It's Labor Day weekend in Normal, and if you know anything about camping and RVing, you know it's one of the busiest times of the year. Unfortunately, Daniel Boone National Park is in danger of being closed due to a drought and local businesses are scrambling for ideas to survive a possible shutdown.Happy Trails Campground is at the center of a murder in which campers as well locals are suspects. It looks likely that a local resident is responsible...