14 - Dean Mortensen Update & Trenny Gibson Final Thoughts
From Missing Trenny Gibson by Crawlspace Media
March 31, 2026 · 44 min · Season 1 · Episode 15
About this episode
The episode discusses the mysterious disappearances of Dean Mortensen and Trenny Gibson, featuring an interview with Laura Riste.
In this 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. This episode was previously published on Missing on March 14th, 2025 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…
People in this episode
Hosts: Tim Pilleri, Lance Reenstierna
Guest: Laura Riste
Topics covered
- disappearance
- true crime
- mystery
- interview
- investigation
Keywords
- Dean Mortensen
- Trenny Gibson
- disappearance
- true crime
- interview
Mentioned in this episode
Places: Edmonton, Alberta, Canada, Great Smoky Mountain National Park
More episodes of Missing Trenny Gibson
- 13 - New Revelations in Trenny Gibson's Disappearance w/ Laura Riste · March 31, 2026 · 45 min
- 12 - Missing Dean Mortensen w/ Laura Riste · March 29, 2026 · 50 min
- 11 - Wanted William Bradford Bishop · May 20, 2025 · 54 min
- 10 - Dennis Martin - Missing in the Smokies · May 19, 2025 · 1h 4m
- 9 - Polly Melton - Missing in the Smokies · May 19, 2025 · 51 min
- 8 - New Trenny Gibson Updates w/ Laura Riste · April 30, 2025 · 1h 24m
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