» Crime Library: The Zodiac Killer    About the uncaught serial killer who terrorized Napa and the Bay Area in the 1970s.    http://crimelibrary.com/zodiac/zodiac/zodiacmain.htm

» Karisable.com: The Zodiac Killers    Talks about the crimes committed by the elusive Zodiac Killer and a copycat killer, Heriberto "Eddie" Seda.    http://www.karisable.com/skazzodiac.htm

» The Zodiac Killer    Provides detailed information on the victims and the possible suspects.    http://www.se7en-x.com/zodiac/crimes.htm

» This is the Zodiac Speaking    Presents an overview and analysis of the case.    http://members.aol.com/Jakewark/

» Zodiac Killer    A mailing list for people interested in talking about his methods and victims.    http://groups.yahoo.com/group/zodiackiller/

» ZodiacKiller.com    Information on the victims and suspects, rare Zodiac letters, original documents, and a message board.    http://www.zodiackiller.com/