The Dunning-Kruger Effect: Why Incompetent People Think They're Experts

The Dunning-Kruger Effect: Why Incompetent People Think They're Experts

Author: Moms and Mysteries Podcast March 26, 2026 Duration: 49:32
Have you ever met someone who was terrible at something but thought they were a genius? This week, we explore the Dunning-Kruger effect, a cognitive bias where people with low ability at a task overestimate their own competence. We start with the case that inspired the research: McArthur Wheeler, a man who robbed two banks after covering his face in lemon juice, believing it would make him invisible to security cameras. His baffling confidence led psychologists David Dunning and Justin Kruger to study this strange phenomenon. We then look at how this bias plays out in the world of true crime, from the comically inept “Hillbilly Heist” orchestrated by the Loomis Fargo crew, to the chilling case of Caleb Flynn, a former American Idol contestant accused of murdering his wife and staging a break-in. We also examine the tragic story of Lauren Giddings and the law student who thought he could commit the perfect murder, only to have his plan unravel on live television. Finally, we share the incredible story of Brett Johnson, a cybercriminal who went from the Secret Service's Most Wanted list to a respected FBI consultant, demonstrating the rare journey from the “peak of Mount Stupid” to true self-awareness. Thank you to this week's sponsors: See why more than 3 million families have chosen K12 – find a K12 Powered School near you today! Go to K12.com/MOMS to learn more. Right now, go to Quince.com/moms for free shipping and 365-day returns. That's a full year to wear it and love it. Now available in Canada, too. New episodes every Tuesday and Thursday! Follow us on Instagram: @momsandmysteries Join our Patreon: patreon.com/momsandmysteriespodcast Visit our website: momsandmysteries.com Learn more about your ad choices. Visit megaphone.fm/adchoices

Between school drop-offs and grocery runs, Mandy and Melissa found a shared obsession with the unanswered questions lurking in the shadows. Moms and Mysteries: A True Crime Podcast is the result: a conversation that feels like sitting at a kitchen table with two friends who are deeply curious about the human condition. Their perspective is uniquely grounded, examining each story not just for its shock value, but for the societal threads and personal tragedies that weave it together. You’ll hear them discuss everything from the strangely specific weirdness of a Florida crime to a globally known cold case, always with a blend of empathy and a dash of necessary, dark humor. This isn't a clinical report; it's a twice-weekly deep dive fueled by a lifelong fascination with mysteries, both big and small. The tone is warm, the research is thorough, and the conversation is the kind you get hooked on. New episodes of this true crime podcast arrive every Tuesday and Thursday, ready to be your companion during a commute or while folding laundry. They’ve been asking "how did this happen?" since they were kids, and now they’re pulling up a chair for you to join that ongoing, compelling discussion.
Author: Language: en-us Episodes: 100

Moms and Mysteries: A True Crime Podcast
Podcast Episodes
The Carroll County Murders: The Case of Sarah Grace Patrick [not-audio_url] [/not-audio_url]

Duration: 43:18
A double murder in a quiet Georgia town. A 5-year-old discovers her parents shot in their bed. No forced entry, no weapon. The prime suspect? Their 16-year-old daughter. This week we discuss the shocking case of Sarah Gr…
The Murder of a Memphis Socialite: The Emily Fisher Story [not-audio_url] [/not-audio_url]

Duration: 1:10:25
In 1995, the brutal murder of Memphis socialite and philanthropist Emily Fisher shattered the city's illusion of high-society tranquility. Stabbed over 50 times in her historic home, the investigation peeled back the lay…
The Troubled Teen Industry: Legal Kidnapping in America [not-audio_url] [/not-audio_url]

Duration: 1:19:28
*Subscribe to our youtube!* For decades, desperate parents have sent their struggling teens to residential treatment programs that promise to help them overcome everything from behavioral issues to substance abuse. But f…
[It's Florida, Man: Toes] (Previously a Bonus Episode) [not-audio_url] [/not-audio_url]

Duration: 32:43
This episode was originally released as a bonus for subscribers and is now available on the main feed for all listeners. If you want to get more episodes like this (three bonus episodes per month) check-out patreon.com/m…
The Murder of Lauren Burk (Revisited) [not-audio_url] [/not-audio_url]

Duration: 53:32
This week, we are revisiting our most downloaded episode of the year: the heartbreaking case of Lauren Burk. In March 2008, the brutal murder of this 18-year-old Auburn University student shattered a community and left a…
The Ten-Minute Murder: The Wrongful Conviction of Oscar Slater [not-audio_url] [/not-audio_url]

Duration: 55:13
In 1908 Glasgow, 82-year-old Marion Gilchrist was brutally murdered in her home during a ten-minute window while her maid was out. There was no forced entry, and the only thing missing was a single diamond brooch. The po…
NXIVM: Justice + Allison After NXIVM (Part 2) [not-audio_url] [/not-audio_url]

Duration: 1:14:33
The polished facade of NXIVM has shattered, and in Part 2, we take you inside the federal courthouse where its leaders finally face justice. We explore the harrowing trial of Keith Raniere, built on the brave testimony o…
NXIVM: The Promise of Empowerment (Part 1) [not-audio_url] [/not-audio_url]

Duration: 49:03
*Part 2 is out on Thursday, December 18th* Imagine thinking you signed up for a self-improvement course, only to wake up inside a secret hierarchy where starvation, blackmail, and branding were sold as empowerment. This…
The Impossible Murder of Julia Wallace [not-audio_url] [/not-audio_url]

Duration: 35:57
In 1931 Liverpool, a bizarre phone call sent William Herbert Wallace on a wild goose chase across the city. The caller, a man named "Qualtrough," had left a message for him at his chess club, asking him to meet at a non-…