False Signals: A Financial Crime Thriller

by William Falk

“She’s dead, Nate.”

Investigative journalist Talia Winters has been murdered. Forensic accountant Nate Shaw is summoned to the scene to interpret the message she left behind—scrawled in her own blood. A final summons from his most brilliant former student. Nate sees the violence and chaos, but his mind retreats to what it knows patterns, anomalies, structure. He is certain the truth is hidden in what she left behind—and unaware of how dangerous that certainty may be.

The trail leads to Sentient Alpha, Wall Street’s revolutionary AI trading platform. Publicly, it generates impossible wealth. Privately, Nate begins to see something more a system capable of engineering financial collapse with surgical precision. Algorithms don’t pull triggers—but markets can be turned into weapons, and crashes can silence people just as effectively.

Nate’s only way forward is through Detective Ana Garcia. Garcia works cases by what can be proven in court. Nate works them by what doesn’t quite add up. Their uneasy partnership is shaped by pressure, mistrust, and constant friction—an alliance tested by secrets neither is fully ready to share. Each step toward the truth sharpens the danger, and every answer raises the cost of pursuing it.

As Nate deciphers Sentient Alpha’s deeper purpose, a disturbing picture emerges. The system isn’t just a tool for profit—it’s a mechanism for power. It can bankrupt a business to force an outcome, erase a witness behind a market shock, or move untraceable money into criminal hands. The conspiracy leaves no fingerprints. Only consequences.

Then Nate realizes the worst truth of his own methods are being used against him. False trails are planted. Misleads are engineered. Every move is designed to exploit his unshakable faith in patterns.

By the time he understands how thoroughly he’s been manipulated, the investigation is already collapsing. The proof won’t surface. The patterns won’t hold. The architects of Sentient Alpha have won—except for one problem. The weapon still exists.

Nate has been outsmarted—but he hasn’t been stopped. To finish what Talia started, he must abandon the methodology that defined his career and follow the one lead the conspiracy can’t the human motive buried beneath the code.

They’ve proven they are smart. Now he has to prove he is smarter.

323 pages, Kindle Edition

Published January 10, 2026

About the author

William Falk writes high-stakes thrillers about the hidden crimes driving corporate America. His novels explore how numbers, algorithms, and financial data can expose corruption—and how far powerful people will go to bury the truth.

With a background in computer science and extensive experience with business operations, Falk approaches fiction through the lens of systems—how companies function, how incentives distort behavior, and how legitimate processes can be quietly exploited. His stories focus on the mechanics of modern power: financial complexity, institutional self-protection, and the small anomalies that signal something is wrong.

Falk’s fiction examines the gap between how systems are supposed to work and how they actually do. Markets, algorithms, and corporate structures form the invisible architecture of the modern economy, and his novels explore what happens when those who understand them best learn how to manipulate them.

His Nate Shaw series follows a brilliant forensic accountant who sees patterns others miss. Nate isn’t a cop and has no authority, but the data doesn’t lie. When anomalies point to fraud, violence, or conspiracy, he follows the numbers—no matter who wants them hidden.

Falk’s work appeals to readers who enjoy sophisticated corporate and crime thrillers in the tradition of Michael Connelly’s investigative depth, Stieg Larsson’s corporate conspiracies, and John Grisham’s legal and financial intrigue. He lives and writes in the southern United States and is currently working on the next Nate Shaw novel.

Reviews

[Stefanie Verhelst · Rating 4 out of 5]

Nate Shaw is the typical data nerd who will solve mysteries and danger through data. Not your typical hero they will knock the bad ones down.

This book can be called a cerebral, mind puzzling and mind blowing thriller.

The suspense goes as a red thread through the story and Nate is navigating between the thin lines as good as he can!

I enjoyed reading this book and will look out for more books from this author in the future!.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.

[Kristen O' · Rating 5 out of 5]

The Murders at Saint Charles Seminary is a clever and entertaining mystery that blends classic whodunit intrigue with humor and a refreshingly unique cast of characters.

The premise immediately stands out a series of murders within the walls of a seminary creates a compelling contrast between a setting associated with peace and the chaos of hidden secrets. This juxtaposition adds both intrigue and a touch of irony to the narrative.

One of the book’s greatest strengths is its trio of protagonists. Father Brendan, Rabbi Ezra, and Pastor Langdon bring both personality and charm to the story. Their dynamic rooted in friendship and playful banter adds a layer of warmth and humor that balances the darker elements of the plot.

The mystery itself is well constructed, filled with twists, misdirection, and a steady escalation of stakes. As the body count rises and suspicion begins to circle closer to those personally connected to the investigators, the tension builds effectively.

The inclusion of Maureen McNeely as a professional detective grounds the investigation, while Father Brendan’s curiosity and puzzle-solving instincts give the story its distinctive voice. The combination of amateur sleuthing and official investigation works seamlessly.

Another highlight is the tone. The story manages to maintain suspense while incorporating lighthearted moments and witty dialogue, making it both engaging and enjoyable to read.

Overall, The Murders at Saint Charles Seminary delivers a satisfying mix of mystery, humor, and character-driven storytelling. It’s an ideal read for fans of cozy mysteries who enjoy clever plots and memorable ensembles.

[Estelle Bouldin · Rating 3 out of 5]

What happens when patterns stop being abstract—and start getting people killed?

This is a smart, cerebral thriller that trusts the reader to keep up—and rewards you for doing so.

Nate Shaw is not your typical action-hero protagonist. He lives in spreadsheets, anomalies, probabilities, and hidden patterns. When his former student, investigative journalist Talia Kinters, is murdered, the story pivots from quiet academic intrigue into something far darker and more dangerous. What unfolds is a chilling exploration of financial manipulation, predictive algorithms, and how power hides in plain sight behind “objective” data.

The tension builds methodically rather than explosively, mirroring Nate’s own analytical mind. The emotional weight—particularly Nate’s guilt, grief, and sense of responsibility—feels earned and human, never melodramatic. Talia’s presence lingers throughout the book in a way that makes her feel fully alive, even in absence.

The novel asks uncomfortable questions about who controls the systems we trust, how easily data can be weaponized, and what happens when truth threatens profit. The line between coincidence and design is constantly blurred, and once the idea is planted, it’s hard to stop seeing “false signals” everywhere—including in the real world.

This isn’t a nonstop-action thriller, but if you enjoy intelligent mysteries, financial or tech-based suspense, and protagonists who think their way through danger instead of punching it, False Signals is deeply satisfying.

[Lindsay T · Rating 4 out of 5]

Nate Shaw is the Robert Langdon of the finance world!

False Signals is not your typical thriller book! This book has you thinking outside the box from page 1.

Nate is a professor of statistics who discovers a previous star student, who is an investigative journalist, has been murdered. He is determined to help solve her murder by brining his statistical and financial thinking mind to the table.

I found this book keeping me on the edge of my seat. I will say I didn't give the book a full 5 stars because I found the first 25% of it to be difficult to get into. It was a little boring and repetitive. I can say I am very happy I stuck with it. The second half of the book kept me on my toes and had you rooting for Nate.

I received an advance review copy for free, and I am leaving this review voluntarily

[Katrina Freckleton · Rating 3 out of 5]

Following on from the first book, Nate is once again in deep with discoviering not only the answers to analytivcal problems, but his own person hold ups as well. I must admit, I did struggle with this one as I found myself skipping ahead as parts repeated such as :Am I missing something? It became a sort of Mantra and some decriptive areas were carbon copies of previous sections.

In saying that, once again the author has brought familiarity into an otherwise unknown world to of data and finance as well as a human element and realsisation that he, Nate also makes mistakes. Not as fast paced as the first but none the less compelling.

Definately need to read the first in the series

I received an advance review copy for free, and I am leaving this review voluntarily.

[Teresa Collins · Rating 4 out of 5]

While I enjoyed the basics of the story, Mr. Falk had his characters, especially Nate, spending too much time at the computer staring at the screen. There was some action outside of the computer research, but not enough for this crime fan. I've learned more about AI and algorithms and how they can be manipulated than I ever wanted to know. But I did finish the story, so that says something. This book would be great for computer geniuses and those who are fascinated by financial crimes. So, would I recommend the book, and will I try anymore of Mr. Falk's work? That's a yes to both questions. I won't give up yet. I received a review copy from the author via BookSirens, and this review reflects my honest and voluntary opinion.

[Carol Stefanik · Rating 3 out of 5]

This book could have been written in about half the number of pages. Certain scenes are repeated over and over. Nate Shaw is described as a brilliant forensic accountant but in this story he repeatedly overlooks or misses critical information and has to go back through the data again. And again. And personally, just mess his hair up once. He never sleeps and operates on an overload of caffeine. The hair is never going to behave. I do like his relationship with Garcia. She adds a great deal to the story line.

I received an advance review copy for free, and I am leaving this review voluntarily.

[Don Gorman · Rating 3 out of 5]

(2 1/2). It took me quite a while to like this book. The opening chapters were really weak, and I was turned off by the never ending references to Nate Shaw’s (our protagonist) blurred. or burned out eyes from too much monitor viewing. Spilling drink or coffee all over. Himself or his work repeatedly was also a turn off. But the action was steady, the layers unseeing worked well and our main side character was solid. I will be kind to mark it up to 3 stars. I will not be inclined to go to a second offering in this franchise. OK stuff.

[Fatima Salih · Rating 5 out of 5]

False Signals is not your everyday thriller. It's sharp and intelligent. The book pulls you in from the first page and holds you there. It's a blend of financial investigation that explores the power, trust, and consequences when the power is left unchecked. It’s a smart, engaging read that rewards attention without ever overwhelming the reader.

[Michelle Webb · Rating 3 out of 5]

This book was good and I enjoyed it. Nate Shaw is a nerd who can solve mysteries through data. Being a data nerd usually seems like a draw back but when it comes to data Nate is King. The book will keep you guessing and twisting along. Great read.

[Cheryl Tabor · Rating 3 out of 5]

Was not my kinda book. Too many AI plots out there. Though some may find this interesting.

[Rene Dupre · Rating 3 out of 5]

Hard to make forensic analysis of data interesting, so this story kind of lagged for me. I still enjoyed the story.