Do you use a pen daily? Do you have a true crime obsession?  These pens are for you!  Ricardo "Richard" Leyva Muñoz Ramirez, dubbed Night Stalker, Valley Intruder, and Walk-in Killer was an American serial killer whose crime spree took place in California between June 1984 and August 1985. He was convicted and sentenced to death in 1989. He died in 2013 while awaiting execution.  Included in the body of this pen is a piece of rubber from his shoe.