David Berkowitz serial killer dubbed the Son of Sam.
8 1/2" x 11" two page typed letter dated August 19, 1991, typed signed, David with the bottom of the 2nd page circled by Berkowitz. Berkowitz has included four articles clipped from his newspaper.
 
Includes the original prison issued envelope postmarked, Fallsburg, NY, with 9 lines of address penned by Berkowitz, and hand signed, David Berkowitz.