Set to go down as the Blair Witch of the documentary world, Tarnation was completed using a free Apple video editor and just over $200. There is also the small matter that the media used, an assortment of various video formats, photographs, TV footage, answer phone messages and music, was collected over 20 tough years. Caouette picked up a camera when he was 11 to chronicle his mother’s mental decline since her disturbing childhood, and after sifting through masses of collected material what follows is a stream of consciousness; images and sound cut together as if they tumbled from the filmmaker’s psyche as he recalls them.