Norman Bates, Dr. Hannibal Lecter, Leatherface, The Zodiac Killer, Jigsaw, John Doe, etc. It appears that serial-killers have become a crowded niche in Hollywood's character archive. But what's scary is not the film-fiction -- it's that most stories are based on real-life events ...
CrimeLibrary.com is a website dedicated to archive and detail the horrors of psychopaths, terrorists, mob bosses, murderers, sexual predators and serial killers. It's definitely not for the light-hearted.
But it provides a wide range of information. Also on the Zodiac.
If you feel inclined to follow up on the backstory of the Zodiac Killer murders, the site hosts an incredibly detailed article about the case. For those, who are not familiar with the real-life basis for David Fincher's recent film this gives a good insight into the case, it's traps and the difficulties in the investigation.
"The Zodiac Killer - Full Story"
Browsing around CrimeLibrary isn't exactly fun, it's actually rather scary! But for anyone interested, here is another article I highly recommend: It's an account of real-life murderers and serial killers -- and which movies they inspired.
"Serial Killer Movies"