Fatal Glacier Grizzly Attack Report Confirms Hiker Emptied Bear Spray

On Sunday, May 3, 2026, at about 9:30 pm, Anthony Polio was attacked by a mature grizzly bear on the Mt. Brown Lookout trail in Glacier National Park. Polio had time to draw and empty his 7.9-ounce Bear Guard bear spray before he was killed by the bear. The official report on the incident has been released by the Interagency Grizzly Bear Committee (IGBC) Board of Review. The Board of Review consisted of 10 people: 4 from federal agencies, 1 from Wyoming Game and Fish, and 5 from Montana Fish, Wildlife, and Parks. From the official report, p. 10:Claw marks...