http://www.slate.com/articles/health_and_science/death_in_yellowstone/2012/04/grizzly_bear_attacks_how_wildlife_investigators_found_a_killer_grizzly_in_yellowstone_.html

On Friday a hiker was found dead in Yellowstone National Park. CNN reports that based on a preliminary invesitgation, "an adult female grizzly and at least one cub were present" at the hiker's death, and that, if found, bears involved in human fatalities are generally euthanized. In 2012, Jessica Grose wrote about death in Yellowstone. Her story is reprinted below.

Also see our Magnum Photos gallery on bears.