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Behavioral Detective

Behavioral Detective

Written by: Chris Lengquist
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Everyone's hiding something. After nine years as a Washington DC process server and private investigator, I got pretty good at finding it. Now I'm writing everything down: true stories, crime fiction, and everything in between.

The Behavioral Detective.

True(ish) stories on Sundays. Fiction on Wednesdays. Give it one episode. Just one.

True crime adjacent with a real estate bent.

© 2026 Chris Writes, LLC
True Crime
Episodes
  • Turning the Mic on the Detective: An Author's Conversation with his Wife
    Jul 1 2026

    What happens when the person who knows you best sits down to cross-examine your writing? The truth bleeds right onto the page.

    For twenty-five years, Chris Lengquist has been telling gritty, observant stories from his days in the investigative trenches. But with his debut novella, Notice of Assignment, launching this October, he’s stepping into the world of fiction. To break down how it all came together, Chris hands the microphone to his wife and real-life compass, Marie.

    In this intimate, behind-the-scenes conversation, Marie asks the tough questions: Why write a book now? How much of the emotional toll from the old days made it into the chapters? And what is it like seeing a fictionalized version of yourself—and your marriage—on the page? From the origin of the name 'Cal Brink' to a deep dive into the multi-layered complexities of human behavior, this episode is a raw look at where truth meets the thriller.

    In this episode, you’ll hear:

    • The Behind-the-Scenes Shift: Why decades of true-ish street stories finally evolved into a fast-paced, hard-boiled mystery.
    • The Emotional Toll: Marie’s perspective on the early days of surveillance and how those heavy, unspoken emotions found a home in the manuscript.
    • A Noir Ending and a Christian Reckoning: How faith, behavioral tells, and the stark realities of the real estate industry blend together without being wrapped up in a neat Hollywood bow.
    • Built for the Short Haul: Why Chris prefers writing sharp, succinct novellas and micro-fiction over massive, padded textbooks.

    Key Quote: “Cal Brink lives at the intersection of where truth meets fiction... the truth bleeds into it. And by truth, I mean the emotion, the toll, and the considerations.”

    Join the Discussion: How do your own life experiences bleed into the work you do? Leave a comment and join the late-night debrief at CalBrinkFiles.com.

    Read the First Four Chapters Free: Beat the October rush. Head over to CalBrink.com right now to download the earliest chapters of Notice of Assignment and see the street science in action for yourself.

    New episodes of the Behavioral Detective Podcast release every Wednesday and Sunday.

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    11 mins
  • True Crime Process Server Story: He Shot at Me
    Jun 28 2026

    What happens when a standard, low-key daylight process service turns immediately hostile? You find out exactly how your body burns off adrenaline.

    It’s 1988 in Hyattsville, Maryland. A young process server executes a routine, non-confrontational delivery to an office building off Route 1. But a sudden pivot past a receptionist leads straight into a hostile office, a flash of movement in a desk drawer, and a loud gunshot echoing through the parking lot.

    Decades later, Chris breaks down the anatomy of a shooting, analyzing the tactical errors of a young investigator, the distinct behavioral differences between an on-edge rookie cop and a veteran state trooper, and the ultimate reality of self-preservation in the field.

    In this episode, you’ll hear:

    • Bypassing the Gatekeeper: The tactical choice to walk past reception to avoid a public spectacle—and the unintended hostility it triggered.
    • The Physics of Fear: How an immediate flood of adrenaline forces the body into a steady, uncontrollable vibration.
    • Rookie vs. Veteran: Dissecting the body language and verbal tells of responding officers under pressure.
    • The Ultimate Weapon: Why carrying a firearm isn't always the answer to self-preservation when things go sideways.

    Key Quote: “In each occasion, it was my brain that got me out of the situation. Alive. Or luck. Or Godly intervention. You decide.”

    Join the Breakdown: Did the target shoot to hit, or was it a display of anger? Share your thoughts on the street science by leaving a comment at ProcessServerChronicles.com.

    Notice of Assignment: Get the first four chapters over at CalBrink.com

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    17 mins
  • Behind the Writing of Notice of Assignment: An Author Offers Insight
    Jun 24 2026

    Part 2 of Chapter One: Blue Ink, Hidden Clues, and Real Estate Truths

    NOTE: I was traveling and the audio was recorded in the Thunderbird Lodge at Grand Canyon National Park. Sorry, but the audio isn't the best.

    In the world of real estate, a title closing table is where dreams are finalized. In a crime thriller, it’s exactly where the trap gets set.

    Today, we are heading right back into the manuscript engine room for the conclusion of Chapter One of the upcoming Cal Brink thriller, Notice of Assignment. It's Friday, August 13th, 2010. The Great Recession is in full swing, and Cal is picking through the bones of a broken housing market to lock down a downtown Kansas City investment property.

    But as the blue ink flows, author Chris Lengquist pulls back the curtain on the raw, deeply personal elements of his own life woven into these pages. From a tribute to the unsung, sharp-witted heroes running the country's title desks to a heavy, transparent reflection on family scars, miscarriages, and the distinct behavioral profiles that keep a marriage intact, this episode explores the thin line where a real life becomes fiction. Pay close attention—there is a subtle clue planted just 1,200 words into this book that you’re going to want to dog-ear for later.

    In this episode, you’ll hear:

    • The Heroes of the Closing Table: A look at why title closers are the most underappreciated, emotionally adaptive players in the entire real estate industry.
    • The 1,200-Word Plant: A sneak peek at a single line about a D.C. lawyer that sets the entire trajectory of the Cal Brink files in motion.
    • Simplifying the Page: The difficult creative decision of channeling the profound impact of four real-life children into a single fictional character.
    • A Look at Human Behavior Types: Dissecting the high-D/high-C DISC profile system, the transactional "Done, Next" mindset, and learning to read the quiet warning signs we usually ignore when we are in motion.

    Key Quote: “America’s answer to everything was to create more paper and longer words... Everything is fine. Until it’s not.”

    Join the Discussion: What line from Chapter One landed the hardest for you? Head over to CalBrinkFiles.com to read along, see the full breakdown, and share your take in the comments.

    Become an Early Reader: Don't wait until the official October launch. Head over to CalBrink.com right now to become an early reader and instantly unlock the first four chapters of Notice of Assignment.

    New episodes of the Behavioral Detective Podcast release every Wednesday and Sunday.

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    24 mins
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