Last May, The Bigfoot Whisperer Rob Fairless captured the following vocalization in Shawnee National Forest IL. Producers of the Finding Bigfoot show contacted Fairless about doing an investigation in his research area but Fairless told us he politely declined... or did he? Tonight's show will be in Illinois and according to the show's description the team will be investigating some Bigfoot howls: "The team travels to Illinois to meet a man who claims to have recorded bigfoot howls in his own backyard. Several witnesses share their sightings of these creatures in some unusual locations, including a graveyard."
Here's the vocalization Rob recorded last year: