William George "Bill" Bonin aka "The Freeway Killer" was an American serial killer executed by the state of California on February 23, 1996. 

8 1/2" x 11" two  page typed letter sent by Bonin to his codefendant James Michael Munro.
Typed letter on one sheet of paper dated November 5, 1994 with a typed signature, As ever, Bill.