David Berkowitz: The Son of Sam
This feature story is taken primarily from the following sources: Lawrence D. Klausner's book entitled Son of Sam (McGraw-Hill, 1981), the New York Times, and the New York Post.
Other sources were:
Abrahamsen, David, "Confessions of Son of Sam."
Breslin, Jimmy and Dick Schaap, .44 (novel based on the Son of Sam murders).
Leyton, Elliott, "Hunting Humans: Inside the Mind of Mass Murderers."
Terry, Maury, The Ultimate Evil.
Ressler, Robert K. and Tom Shachtman, "Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for The FBI."