ZodiacKiller.com - Information on the victims and suspects, Zodiac letters. Audio files, photos of some of the locations of the crimes. Subscriber-only message board. Zodiac Killer Facts - A summary of the unsolved string of murders, analysis of some theories, critique of Robert Graysmith's books. Also unravels some mistaken interpretations of the evidence. FBI Freedom of Information Act: Zodiac Killer - Documents available to the public, in connection with the Zodiac Killer investigation. More than a thousand pages. Grouped in five parts, in PDF. Requires JavaScript. The Zodiac Killer - Information on the murders and the investigation into the murderer's identity. Zodiologists.com - Offers personal views and opinions, as well as letters and ciphers pertaining to the case. Zodiac Ciphers - A comprehensive summary of the case of the Zodiac Killer and numerous analysis-based articles. The Zodiac Revisited - Analysis and discussion of all aspects of the case of the Zodiac Killer. ZodiacKillerSite.com - An active message board community dedicated to discussing the unsolved case of the Zodiac Killer. Zodiac Killer Ciphers - An extensive collection of information about the Zodiac Killer's ciphers, including online applications for analyzing and exploring possible solutions.