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
Justice for Destiny McClain: Taco Truck Shooting [not-audio_url] [/not-audio_url]

Duration: 39:33
After a night out with friends in July 2021, 23-year-old Destiny McClain was shot and killed as she waited for food at a taco truck outside a Phoenix nightclub. The senseless murder shattered her family and community, an…
Karen Grammer: A Sister's Tragic Murder [not-audio_url] [/not-audio_url]

Duration: 49:43
In 1975, 18-year-old Karen Grammer was working at a Red Lobster in Colorado Springs when she was abducted, raped, and murdered by a group of men during a botched robbery. Karen was the younger sister of actor Kelsey Gram…
[Florida Files] Jennifer Kesse: Vanished in Orlando [not-audio_url] [/not-audio_url]

Duration: 34:16
On January 24, 2006, 24-year-old Jennifer Kesse vanished from her Orlando condominium without a trace. Her car was found abandoned a mile away, with surveillance footage showing an unidentified person parking it—but the…
The Tiger Woman: Clara Phillips' Hammer Murder [not-audio_url] [/not-audio_url]

Duration: 51:26
In 1922 Los Angeles, Clara Phillips became known as "The Tiger Woman" after she brutally murdered her husband's alleged mistress with a hammer in a jealous rage. The crime was shocking in its violence, but what captivate…
Amy Bishop: The Harvard Neuroscientist Killer- Revisit [not-audio_url] [/not-audio_url]

Duration: 37:27
In 2010, Dr. Amy Bishop, a Harvard-educated neuroscientist, opened fire during a faculty meeting at the University of Alabama in Huntsville, killing three colleagues and wounding three others. The shooting shocked the ac…
Suzanne Morphew: The Mountain Mystery [not-audio_url] [/not-audio_url]

Duration: 52:12
On Mother's Day 2020, Suzanne Morphew went for a bike ride near her Colorado home and never returned. Her husband Barry reported her missing, launching a massive search of the Rocky Mountain wilderness. But as investigat…
[Documentary] Reality TV True Crime with Kate Casey [not-audio_url] [/not-audio_url]

Duration: 49:25
Join us for a special crossover episode with Kate Casey from the "Reality Life with Kate Casey" podcast! We dive into the intersection of reality TV and true crime, exploring the most shocking criminal cases involving re…
Chris Tapp: Exonerated, Then Murdered [not-audio_url] [/not-audio_url]

Duration: 55:41
Christopher Tapp spent 20 years in prison for a murder he didn't commit. After finally being exonerated in 2019 with the help of Angie Dodge's mother, Chris tried to rebuild his life and become an advocate for criminal j…
[Wrongful Conviction] Angie Dodge: A Mother's Fight [not-audio_url] [/not-audio_url]

Duration: 36:32
In 1996, 18-year-old Angie Dodge was raped and murdered in her Idaho Falls apartment. Police quickly arrested Christopher Tapp, who confessed after hours of coercive interrogation—but the evidence didn't match. Tapp spen…
[Crossover] Celebrity Crimes with Doing It All Podcast [not-audio_url] [/not-audio_url]

Duration: 47:34
Join us for a special crossover episode with Maya and Sarah from the "Doing It All" podcast! We explore the chilling connections between celebrity culture and true crime, discussing cases where fame, fortune, and crimina…