Hadden Irving Clark serial killer suspected of murders in several states. Hadden is known to use many female aliases but his most well known is Kristen. 

Creepy Girl Scouts card hand signed on the inside, God Bless You Always, Love, Hadden.
Includes the original prison stamped mailing envelope postmarked August 28, 2007 and hand signed, Hadden Clark.

Hadden Clark Girl Scouts Card and Envelope Set Both Signed