Grizzly Man chronicles the life and death of bear enthusiast Timothy Treadwell. The film includes some of Treadwell's own footage in Katmai National Park and Preserve, Alaska.
Treadwell and his girlfriend Amie Huguenard in 2003. Treadwell's footage was found postmortem.
Treadwell claimed he had "gained the trust" .
One park ranger suggested that the bears were so confused by Treadwell's direct contact that .
Other park rangers point out that Treadwell endangered grizzly bears with his actions.
By familiarizing the bears with human contact, Treadwell increased the likelihood that and cause a confrontation in which they would have to be put down.