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" three page letter dated September 2, 2020 and hand signed at the close, David.
 
Includes the original prison stamped envelope postmarked September 3, 2020 with his typed name and return address appearing on both sides of the envelope.