What can today’s top C.S.I.-level forensic sciences bring to a really, really cold case? That’s what Nova asks tonight, as it poses, and attempts to answer, the question: Who Killed Lindbergh’s Baby? In 1932, the 18-month-old son of famous aviator Charles Lindbergh was taken from his crib, kidnapped with a ransom note left behind. Yet two months later, the baby’s body was found, and evidence at the time led to the arrest, conviction and execution of German immigrant Bruno Hauptmann. How does that case hold up now? Check local listings.