Show title: POV

Video title: If a Tree Falls: Interview with Sam Cullman

Video description: The co-director of 'If a Tree Falls: A Story of the Earth Liberation Front,' Sam Cullman, talks about FBI informants, radical environmentalism and post-9/11 counterterrorism efforts. He describes how the film came together, how he and his co-director gained trust from their subjects and how they found the archival footage that constitutes a good portion of the film.