Man Banned From Yellowstone For Drunkenly Attacking Park Rangers An Indiana man will not be allowed to enter Yellowstone National Park for the next five years after pleading guilty to charges that alleged he drunkenly attacked park rangers. In addition, 31-year-old Kyle F. Campbell was sentenced in federal court to serve 60 days behind bars, and five years of unsupervised probation. Campbell was also ordered to pay $1,550 in fines. Get our free mobile app “We understand that people are eager to get out this summer and enjoy our national parks; however, this type of behavior is unacceptable. Thanks to the quick actions taken by park rangers and the park vendor’s security officers, no one was seriously harmed,” Acting United States Attorney Bob Murray said in a written statement. “Stay sober, because unruly and intoxicated behavior will only earn you a spot with the jailbirds rather than enjoying the beauty and adventure of Yellowstone.”