Douglas Clark along with his lover Carol Bundy was convicted in a string of 1980 murders dubbed the Sunset Strip Murders/Slayings which took place in California.  Clark has always maintained his innocence and says that the murders were committed by Carol Bundy and Jack Murray who Carol was convicted of decapitating and killing. Carol Bundy died in prison while Doug currently awaiting execution. 

8 1/2" x 11" copy of a notarized letter dated October 7, 1997 which he sent to the social security administration inquiring on how to obtain his social security card.
Signed, "Douglas Clark".

Douglas Clark Notarized Letter To Social Security Signed