In this case snapshot, we cover some facts 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 1-800-TBI-FIND. Check out Laura Riste's site at https://www.canadiangurl77.com/ Charley Project page: http://charleyproject.org/case/trenny-lynn-gibson Subscribe to Missing Trenny Gibson here: https://www.spreaker.com/show/missing-trenny-gibson Check out our entire network at media.com/">http://crawlspace-media.com/ Check out the new Crawlspace Discussion Facebook group: https://www.facebook.com/groups/talkcrawlspace/ Go to https://smile.amazon.com/ to connect your existing Amazon account to donate to PI's For the Missing. 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/ Learn more about your ad choices. Visit megaphone.fm/adchoices