David Richard Berkowitz  also known as the Son of Sam and the .44 Caliber Killer, is an American serial killer convicted of a series of shooting attacks that began in the summer of 1976. Perpetrated with a .44 caliber Bulldog revolver, the shootings continued for over a year, leaving six victims dead and seven others wounded. As the toll mounted, Berkowitz eluded a massive police manhunt while leaving brazen letters which promised further murders. Highly publicized in the press, the killings terrorized the people of New York City and achieved worldwide notoriety.

Two page typed letter (on larger legal sized paper) signed David in Pen. Letter is general content and religious in nature. Berkowitz included several religious print outs and tracts with the letter which are also included. Original typed envelope is included.