OBESSED: The Stalking Of Theresa Saldana. "Given the turmoil of his life, almost anything could have triggered a turn to an ugly, new course for this emotionally fragile man. He had no faculty for coping with life's stresses, which now must have appeared to be mounting furiously against him. "As it happened, it was a movie that captured Arthur Jackson's peculiar imagination. He was spurred to action, which he believed would bring spiritual satisfaction to his empty existence."