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 signed in full. Content revolves around his faith in Christ. Assorted religious tracts, pamphlet and a recent printed article is included as is the original typed envelope. Letter is quite rare as it is signed in full.