647 // Dean Mortensen Update & Trenny Gibson Final Though...

What this episode covers

In this new episode, Crawlspace Media's Tim Pilleri and Lance Reenstierna speak with Laura Riste about the mysterious disappearance of Dean Mortensen from Edmonton, Alberta, Canada on January 24, 1992. Later, Tim and Lance share some final thoughts on their conversation with Laura about Trenny Gibson's disappearance from the Great Smoky Mountain National Park on October 8th, 1976. Full interview w/ Laura on Dean Mortensen was published on Missing on September 15th, 2025. Check out Laura Riste's site on the disappearance of Trenny Gibson: ⁠⁠⁠⁠⁠⁠https://www.canadiangurl77.com/⁠⁠⁠⁠⁠⁠. Laura's FB page for Trenny: ⁠⁠⁠⁠⁠⁠⁠https://www.facebook.com/searching.for.trenny⁠⁠⁠⁠⁠⁠⁠. Laura on IG: ⁠⁠⁠⁠⁠https://www.instagram.com/laurariste⁠⁠⁠⁠⁠. Check out Michael C. Bouchard's new book on Trenny Gibson's disappearance: ⁠https://www.amazon.com/TRENNY-Disappearance-Trenny-Lynn-Gibson/dp/B0FTLY6937⁠. Check out Quince: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://quince.com/MISSING⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠. Main podcast theme by Kevin Macleod. Check out his work at ⁠⁠⁠⁠https://incompetech.com/⁠⁠⁠⁠⁠⁠. Additional music by David Williams. See his work at ⁠⁠⁠⁠⁠⁠http://williamsflutes.com⁠⁠⁠⁠⁠⁠. Follow Missing: IG: ⁠https://www.instagram.com/MissingCSM/⁠. TT:⁠ https://www.tiktok.com/@missingcsm⁠. FB:⁠ https://www.facebook.com/MissingCSM⁠. X:⁠ https://twitter.com/MissingCSM⁠. Spotify:⁠ https://open.spotify.com/show/0yRXkJrZC85otfT7oXMcri⁠. Youtube:⁠ https://www.youtube.com/missingcsm⁠. Apple:⁠ https://podcasts.apple.com/us/podcast/missing/id1006974447⁠. Follow Crawlspace: IG:⁠ https://www.instagram.com/Crawlspacepodcast⁠. TT:⁠ https://www.tiktok.com/@crawlspacepodcast⁠. FB:⁠ https://www.facebook.com/Crawlspacepodcast⁠. X:⁠ https://twitter.com/crawlspacepod.⁠ Spotify:⁠ https://open.spotify.com/show/7iSnqnCf27NODdz0pJ1GvJ⁠. Youtube:⁠ https://www.youtube.com/crawlspace⁠. Apple:⁠ https://podcasts.apple.com/us/podcast/crawlspace-true-crime-mysteries/id1187326340⁠. Check out our entire network at⁠ http://crawlspace-media.com/⁠. Learn more about your ad choices. Visit megaphone.fm/adchoices

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Frequently Asked Questions

How long is this episode of Missing?

This episode is 43 minutes long.

When was this Missing episode published?

This episode was published on March 14, 2026.

What is this episode about?

In this new episode, Crawlspace Media's Tim Pilleri and Lance Reenstierna speak with Laura Riste about the mysterious disappearance of Dean Mortensen from Edmonton, Alberta, Canada on January 24, 1992. Later, Tim and Lance share some final thoughts...

Can I download this Missing episode?

Yes, you can download this episode by clicking the download button on the episode player, or subscribe to the podcast in your preferred podcast app for automatic downloads.