Episode 32 of "Bones"
s02e10 The Headless Witch in the Woods

When the headless body of a young man, along with a video camera full of documentary footage, is discovered in the DC-area woods, Brennan and Booth are called in to determine identify the year-old remains and determine if a murder was committed. The body is proven to be that of University of Virginia film student Graham Hastings, who had disappeared a year before while making a documentary about the local legend of a woman thought to be a witch who beheaded anyone who dared to look for her. In a mysteriously parallel set of circumstances, Brennan and the team find that Graham was beheaded by an axe. After examining the dark, chaotic and choppy footage from Grahams camera, Brennan and Booth learn that two other people Grahams girlfriend Lori and fellow classmate Brian were in the woods with Graham on the night of his disappearance. DNA on the axe used to murder Graham leads a shocking revelation of the killers identity. Meanwhile, Brennan befriends Grahams brother, Will, when she finds out that he, too, was an orphan, but the friendship quickly dissolves when the truth behind his brothers murder is uncovered.