ABOUT THIS PODCAST 🔗
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.
Hosts:
Update frequency:
every 4 days
Average audio length:
13 minutes
en-us
United States
21 episodes
since May 2, 2026
episodic
LATEST EPISODE 🔗
What happens when a routine real estate photo shoot accidentally puts you in the crosshairs of a G7 security detail?
In the fall of 1994, Chris Lengquist was transitioning out of the high-stakes world of surveillance to focus on delivering legal papers and building his photography chops. It was sup…
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PREVIOUS EPISODES 🔗
The Invisible Paths: A 4th of July Escalation at Lake Missouri
A missing child, a snap judgment, and the hard reality of what happens when a crowd turns its gaze on you.
It’s the Fourth of July, 2026. Cal Brink is sitting on an eastern cove of Lake Missouri, surrounded by patriotic crowds, slow-rol…
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 Assignm…
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 sud…
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 finaliz…
The Behavioral Tells of a Clumsy Delivery
When a target vows he will never be caught, an investigator can't rely on brute force. You have to rely on human nature.
It’s an early morning in Maryland, and a young process server is staring down a difficult assignment. The subject is a 235-pound co…
Behind the Writing of Notice of Assignment
What happens when an author pulls back the curtain and breaks down a manuscript line by line? You find out exactly where the fiction stops, and where real life begins.
Today, we are taking you inside the engine room of the creative process. With the debut …
The Swedish Ambassador’s Library: Status Drops and Hidden Lineage
In a city run strictly on power, money, and status, the hired help is usually completely invisible. But one night in 1991, the rules of Washington, D.C. were completely broken.
It’s 1991, and I was working as supplemental security …
Writing a complete book is a weird, nerve-wracking, and exhilarating feeling. But the milestone is officially locked in.
Today, we are pulling a wildcard. Rather than our usual Wednesday case file, this episode brings a massive announcement: The debut Cal Brink novel is officially written, finished…
The boot trucks were like prowler subs
In the high-stakes game of mobile surveillance, the biggest threat to a private eye isn't a blown cover. Sometimes it’s a city parking enforcement officer.
Following a subject through the crowded, chaotic streets of Washington, D.C. in the late 1980s requ…
Disclaimer: The podcast and artwork embedded on this page are from Chris Lengquist, which is the property of its owner and not affiliated with or endorsed by Listen Notes, Inc.
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