CrimeLibrary: David Berkowitz, the Son of Sam: Photographs and information about his victims, and the story of his capture.
David 'Son of Sam' Berkowitz: Includes a biography, quotes, photographs and letters Berkowitz sent to the Police.
Forgiven for Life: Official site of David Berkowitz, providing Christian testimonies, daily journal, and online video. Also provides letters and open letters, discussion of the purpose of the site, and links to devotionals.
Infamous Serial Killer: Son of Sam: A biography of David Berkowitz and an excerpt of one of his letters to the Police.
Long Island History: Won't Let Me Stop Killing: A detailed overview of David Berkowitz's case, with archive photographs.
Salon.com: David Berkowitz kvetches about Spike Lee's "Summer of Sam": Berkowitz's reactions to a film made about him.
Son of Sam - David Berkowitz: A very detailed biography, information about 'Operation Omega' and a photograph of Berkowitz.
The Smoking Gun: David Berkowitz: Complete text of the New York State parole board decision, and the letter Berkowitz wrote to New York Governor George Pataki about the same issue.