboard, I'm usually out in the vineyard pretending I know what I'm doing with wine—or getting thoroughly outplayed at chess.

Reviews

[Kristen C · Rating 4 out of 5]

Elliot Stone puts a solid, grounded spin on the classic mystery with this one. The "broken" aspect of the characters makes the stakes feel a lot more personal, and the small-town secrets are unraveled at a pace that keeps you hooked without feeling rushed. It’s got a great, steady rhythm and a gritty atmosphere that feels really lived-in. If you’re looking for a smart, character-driven whodunit to sink into for an afternoon, this is a great choice.

[Literary Reviewer · Rating 4 out of 5]

Broken Shields opens with Internal Affairs detective Kat Booker being called to Dry Dock 4, where the murdered officer turns out to be Jesse Martinez, her friend and one of the few people in the department she still trusts. From there, the novel widens from a homicide into something nastier: a network of buried evidence, civic corruption, real-estate predation, and old wounds tied to the same dock years earlier. Author Elliot Stone builds the story around grief as much as detection, so the investigation never feels abstract; every clue is attached to a human cost, whether that is Jesse’s family, displaced homeowners, or Kat’s own long-stored sense of failure.

What I liked most is that the book understands a mystery is not just a machine for revealing facts. It’s also a pressure chamber. Kat is convincing because she is not polished into some superhuman sleuth; she is angry, burdened, stubborn, and occasionally held together by thread. Her grief has weight. The early scenes after Jesse’s death, especially the visit to Rachel and the return to Jesse’s empty desk, give the novel a bruised emotional register that keeps the procedural elements from turning sterile. Stone also has a good eye for atmosphere: Tideview feels damp, compromised, and morally mildew-struck, the kind of place where public language and private rot have been living together for years.

I also found the book appealing in the way it keeps shifting suspicion without becoming gimmicky. The planted evidence, Morrison’s unease, sealed files, old explosions, and the sense that Dry Dock 4 is less a location than a recurring infection give the plot momentum. The novel’s real engine is Kat’s refusal to accept the convenient answer. That refusal gives the story its moral voltage. The book occasionally enjoys its conspiratorial layering so much that it skirts melodrama, but even then, it remains readable because the emotional spine is sturdy. I kept turning pages less to “solve” the puzzle than to see whether Kat could force some kind of justice out of a system built to mulch it.

I would hand this to readers who enjoy crime fiction, police procedurals, mystery thrillers, neo-noir, and corruption-driven suspense with a strong female lead and a personal stake in every revelation. Fans of Michael Connelly or readers who liked the institutional grit of The Night Agent’s broader paranoia may find a similar pleasure here, though Stone’s book is more intimate and raw-edged. Broken Shields is for people who want a murder mystery with civic poison in its bloodstream and grief in its lungs.

[Terri · Rating 4 out of 5]

First, let me start by saying that I'm not sure if I'm excited or disappointed with the "unsolved"/cliffhanger ending! I can't wait to read more about Kat Booker and her cases, but I couldn't believe that we didn't get the ending we, the readers were so hoping for, with the case all figured out and all the bad guys getting what they deserved! Even though, I have not read the first book in this series, this author had me invested with every new chapter. Nice details, evidence, character growth and believable storyline.

If you enjoy crime, mysteries, thrillers, strong female leads kicking butt - this book will not disappoint! This is one that is so worth the time! Keep it up, Stone! Thank you!

I was given this book as an ARC through Hidden Gems. The above is my honest opinion and personal views on this book.

[Lauren · Rating 4 out of 5]

When Detective Kat Booker is called to the scene of a homicide, the victim is her friend and fellow police officer Jesse Martinez. Some clues lead to a suspect, but then Kat needs to dig deeper into what Jesse was investigating before his death. The story takes many turns as Kat investigates and tries to follow Jesse’s advice of trusting no one. It also appears that it is not just the death of Jesse that they are investigating, as the clues lead to past events that indicate more is going on in Tideview.
It is a good police procedural that has plenty of suspense to keep you reading. I read the novella, The Weight of the Shield, first to have a better understanding of Kat’s background and relationships. I recommend it as it acts as a prequel to the Kat Booker stories. I received the ARC of Broken Shields from Hidden Gems.

[Tanya · Rating 5 out of 5]

Her life is going to change when a fellow officer is killed and she is given the case to deal with. She quickly realizes they do not want the truth to come to light and gives her keys to her past. She will battle everything to finally get to the truth so see if she does
I received an ad copy from hidden gems and a great crime thriller