The National Park Service investigative report issued by Yellowstone National Park and a Board of Review report issued by the Interagency Grizzly Bear Committee on the August 2011 fatal bear attack in Yellowstone have been released to the public. The body of 59-year old John Wallace of Chassell, Michigan, was discovered Friday, August 26, 2011, along the Mary Mountain Trail in Hayden Valley. The report includes details regarding the investigation and autopsy, which confirmed that Wallace died of traumatic injuries from a grizzly bear attack.
The Board of Review report is available online at http://www.fws.gov/mountain-prairie/species/mammals/grizzly/yellowstone.htm.
The complete National Park Service Investigative Report covering this incident has also been released. It is available online at http://www.nps.gov/aboutus/foia/foia-frd.htm.