Behavioral Detective

Epizodai

• 
  Do Not Destroy That Film: Unexpected G-Men 19.07.2026 12min

  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 supposed to be a quick, productive afternoon in NW Washington, D.C.—nine house exteriors photographed, two summonses served, and just one more property to shoot in the elite, embassy-lined neighborhood...
• 
  Missing at Lake Missouri: A Cal Brink Files Short Story 12.07.2026 19min

  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-rolling pontoons, and the smell of a neighborhood pig roast. It looks like a classic slice of Americana—until the frantic calls for a little girl named Ava begin to echo over the water. In a matter of ...
• 
  Turning the Mic on the Detective: An Author's Conversation with his Wife 01.07.2026 11min

  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, b...
• 
  True Crime Process Server Story: He Shot at Me 28.06.2026 16min

  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 ana...
• 
  Behind the Writing of Notice of Assignment: An Author Offers Insight 24.06.2026 24min

  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 B...
• 
  Private Investigator Ruse: A Clumsy Delivery 21.06.2026 11min

  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 corporate boss tucked behind a secure, three-story office building, and he has let everyone know he refuses to be served. Bypassing a locked back door and security guards means executing a classic piece of...
• 
  Inside Chapter One: The Gray Area Where Truth Meets Fiction 17.06.2026 16min

  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 Cal Brink novella, Notice of Assignment, officially wrapped and marching toward an October release, this episode features an exclusive look at the first two-thirds of Chapter One. But we aren't just...
• 
  Invisible in D.C.: A Lesson in Authenticity at the Swedish Embassy 14.06.2026 12min

  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 as an armed driver for a high-society event at the Swedish ambassador’s residence. In the DMV ecosystem, if you aren't a power broker, you're a ghost. I knew the drill. Well, until the ele...
• 
  My First Book Has Been Sent to the Editor: Notice of Assignment 11.06.2026 7min

  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, and sitting in the hands of a powerhouse editor. Stepping out of your comfort zone to put yourself out there is a daunting process—especially when your editor has shaped books for major authors li...
• 
  DC Parking Enforcement: 1980s Fieldcraft of a Former Private Investigator 07.06.2026 11min

  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 required intense focus. But keeping a target vehicle in sight was only half the battle. The real nightmare started when the subject finally found a rare parking spot downtown or in Georgetown, leaving an inv...
• 
  The Russian Federation's White Ford Taurus 03.06.2026 7min

  The perfect surveillance vehicle doesn't turn heads—it disappears completely. But sometimes, an invisible car has a history straight out of an espionage thriller. It’s 1994, and Cal Brink is finally ready to upgrade his legendary, two-door Ford Escort. At 234,000 miles, the Escort is a surveillance tank, but it leaks fluid like a sieve. With a new baby to haul around, Cal needs space, four doors, and—most importantly—absolute anonymity. In the DMV area, nothing hides in plain sight quite like...
• 
  The Red Line Recruiter: Spycraft on the DC Metro 31.05.2026 7min

  In the trenches of Washington, D.C. during the late 1980s, the line between routine legal work and international espionage was razor-thin. Picture the Red Line Metro plunging into the underground at thirty miles per hour. I'm sitting on the orange plastic seats, a stack of legal summonses in one hand and a copy of the Russian newspaper Pravda in the other. I'm just trying to remember the language—until a controlled, stoic man in an expensive suit leans in and asks a single question in Russian...
• 
  How Appraisal Fraud Happens 27.05.2026 9min

  Most people think real estate fraud started in 2008. But back in 1992, the blueprints for the Great Recession were already being drawn in the front seat of a parked car. Meet George. To the banks, he’s a pristine, reliable real estate appraiser. To a select group of shady investors hiding behind LLCs, he’s a "facilitator." To stop him, Cal Brink had to get his real estate license, learn how to "comp" a property from a top agent in a flamboyant Easter hat, and hit the pavement to map a pattern...
• 
  Joan Jett and BBQ. John Riggins in an Elevator. Meeting DC Celebrities. 24.05.2026 10min

  Expect the unexpected. In this special episode of the Behavioral Detective, Chris Lengquist shares what happens when a life in investigation collides with cultural icons out of left field. Step back into Washington, DC in the late 1980s for two completely different celebrity encounters. First, a high-stakes lesson in behavioral architecture and power dynamics on K Street with legendary Super Bowl MVP John Riggins. Then, a lesson in raw, comfortable baseline energy while slingin' pork from a b...
• 
  Charlie Had a Dinosaur (continued): Chapters 3, 4 and 5 20.05.2026 16min

  The Underground Offer: Kojak, Quick Cash, and a $50 Contract Chapters 1 & 2 were published on May 13, 2026 The exit ramp from a predictable 9-to-5 rarely looks like a corporate ladder. Sometimes, it looks like a dive bar and a stack of legal papers. Following a chaotic Wednesday night delivery shift, Cal is back at the Ford dealership, up-selling wiper blades and dreaming of a way out of the 15-hour-day grind. But Tommy—the mysterious private investigator who masterfully controls parking ...
• 
  The Bag Phone: Low Tech Tracking in a High Stakes Serve - Case File #022 17.05.2026 11min

  Before GPS and smartphones, process serving was a game of quarters, paper maps, and pure imagination. It’s late 1988, and I'm staring down a "rush" subpoena with no apartment number, no vehicle description, and a deadline that could sink a defendant’s case. With the clock ticking and the Washington, DC rush hour traffic working against me, I had to get creative. In this episode, we revisit the era of the "Bag Phone"—a $2,500 piece of cutting-edge tech that was more prestige than utility. You’...
• 
  Charlie Had a Dinosaur : Chatpers 1 & 2 13.05.2026 11min

  Sometimes, the best career opportunities don’t come from a job board. They come from a dark parking lot at 10:00 PM. In this episode, we meet Cal, a pizza delivery driver just trying to make ends meet for his new wife. A Wednesday night shift takes a dangerous turn when a botched robbery attempt leads to a chance encounter with a mysterious man named Tommy. Cal quickly learns that his ability to handle pressure and talk his way through a door is worth a lot more than a one-dollar delivery tip...
• 
  He Had a Badge. I Had an Attitude. - Case File #034 09.05.2026 7min

  He Had a Badge, I Had an Attitude Case File #034 PARENTAL NOTE: This episode has adult language. Twenty minutes. That's how long a Prince George's County police officer made me wait behind bullet-proof glass while he ate his lunch. Slowly. Deliberately. Making eye contact every few bites. When I finally served him the subpoena, I might've muttered something under my breath on my way out. Or maybe I just thought it. Either way, he heard about it. What happened next? A parking lot confrontatio...
• 
  Traci Brown: Body Language Expert Interview 08.05.2026 32min

  Decoding Deception with Traci Brown Can you spot a lie before the first word is even spoken? In this episode of the Behavioral Detective, Chris dives into "Street Science" with Traci Brown, the world’s #3 body language expert. From her time on the U.S. National Cycling Team to training with FBI and law enforcement professionals, Traci reveals how high-stakes pressure exposes hidden "tells". Learn why body language doesn't scream—it leaks—and how to monitor stress indicators like blink r...
• 
  Professional Stalker 03.05.2026 7min

  My name is Chris Lengquist. I spent nine years as a process server and private investigator in Washington, DC, Maryland and Virginia. From 1987 to 1995, I knocked on doors people didn't want knocked on, followed people who didn't want to be followed, and documented things people desperately wanted kept quiet. Then I moved to Kansas City, picked up a real estate license, and spent the next twenty-five years doing essentially the same thing: reading people, finding the truth buried underneath w...