Lawrence Bittaker serial killer dubbed the "Murder Mack" and "Toolbox Killer.” Bittaker was sentenced to death in March 1981 while his accomplice Roy Norris received 45 years to life. Bittaker passed away in prison on December 13, 2019.

Two page typed letter on one sheet of paper and hand signed at the close, Larry.
Bittaker has included four sheets that he removed from his copy of the Title 15 prison rules book.
 
Includes the original prison mailed envelope postmarked February 4, 2015 with a San Quentin stamp on the front.