PODCAST · education
The Deductionist Podcast
by ben cardall
Look no further, dear listener, for The Deductionist podcast is here to sharpen your deductive skills and blow your mind with its clever insights.Hosted by the charming and enigmatic deductionist himself (HA!) and the Watson of awesomeness! Each episode is a masterclass in observation, deduction, and logic, as they take you on a journey through the mysteries of everyday life.From analyzing crime scenes to decoding the hidden meanings in social interactions, The Deductionist podcast brings a fresh and witty perspective to the art of deduction. With a razor-sharp mind and quick wit...ish, they'll have you hooked from the very first episode.So join us as we explore the secrets of the world around us, and learn how to become a master of deduction like the one and only Deductionist. It's time to uncover the truth and take your deductive skills to the next level. Don't miss a single episode of The Deductionist podcast! Hosted on Acast. See acast.com/privacy for more information.
Episodes
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How Romance Scams Really Work | Forensic Linguist Dr Elisabeth Carter
The evidence in a romance scam is all there in writing. Every message, every apology, every “be careful, there are scammers on here” sits in the chat log like a frozen crime scene. Dr Elisabeth Carter, criminologist and forensic linguist, reads those crime scenes line by line, by hand, and she...
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How to Tell If Someone Is Lying...ish (Microexpressions Won't)
Spotting lying, we are told is just Somebody freeze framed a grieving parent's face, announced "duping delight" to four million followers, and the comment section returned a verdict before the police did. The lie detection science says that person was running on a coin flip with a ring light. Ben...
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The Real Life Sherlock | Solving Cain's Jawbone Ep 5 | Just Like Everyone
Many a true word is spoken in jest and only some of them from Sherlock. Except on page eighteen of Cain's Jawbone, where it isn't. One word has been swapped, and I read straight past it three times. This is episode five of my live attempt to solve Cain's Jawbone, the 1934 literary murder puzzle…
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The Real Life Sherlock | Cain's Jawbone Ep 4 | Trust No One
Cain's Jawbone is a 1934 literary puzzle by Edward Powys Mathers, pen name Torquemada. 100 scrambled pages, six murders, no key, no instructions, and only four verified solutions in ninety years. In a bid to live up to the the Real Life Sherlock title I have been given. Professionally, on stage…
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He Ran the UK's Fraud Squad. Now He Fights AI Fraud
Ai is here and David Clarke spent his career catching fraudsters, first as a City of London Police Fraud Squad chief, then building the National Fraud Intelligence Bureau from the ground up. Now he's watching artificial intelligence industrialise the exact crime he built his life around stopping....
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Dark Triad At Work: How To Spot A Manipulator
Your best performer might be running on narcissism, Machiavellianism, or psychopathy, and the org chart rewards it. This is the Dark Triad without the textbook, applied to the office and the relationships you can't just walk away from. In this episode: - What the Dark Triad actually is, and what…
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Nudge Theory: How Choice Architecture Runs Your Life
You didn't choose that option. Something built the room you chose it in, and it built the room before you walked in. In this episode: – What choice architecture actually is and why nudge theory changed behavioural economics – The organ donation study that proves a default can move outcomes by 75...
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The Real Life Sherlock | Cain's Jawbone Ep 3 | Can't Cheat This
I have been called a Real Life Sherlock by many folks I respect within Law Enforcement. Cain's Jawbone is the puzzle that gets to decide if that's actually earned. In 1942 a crossword got too easy, so the Daily Telegraph built one vicious enough to recruit five strangers into Bletchley Park…
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Close Protection Is Observation, Not Action
Everyone thinks close protection is the suit, the earpiece, the guy scanning a crowd like he's in a Statham film. It isn't. It's advance work nobody sees, a plan already three versions deep before the principal arrives, and hundreds of hours of nothing happening on purpose. Jim Wenzel joins The...
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What Actually Predicts Divorce (According to the Divorce Doctor)
Sherlock built his method on reading behaviour before anyone spoke a word. Turns out marriages run on the same evidence. Sue Palmer Cole, the divorce doctor and founder of the Divorce Academy, joins Ben and Bob to break down what actually predicts whether a relationship survives, and it isn't...
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Solving Cain's Jawbone | The Man Who Built The Trap w/Real Life Sherlock (Ep 2)
Before you can solve the world's hardest literary puzzle, you need to understand who built it and why. Edward Powys Mathers was a Persian poetry translator who spent thirteen years setting cryptic crosswords for the Observer under a pseudonym borrowed from history's most enthusiastic torturer. In...
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Why "Limited" Breaks Your Brain
"Only 3 left." "Offer ends tonight." Your brain doesn't ask if it's true, it just reacts. This episode breaks down exactly why manufactured scarcity works and how to spot it before it spots you. In this episode: - The real psychology behind scarcity and loss aversion (Kahneman, Cialdini) - Why...
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Zachary Elwood (People Who Read People) on Poker Tells and Why Most Body Language Advice Is Wrong
Poker tells made Zachary Elwood's name, then made him a skeptic of his own industry. Zachary Elwood, host of the People Who Read People podcast and author of the Reading Poker Tells trilogy. Join us as dig into what years of high stakes poker actually proved about deception, why most popular body...
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Cains Jawbone: 100 Pages. No Order. Six Murders Part 1
Cains Jawbone is a 1934 literary puzzle by Edward Powys Mathers, pen name Torquemada. 100 pages of dense prose, six murders, six murderers, printed deliberately out of order with no map, no key, and no instructions. The number of possible arrangements is 9.3 followed by 157 zeros. Only four…
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The Likeability Algorithm: How Trust Gets Manufactured Before You Notice
Trust is not something you give. It is something that gets taken, using documented mechanisms, before you have processed a single piece of evidence. Ben Cardall and Bob Pointer map the full architecture of manufactured likeability: the Halo Effect, affinity bias, the chameleon effect, the Liking...
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Lie Detection vs Investigative Interviewing: The Truth
Lie detection has been the wrong goal all along. Mark Anderson spent decades in law enforcement, and his conclusion is blunt: the mindset you carry into an interview matters more than any signal you think you're reading off someone's face. In this episode: Why curiosity over certainty is an...
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Disclaimers and Critical Thinking With Kent Axell
Most people think critical thinking means finding the right answer faster. Kent Axell has spent a career proving it means knowing exactly which doors you're closing behind yourself, and why that distinction changes everything from a Las Vegas stage to a jury room. In this episode: Why magicians...
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What's Actually Driving You (And Why You're Probably Wrong About It) w/Pete Rushmer
Pete Rushmore built a business, hit the metrics that were supposed to mean something, and felt nothing. Not because he failed. Because the vision he was chasing was answering a question he'd never actually asked. This episode follows the performance trifecta he developed out of that realisation:...
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221B - Where This Goes Next with the Sherlock Holmes Skillset
221A was the case so far. The evidence reviewed. The record examined. 221B is the next chapter. And if you have been listening, you already know the case is getting bigger. In this solo episode, Ben maps the forward trajectory of The Deductionist. Not predictions. Not promises. A reasoned...
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The Zoologist Who Cracked the Human Code (And Nobody Gave Him Enough Credit)
Desmond Morris spent 98 years watching humans the way scientists watch animals. No assumptions. No sentiment. Just systematic field observation turned into a working method. If you have ever read a room, clocked a liar, or known something was wrong before you could explain why, some version of...
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Conditioning, Cults, and Coffee Shops: The Science of Invisible Control
You think you're making free choices. You're not. In this episode, Ben and Bob break down the psychology of behavioural conditioning and show you exactly how it operates on your decisions, your habits, your spending, your compliance, and your relationships without you ever noticing. From Pavlov's...
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221 Episodes of Deduction: What Sherlock Holmes Taught Me About the Human Mind
221 episodes. One question that started it all: is brainy really the new sexy? In this milestone retrospective, Ben revisits the full arc of The Deductionist podcast. What began as a question about intelligence versus the performance of intelligence has grown into one of the most scientifically...
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The Quiet Ones Are Watching You: What Humility Reveals About Behaviour
What if the quietest person in the room is also the most dangerous observer in it? In this episode, Ben and Bob are joined by leadership coach Marcel for a conversation that cuts straight to the behavioural mechanics of humility. Marcel can be found https://www.linkedin.com/in/marcelvandehoef/…
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What the Music in Someone's Ears Tells You Before They Speak
Music can be heard before your subject says a single word, they've already told you something. You just have to know what to listen for. In this episode, Ben and Bob Pointer break down behavioural assessment through music: what people choose to listen to, how they listen, and what that reveals...
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Your Music Taste is a "Window" into Your Brain (Here’s Why)
Does your music taste reveal your "emotional architecture"? In this episode, we dive into the neuroscience of why we love certain songs and how your private playlist reveals the person you're trying to hide . We explore the fascinating world of Neural Entrainment and why the human brain acts as a...
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The Manosphere’s Logic Problem: A Sherlock Holmes Case Study
Sherlock Holmes could have walked in but we got chapmion, Louis Theroux walking into the manosphere with am @Netflix camera and a quiet voice, but what he found wasn't a movement of strong men it was a room full of people who had stopped thinking and replaced it with certainty. Sherlock Holmes...
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Music and Memory: The Science of Why Old Songs Control Your Emotions
What if the music you loved at 15 never stopped shaping how you think, feel, and connect with people? In this episode, we explore one of the most underrated forces in human psychology and the music encoded into your nervous system before you even had a choice. We're talking about why a song from…
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The Emotional Recession: 166 Countries Just Confirmed We're Getting Worse at Being Human
A 2025 peer-reviewed study published in Frontiers in Psychology surveyed 28,000 adults across 166 countries, and found that global emotional intelligence scores have dropped by nearly 6% since 2019. That's the same window we normalised remote work, survived a pandemic, and rebranded burnout as a...
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The Cult of Cake & The Psychology of Betrayal
Why do loyal customers suddenly turn into your harshest critics? In this episode, we break down the psychology behind negative reviews, expectation management, instant gratification culture, and why one small mistake can trigger outrage, even after years of great service. From the “cult of cake”...
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The Inference Cycle: How to Think Like an Elite Investigator
Most people don’t investigate. They react. In this episode, we break down the Inference Cycle, the psychological defence system elite investigators use to prevent confirmation bias, emotional reasoning, and premature certainty. From early inquisitorial systems to Joseph Bell (the real-life...
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Quiet Quitting Is NOT What You Think (Psychology Explained)
Is quiet quitting really laziness… or is it a nervous system response? In this episode, we break down the psychology behind “quiet quitting” and why most organisations completely misunderstand what’s actually happening. We explore: The real meaning of quiet quitting Burnout vs boundary setting...
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You’re Reading Wrong (Train Your Brain Like Sherlock Holmes)
Most people read. Very few observe. In this episode, we break down how Sherlock Holmes may turn reading into a tool for: Sharpening observation Training memory Strengthening reasoning Improving emotional regulation Building real pattern recognition Sherlock Holmes wasn’t a genius. He was...
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Why Silence Feels Rude (And Why That’s a Cultural Illusion)
Why does silence feel awkward to some people… and respectful to others? In this episode, we break down one of the most misunderstood aspects of human communication: high-context vs low-context cultures — and how it shapes what we perceive as politeness, rudeness, confidence, or even arrogance.…
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When Confidence beats truth
Why do people double down when their heroes are exposed? Why do some influencers build cults while others build communities? In this episode, we unpack the psychological mechanics of cult-like behaviour, from groupthink and moral transgressions to the seductive power of certainty. From influencer...
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The Curse of Cleverness: Why Smart Minds Fall for Dumb Ideas
Intelligence is a gift, but is it also a trap? In this Holmesian deep dive, we dissect how smart people, the quick thinkers, articulate explainers, and mental athletes, fall for the most obvious nonsense. From the argument advantage trap to narrative addiction and memory distortion, we expose the...
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Can AI Ever Understand Humans? A Raw Conversation on Behaviour, Emotion, and the Rise of Machine
In this powerful episode, we dive deep into the human-AI divide, exploring why artificial intelligence still can’t truly understand human behavior, emotion, or context. From behavioral assessments to AI-generated music and therapy bots, our hosts unpack what machines still miss about what it…
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How to Think Like Sherlock Holmes at Christmas – The Blind Box Protocol
Unlock your inner detective with the Blind Box Protocol, a forensic, Sherlock-Holmes-style deduction game designed for the holiday season. 🎁 In this gripping episode, we explore how to analyze wrapped gifts using observational psychology, behavioral profiling, and real-world deduction tools...
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Why We Lie to Protect Others (And Ourselves)
Is telling a white lie always the kind thing to do? In this episode, we explore pro-social lying — the kind of deception people use to preserve harmony, protect feelings, and avoid conflict. But is it always harmless? Or are we often just protecting ourselves from discomfort? Topics include: The...
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Mademoiselle Holmes: How France Reimagined Sherlock
What happens when France inherits Sherlock Holmes? In this episode, we analyse @TF1 Mademoiselle Holmes, a French crime drama inspired by the legendary detective. But this isn't just another quirky procedural, it's a reimagining of behavioural intelligence, cultural identity, and cognitive...
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How Power & Warmth Shape Every Conversation
What if you could map human behaviour in real time, and predict how people will respond, shift, or resist you in a conversation? In this episode, we dive into the Leary Circumplex, a psychological model that helps decode interpersonal behavior across dominance, submission, warmth, and hostility....
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Sherlock Holmes vs The Internet
What would Sherlock Holmes think of social media? In this episode, we explore how the legendary detective’s methods of deep logic and keen observation completely clash with today’s fast-paced, dopamine-fueled internet culture. Would Holmes see TikTok as a threat to critical thinking? Is social...
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Game Theory is Controlling You (Without You Knowing)
In this premiere episode, we uncover how game theory is secretly running your life from the way you shop online, to how you're influenced in interviews, negotiations, and even everyday conversations. Discover the psychology behind decision-making Hear real examples from mentalists, law…
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Why Smart People Fall for Obvious Lies – The Traitors Finale Breakdown
Why do we trust people who are clearly lying? In this episode, we break down The Traitors UK finale through the lens of behavioral science, psychology, and game theory. From Alan Carr’s sneaky laugh to the final betrayal, we explore why even smart people misread deception — and what it says about...
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Why Modern Sherlock Fails: The Death of Genius in a Relatable World
In this episode, we explore why nearly every modern reboot of Sherlock Holmes, from Enola Holmes to The Irregulars, gets it wrong. What made Holmes timeless wasn’t the hat, the pipe, or the aesthetic. It was the archetype: the emotionally detached mind confronting chaos. We unpack how recent...
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How Neuroscience Unlocks Human Resilience Under Pressure
In this episode, we dive deep into the intersection of neuroscience and behavioural science to explore how our brains respond under stress and what that means for performance, protection, and personal growth. From the fear vs. control circuits to stress-induced behavioural shifts, discover...
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You’re Being Hunted...How to Wake Up Before It's Too Late
In this episode, we dive deep into the disturbing truth about how disconnected we've become from ourselves, from each other, and from the world around us. With stories of phone snatchings, split-second decisions, and lost presence, this episode is a wake-up call to reclaim your awareness before...
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Why Most Investigation Interviews Fail...And What to Do Instead
What if the key to better investigations isn’t more pressure but more empathy? In this powerful premiere, we unpack The Clarity Code, a new framework for ethical interviewing and investigative conversations built for law enforcement, corporate security, and beyond. We explore: Why traditional...
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We’re Offloading Our Humanity One Chatbot at a Time
In this episode, we dive deep into the uncomfortable truth about AI chatbots. They're helpful, yes but are they also replacing real human connection? From cognitive offloading to emotional dependency, we explore the psychological fallout of treating machines like therapists, friends, and mentors....
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Reading Like Sherlock: A Process for Finding What’s Worth Your Time
Everyone asks the same question: What do you read to think like Sherlock Holmes? But the real skill isn’t in memorising book lists it’s in learning how to decide what’s worth reading in the first place. In this episode of The Deductionist Podcast, we breaks down a process for choosing reading...
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Why Everything You Think About Liars Is Wrong (Backed by Science)
Everything you think you know about how to spot a liar is wrong. In this episode, we expose the truth behind body language myths, why lie detection fails, and how to actually catch a liar using science-backed strategies. Learn the shocking psychology behind stress vs. deception, memory flaws, and...
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ABOUT THIS SHOW
Look no further, dear listener, for The Deductionist podcast is here to sharpen your deductive skills and blow your mind with its clever insights.Hosted by the charming and enigmatic deductionist himself (HA!) and the Watson of awesomeness! Each episode is a masterclass in observation, deduction, and logic, as they take you on a journey through the mysteries of everyday life.From analyzing crime scenes to decoding the hidden meanings in social interactions, The Deductionist podcast brings a fresh and witty perspective to the art of deduction. With a razor-sharp mind and quick wit...ish, they'll have you hooked from the very first episode.So join us as we explore the secrets of the world around us, and learn how to become a master of deduction like the one and only Deductionist. It's time to uncover the truth and take your deductive skills to the next level. Don't miss a single episode of The Deductionist podcast! Hosted on Acast. See acast.com/privacy for more information.
HOSTED BY
ben cardall
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Frequently Asked Questions
How many episodes does The Deductionist Podcast have?
The Deductionist Podcast currently has 244 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is The Deductionist Podcast about?
Look no further, dear listener, for The Deductionist podcast is here to sharpen your deductive skills and blow your mind with its clever insights.Hosted by the charming and enigmatic deductionist himself (HA!) and the Watson of awesomeness! Each episode is a masterclass in observation, deduction,...
How often does The Deductionist Podcast release new episodes?
The Deductionist Podcast publishes regularly with 244 episodes available. Check the episode list for the typical release schedule.
Where can I listen to The Deductionist Podcast?
You can listen to The Deductionist Podcast on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.
Who hosts The Deductionist Podcast?
The Deductionist Podcast is created and hosted by ben cardall.
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