Gary Michael Heidnik an American murderer who kidnapped, tortured and raped six women who he kept as sex slaves in his basement at 3520 North Marshall Street in Philadelphia, Pennsylvania. He was convicted of killing two of the women he held captive. Heidnik was executed by the State of Pennsylvania on July 6, 1999. 
 

 Two page 8 1/2 x 14" handwritten letter.  Heidnik has drawn a smiley face on the second page.  Interesting content  In part, Heidnik writes ".... Well, I get carried away a lot but it felt good getting that out." Signed in full in the upper right corner, "Sir Gary M Heidnik" with his complete address. 

Signed again at the close, "Anon, Sir Gary".