Episode 117: Hailey Dunn's Disappearance and Murder

Explicit content warning

03/12/25 • 45 min

There are several times in this episode I say "Casey" unintentionally. I am referring to Shawn CASEY Adkins.
On December 27, 2010, a 13 year old girl of Mitchell County, Texas disappeared. She was last seen leaving her mother’s house to go hang out with a friend. But she never showed up. It wouldn’t be until March 16, 2013 Hailey’s remains were recovered. 8 years later, a man by the name of Shawn Casey Adkins would be arrested for her murder, who at the time of the disappearance had been dating her mother. He was given a prison sentence but recently on June 26, 2023, Shawn Adkins was released due to lack of evidence. Her death would shake Mitchell County and leave her family heartbroken and desperate for answers. So what happened to her? And will there ever be justice?
This is Hailey Dunn murder case.
Submit a tip to the Texas Rangers’ Cold Case department: https://www.dps.texas.gov/
Tips can also be submitted to the Crime Stoppers Hotline at 1-800-252-TIPS or 1-800-252-8477.
All tips are anonymous.
You can also join the Who Killed Hailey Dunn Facebook Page.
https://www.facebook.com/profile.php?id=100067674505759
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WAYS TO SUPPORT & CONNECT:
Join the Patreon for perks and ad free episodes starting at just $1/month: Patreon.com/perplexitymysterypodcast
Hit that follow button, drop a 5 star review, and spread the word!!!
Buy Kaydra a coffee and get a shoutout: https://buymeacoffee.com/perplexitymysterypodcast
Merch: https://www.bonfire.com/store/perplexity-mystery-podcast/ be sure to tag us on Instagram in your merch!
Subscribe to the YouTube channel! https://www.youtube.com/@perplexitymysterypodcast
Website: https://perplexitymysteryp.wixsite.com/perplexity
Follow Perplexity on Instagram and TikTok @PerplexityMysteryPodcast.
CONTACT: Have a story to tell or want to request a topic? Email Kaydra at [email protected].
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SOURCES:
https://www.dps.texas.gov/apps/coldCase/Home/Details/153
https://www.kcbd.com/2025/01/25/texas-rangers-cold-case-unit-officially-investigating-hailey-dunn-murder/
https://www.kcbd.com/2023/06/27/kcbd-investigates-man-charged-with-hailey-dunns-murder-released-jail/
https://www.yourbasin.com/news/slain-teen-hailey-dunn-would-be-27-today-heres-what-we-know-about-her-death/
https://www.youtube.com/watch?v=HbnGQt7yZaU&t=1035s
https://lawandcrime.com/crime/man-indicted-for-2010-murder-of-girlfriends-13-year-old-daughter-as-prosecutors-reveal-cause-of-death-for-the-first-time/
https://www.youtube.com/watch?v=lzC_w7Zsx4o
https://www.conchovalleyhomepage.com/news/was-witchcraft-involved-in-hailey-dunn-murder-father-pi-describe-strange-items-connected-to-case/
http://victimsnewsonline.com/cold-cases/an-apology-letter-to-the-parents-of-shawn-adkins-next-victim/
https://www.kcbd.com/2021/07/28/texas-rangers-release-heavily-redacted-investigation-synopsis-hailey-dunn-murder-case/
Become a supporter of this podcast: https://www.spreaker.com/podcast/perplexity-a-mystery-podcast--6240687/support.

Previous Episode

Episode 116: The Dupont de Ligonnès Murders- Part 2

Today we will be concluding a true crime deep dive into arguably the most famous murder mystery in the history of France.
If you missed it, be sure to listen to part 1 first.
On April 21, 2011, police would discover the bodies of Agnès Dupont de Ligonnès, her four children Arthur, Thomas, Anne, and Benoît, and their two Labrador dogs buried in the back garden of their family home at 55 Boulevard Schuman in Nantes Loire-Atlantique, France. Agnes's husband, Xavier, was nowhere to be found.
This was a picture perfect family stemming from nobility and Catholicism. They were full of personality and intelligence. They were well known and involved in their community.
But throughout the investigation into these murders, it became apparent to police this family had deep and troubling secrets. In the coming weeks, Xavier would become the prime suspect in murders. He remains missing to this day.
This is the story of the Dupont de Ligonnes family murders.
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WAYS TO SUPPORT & CONNECT:
Join the Patreon for perks and ad free episodes starting at just $1/month: Patreon.com/perplexitymysterypodcast
Hit that follow button, drop a 5 star review, and spread the word!!!
Buy Kaydra a coffee and get a shoutout: https://buymeacoffee.com/perplexitymysterypodcast
Merch: https://www.bonfire.com/store/perplexity-mystery-podcast/ be sure to tag us on Instagram in your merch!
Subscribe to the YouTube channel! https://www.youtube.com/@perplexitymysterypodcast
Website: https://perplexitymysteryp.wixsite.com/perplexity
Follow Perplexity on Instagram and TikTok @PerplexityMysteryPodcast.
CONTACT: Have a story to tell or want to request a topic? Email Kaydra at [email protected].
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SOURCES:
1) Unsolved Mysteries, 2020, Volume 1 Episode 3, "House of Terror"
2) Wikipedia
3) https://www.connexionfrance.com/news/man-suspected-of-killing-family-reported-to-be-at-french-convent/652210
4) Reddit
5) https://www.sportskeeda.com/us/shows/unsolved-mysteries-5-wild-reddit-theories-xavier-dupont-de-ligonns-disappearance
6) https://www.marieclaire.com/culture/a33216440/dupont-de-ligonnes-family/
7) https://detectivebox.com/blogs/blog/tout-sur-laffaire-xavier-dupont-de-ligonnes?srsltid=AfmBOorSHV7_RDwPfBfjxdGCaYY5b4C7RugaSDaFIGhsVMoZHFdLsKWA
8) https://www.radiotimes.com/tv/documentaries/true-crime/xavier-dupont-de-ligonnes-unsolved-mysteries/
9) https://unresolved.me/the-dupont-de-ligonns-affair
10) https://www.statista.com/statistics/1418867/homicide-rate-france/
11) https://www.ojp.gov/pdffiles1/nij/230412.pdf
12) https://www.youtube.com/watch?v=-TKUCoaJfKQ
13) https://www.babelio.com/livres/Fonteneau-Sans-pitie-pour-les-siens/977240
14) Audio clips at beginning credit to https://www.youtube.com/watch?v=V4jrFlu_wz4&t=1s

Next Episode

Episode 118: Wilma June Nissen's Unsolved Murder

On October 4, 1978 the body of a young female would be found along a rural road in Lyon County, Iowa. She was badly decomposed, partially clothed, and had been bound with rope. She was labeled a Jane Doe and the case quickly turned cold. She wouldn’t be identified until 28 years later in 2006. What happened to this woman and who was responsible remains a mystery to this day. This is the story of the Wilma June Nissen's unsolved murder.
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To Submit a Tip for this Week's Case and to Connect:
****The Cold Case Coalition (385) 258-3313
**Lyon County Sheriff's Department - https://lyoncounty.iowa.gov/sheriff/submit_a_crime_tip/
**Iowa Attorney General's Cold Case Unit 1-800-242-5100 [email protected] Led by Scott Brown
****Crime Stoppers of Central Iowa ( not exactly the right jurisdiction, but it's something ) Anonymous tip line (515) 223-1400 Or 1-800-452-1111 www.crimestoppersofcentraliowa.com
**** Crime Stoppers of North Centeral Iowa Anonymous tip line 1-800-383-0088
**** Sioux Falls Crimestoppers anonymous tip lines (605) 367-7007 Or toll free (187) 736-77007 www.crimestopperssiouxempire.com
****Krissi's email address dedicated to Wilma. [email protected]
****Facebook group- https://www.facebook.com/groups/950469630056425/?ref=share&mibextid=NSMWBT
****Instagram page- https://www.instagram.com/wilma_june_nissen_cold_case?igsh=MnM5ODdqcHV3djFq
****Reddit page- https://www.reddit.com/r/WilmaJuneNissen/s/nQpT0xiwwr Or r/WilmaJuneNissen -
https://lyoncounty.iowa.gov/sheriff/submit_a_crime_tip/
GO FUND ME for DNA TESTING https://www.gofundme.com/f/help-support-dna-tech-to-find-wilma-june-nissens-killer?lang=en_US
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WAYS TO SUPPORT & CONNECT:
Join the Patreon for perks and ad free episodes starting at just $1/month: Patreon.com/perplexitymysterypodcast
Hit that follow button, drop a 5 star review, and spread the word!!!
Buy Kaydra a coffee and get a shoutout: https://buymeacoffee.com/perplexitymysterypodcast
Merch: https://www.bonfire.com/store/perplexity-mystery-podcast/ be sure to tag us on Instagram in your merch!
Subscribe to the YouTube channel! https://www.youtube.com/@perplexitymysterypodcast
Website: https://perplexitymysteryp.wixsite.com/perplexity
Follow Perplexity on Instagram and TikTok @PerplexityMysteryPodcast.
CONTACT: Have a story to tell or want to request a topic? Email Kaydra at [email protected].
----------------------
SOURCES:
https://kiwaradio.com/local-news/suspect-photo-released-in-1978-murder-case/
https://iowacoldcases.org/case-summaries/wilma-june-nissen/
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