David Berkowitz is an American serial killer dubbed the Son of Sam and the .44 Caliber Killer. Berkowitz pled guilty to 8 shootings and is serving life in prison.

8 1/2" x 11" two  page typed letter dated January 12, 1998 and hand signed at the close, David Berkowitz.
Berkowitz has included two inserts. The first is an 8 1/2" x 11" tri-folded Eternal Life Insurance ad and a flyer on how to make heaven your home.
Includes the original prison stamped and issued envelope postmarked January  13, 1988. 

David Berkowitz Signed Letter With Envelope Plus Inserts