In his film, Cold Case Hammarskjold, Danish filmmaker Mads Brügger investigates the mysterious 1961 airplane crash in Africa that killed Swedish diplomat Dag Hammarskjöld, then secretary-general of the United Nations. Ultimately, the movie affirms some of the conspiracy theories that have surrounded the tragedy for decades. It screens today at 6:30 p.m. at the Cleveland Museum of Art. Tickets cost $10, or $7 for CMA members. (Niesel)