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.

Four page handwritten letter dated, 17 August 2003 and hand signed, Hadden.
Includes the original prison stamped mailing envelope postmarked Aug 18, 2003 hand signed, Clark.