Missing Trenny Gibson
This is about real life missing person Trenny Lynn Gibson. Trenny was last seen at approximately 3 pm on October 8, 1976, in Great Smoky Mountains National Park (GSMNP). She was wearing a blue blouse, a pastel blue striped sweater, blue jeans, and...
Crawlspace Media
Show overview
Missing Trenny Gibson has been publishing since 2020, and across the 6 years since has built a catalogue of 15 episodes, alongside 4 trailers or bonus episodes. That works out to roughly 15 hours of audio in total. Releases follow an irregular cadence.
Episodes typically run thirty-five to sixty minutes — most land between 45 min and 1h 4m — though episode length varies meaningfully from one episode to the next. None of the episodes are flagged explicit by the publisher. It is catalogued as a EN-language True Crime show.
The show is actively publishing — the most recent episode landed 2 months ago, with 3 episodes already out so far this year. Published by Crawlspace Media.
From the publisher
Trenny Lynn Gibson was last seen at approximately 3 pm on October 8, 1976, in Great Smoky Mountains National Park (GSMNP). She was wearing a blue blouse, a pastel blue striped sweater, blue jeans, and blue Adidas shoes. She had on a brown and orange plaid wool jacket, which she had borrowed from Robert Simpson. She has long brown hair, green eyes, is 5’3 and 115 pounds. For more information, please visit Laura Riste's site devoted to Trenny at www.canadiangurl77.com and Laura's FB page for Trenny: https://www.facebook.com/searching.for.trenny. If you have any information regarding the whereabouts of Trenny Lynn Gibson, please contact the Tennessee Bureau of Investigation at 615-744-4000. These episodes originally aired as part of the Missing podcast: https://linktr.ee/MissingCSM.
Latest Episodes
S1 Ep 1514 - Dean Mortensen Update & Trenny Gibson Final Thoughts
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 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
S1 Ep 1313 - New Revelations in Trenny Gibson's Disappearance w/ Laura Riste
In this episode, Crawlspace Media's Tim Pilleri and Lance Reenstierna speak with Laura Riste about the mysterious disappearance of Trenny Gibson from the Great Smokey Mountain National Park on October 8th, 1976. This episode was previously published on Missing on March 12th, 2026. 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
S1 Ep 1212 - Missing Dean Mortensen w/ Laura Riste
In this episode, Crawlspace Media's Tim Pilleri and Lance Reenstierna speak with return guest Laura Riste to discuss the mysterious disappearance of Dean Mortensen from Edmonton, Alberta, Canada on January 24th, 1992. This episode was previously 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. If you have any information about this individual, please contact the Edmonton Police Service at 780-423-4567 or Edmonton Crime Stoppers at 1-800-222-8477 or submit your tip online: https://www.p3tips.com/tipform.aspx?ID=250#. Sources: https://www.edmontonpolice.ca/CrimeFiles/MissingPersons/1990to1999/MORTENSENDean. https://macleans.ca/news/canada/dean-mortensen-disappeared-leaving-only-a-blue-ball-cap-behind/. https://www.canadaunsolved.com/cases/missing-dean-mortensen-1992-edmonton-ab. 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
S1 Ep 1111 - Wanted William Bradford Bishop
bonusIn this episode, Crawlspace Media's Tim Pilleri & Lance Reenstierna speak with Laura Riste about the disappearance of William Bradford Bishop. Bishop disappeared in 1976 after slaughtering his family. If you have any information please contact your local FBI office. This episode was previously published on May 1st, 2023 on Missing. Thank you to Laura Riste for her help on this episode. Please check out her site about Trenny Gibson at https://www.canadiangurl77.com/ and check out the new FB page for Trenny's case: https://www.facebook.com/searching.for.trenny. Check out our Missing subscription service where we have a bonus show and ad-free episodes! https://missing.supportingcast.fm/ To hear the Generation Why's 4-part series, follow Generation Why wherever you get your podcasts. Go to https://airdoctorpro.com/ and use promo code MMM and, depending on the model, you’ll receive UP TO 39% off or UP TO $300 off! Follow Missing: TikTok: https://www.tiktok.com/@missingcsm YouTube: https://www.youtube.com/missingcsm IG: https://www.instagram.com/MissingCSM/ Twitter: https://twitter.com/MissingCSM FB: https://www.facebook.com/MissingCSM Check out our entire network at http://crawlspace-media.com/ Follow Private Investigations For the Missing and please donate if you can: https://investigationsforthemissing.org/ http://piftm.org/donate https://twitter.com/PIFortheMissing https://www.facebook.com/PIFortheMissing/ https://www.instagram.com/investigationsforthemissing/ Learn more about your ad choices. Visit megaphone.fm/adchoices
S1 Ep 1010 - Dennis Martin - Missing in the Smokies
bonusIn this episode, Tim Pilleri, Lance Reenstierna, and Jennifer Amell speak about the mysterious disappearance of Dennis Lloyd Martin from the Great Smokey Mountains National Park on June 14th, 1969. And we play clips from a conversation with researcher Laura Riste about Dennis's disappearance. This episode was previously published on May 4th, 2023 on Missing. Thank you to Laura Riste for her help on this episode. Please check out her site about Trenny Gibson at https://www.canadiangurl77.com/ and check out the new FB page for Trenny's case: https://www.facebook.com/searching.for.trenny. Check out our Missing subscription service where we have a bonus show and ad-free episodes! https://missing.supportingcast.fm/ To hear the Generation Why's 4-part series, follow Generation Why wherever you get your podcasts. Go to https://airdoctorpro.com/ and use promo code MMM and, depending on the model, you’ll receive UP TO 39% off or UP TO $300 off! Sources: https://en.wikipedia.org/wiki/Disappearance_of_Dennis_Martin https://charleyproject.org/case/dennis-lloyd-martin https://www.nps.gov/aboutus/foia/upload/1969_GRSM_DennisMartin_dissapearance_REDACTED.pdf https://vault.fbi.gov/dennis-martin/dennis-martin-part-01-of-01 https://www.knoxnews.com/story/news/local/2019/06/06/dennis-martin-missing-smoky-mountains-disappearance/1338089001/ https://www.canammissing.com/page/page/8396197.htm Follow Missing: TikTok: https://www.tiktok.com/@missingcsm YouTube: https://www.youtube.com/missingcsm IG: https://www.instagram.com/MissingCSM/ Twitter: https://twitter.com/MissingCSM FB: https://www.facebook.com/MissingCSM Check out our entire network at http://crawlspace-media.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
S1 Ep 99 - Polly Melton - Missing in the Smokies
bonusIn this episode Crawlspace Media's Tim Pilleri, Lance Reenstierna and Jennifer Amell discuss the disappearance of Thelma Pauline Melton from the Great Smoky Mountains National Park in Tennessee. This episode was previously published on March 9th, 2023 on Missing. On an idyllic summer afternoon while hiking with her friends in the Great Smoky Mountains National Park in Tennessee, Polly Melton disappeared into thin air. Polly was 58 at the time of her disappearance and would be 99 today. If you have any information in Polly's case please call the Tennessee Bureau of Investigation at 615-744-4000. Thank you to Laura Riste for her help on this episode. Please check out her site about Trenny Gibson at https://www.canadiangurl77.com/ and check out the new FB page for Trenny's case: https://www.facebook.com/searching.for.trenny. Sources/Links https://www.canadiangurl77.com/ https://charleyproject.org/case/thelma-pauline-melton https://unsolvedappalachia.org/thelma-pauline-melton/ https://www.amazon.com/Unsolved-Disappearances-Great-Smoky-Mountains/dp/1880308134/ Follow Missing: TikTok: https://www.tiktok.com/@missingcsm YouTube: https://www.youtube.com/missingcsm IG: https://www.instagram.com/MissingCSM/ Twitter: https://twitter.com/MissingCSM FB: https://www.facebook.com/MissingCSM Check out our entire network at http://crawlspace-media.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
S1 Ep 88 - New Trenny Gibson Updates w/ Laura Riste
In this new episode, Tim Pilleri and Lance Reenstierna speak with Laura Riste about the mysterious disappearance of Trenny Gibson from the Smoky Mountain National Park on October 8th, 1976. This is part 8 of our series on Trenny Gibson. Laura's FB page for Trenny: https://www.facebook.com/searching.for.trenny. Laura Riste's site devoted to Trenny at www.canadiangurl77.com. Check out our spinoff feed for easier access to our series on Trenny: Spotify: https://open.spotify.com/show/2Gs3ryjlC7cmMyQgqLAZjQ. Apple: https://podcasts.apple.com/us/podcast/missing-trenny-gibson/id1542034469. 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/. Follow Private Investigations For the Missing and please donate if you can: https://investigationsforthemissing.org/. http://piftm.org/donate. https://twitter.com/PIFortheMissing. https://www.facebook.com/PIFortheMissing/. https://www.instagram.com/investigationsforthemissing/. Learn more about your ad choices. Visit megaphone.fm/adchoices
S1 Ep 77 - Update From Laura Riste
In this episode Crawlspace Media's Tim Pilleri, Lance Reenstierna and Jennifer Amell speak with Laura Riste about the disappearance of Trenny Gibson from the Great Smoky Mountains National Park on October 8, 1976. If you have any information please call the Tennessee Bureau of Investigation at 615-744-4000. Check out our Missing subscription service where we have a bonus show and ad-free episodes! https://missing.supportingcast.fm/ Follow Laura's FB page for Trenny: https://www.facebook.com/searching.for.trenny Sources: https://www.canadiangurl77.com/ http://charleyproject.org/case/trenny-lynn-gibson Follow Missing: TikTok: https://www.tiktok.com/@missingcsm YouTube: https://www.youtube.com/missingcsm IG: https://www.instagram.com/MissingCSM/ Twitter: https://twitter.com/MissingCSM FB: https://www.facebook.com/MissingCSM Check out our entire network at http://crawlspace-media.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
S1 Ep 66 - Todd Matthews
In this episode Tim Pilleri and Lance Reenstierna chat with Todd Matthews of the Doe Network about the disappearance of Trenny Gibson. Trenny disappeared from Knoxville, Tennessee on a field trip to Great Smoky Mountains National Park on October 8, 1976. Follow Todd on Facebook for updates: https://www.facebook.com/j.toddmatthews. If you have any information please call the Tennessee Bureau of Investigation at 615-744-4000. https://www.canadiangurl77.com/. http://charleyproject.org/case/trenny-lynn-gibson. Check out our entire network at http://crawlspace-media.com/. Learn more about your ad choices. Visit megaphone.fm/adchoices
Introducing MISSING
trailerWe want to introduce you to a true crime show with a mission to highlight the missing. Please subscribe to Missing! Included clips are from recent series on Missing Erica Franolich, Phoenix Coldon and Archer Ray Johnson. And Josh Hallmark of True Crime Bullsh*t is there too. Subscribe now! Apple: https://podcasts.apple.com/us/podcast/missing/id1006974447 Spotify: https://open.spotify.com/show/0yRXkJrZC85otfT7oXMcri Stitcher: https://www.stitcher.com/show/missing-csm Youtube: https://www.youtube.com/missingcsm Follow Missing on social media: Twitter: https://twitter.com/MissingCSM FB: https://www.facebook.com/MissingCSM YT: youtube.com/missingcsm IG: https://www.instagram.com/MissingCSM Follow Private Investigations For the Missing https://investigationsforthemissing.org/ http://piftm.org/donate https://twitter.com/PIFortheMissing https://www.facebook.com/PIFortheMissing/ https://www.instagram.com/investigationsforthemissing/ Go to https://smile.amazon.com/ to connect your existing Amazon account to donate to PI's For the Missing. Check out our entire network at http://crawlspace-media.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
S1 Ep 55 - Laura's Case File
In this episode Tim Pilleri and Lance Reenstierna chat with Laura Riste about the disappearance of Trenny Gibson. Trenny disappeared from Knoxville, Tennessee on a field trip to Great Smoky Mountains National Park on October 8, 1976. In this episode we discuss Simpson, Bowman, mysterious tips and suspicious messages. If you have any information please call the Tennessee Bureau of Investigation at 615-744-4000. https://www.canadiangurl77.com/. http://charleyproject.org/case/trenny-lynn-gibson. Check out our entire network at http://crawlspace-media.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
S1 Ep 44 - Cover Up
In this episode Tim Pilleri and Lance Reenstierna chat with Laura Riste about the disappearance of Trenny Gibson. Trenny disappeared from Knoxville, Tennessee on a field trip to Great Smoky Mountains National Park on October 8, 1976. In this episode we discuss a suspicious of people, searches, and much more. Laura runs a great blog dedicated to the case, check it out here: https://www.canadiangurl77.com/. If you have any information please call the Tennessee Bureau of Investigation at 615-744-4000. Learn more about your ad choices. Visit megaphone.fm/adchoices
S1 Ep 33 - Suspect Bowman
In this episode Tim Pilleri and Lance Reenstierna chat with Laura Riste about the disappearance of Trenny Gibson. Trenny disappeared from Knoxville, Tennessee on a field trip to Great Smoky Mountains National Park on October 8, 1976. Laura runs a great blog dedicated to the case, check it out here: https://www.canadiangurl77.com/. If you have any information please call the Tennessee Bureau of Investigation at 615-744-4000. http://charleyproject.org/case/trenny-lynn-gibson. Check out our entire network at http://crawlspace-media.com/. Learn more about your ad choices. Visit megaphone.fm/adchoices
S1 Ep 22 - Suspect Simpson
In this episode Tim Pilleri and Lance Reenstierna chat with Laura Riste about the disappearance of Trenny Gibson. Trenny disappeared from Knoxville, Tennessee on a field trip to Great Smoky Mountains National Park on October 8, 1976. In this episode we discuss suspicious Kelvin Bowman, Robert Simpson and much more. Laura runs a great blog dedicated to the case, check it out here: https://www.canadiangurl77.com/. If you have any information please call the Tennessee Bureau of Investigation at 615-744-4000. http://charleyproject.org/case/trenny-lynn-gibson. Check out our entire network at http://crawlspace-media.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
S1 Ep 11 - Missing Trenny Gibson
In this episode Tim Pilleri and Lance Reenstierna chat with Jennifer Amell about the disappearance of Trenny Gibson. Trenny disappeared from Knoxville, Tennessee on a field trip to Great Smoky Mountains National Park on October 8, 1976. If you have any information please call the Tennessee Bureau of Investigation at 615-744-4000. https://www.canadiangurl77.com/. http://charleyproject.org/case/trenny-lynn-gibson. Check out our entire network at http://crawlspace-media.com/. Learn more about your ad choices. Visit megaphone.fm/adchoices