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