March 14, 2026 • 43 mins
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/.
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