Are you meant to whistle, or are you only meant to whistle before you've met a bear, in order to preemptively scare it off? All questions to ponder while you work your way through Grizzly Man.

The fact-based movie centers on the courageous actions of a young Glacier National Park ranger to help keep visitors safe amid two grizzly bear attacks in the summer of 1967. FourJFilms is founded ...