Hadden Irving Clark, serial killer suspected of murders in several northeastern states. Serving a life sentence for a murder conviction in Maryland. Hadden is known to use many female aliases but his most well known is Kristen.

Two page letter hand dated June 25, 2008 and hand signed at the close, Hadden.
Includes the original prison stamped mailing envelope postmarked June 2008 and hand signed, Hadden Clark. 

Hadden Clark Two Page Letter and Envelope Both Signed