Dennis Lynn Rader Wichita, Kansas Bind Torture Killer serial murderer aka "BTK" who was captured in 2005, three decades after his killing spree began.

One page handwritten letter dated November 14, 2013 written on white lined paper. Hand signed twice on the front, D.L. Rader, and again, Dennis.
BTK has included 6 pages for a package order form which he has filled out for the recipient to order the items he's requested. 
Includes the 6" x 9" prison stamped mailing envelope postmarked November 15, 2013 completely written by BTK and hand signed, Dennis L. Rader.

Dennis Rader 1 Page Letter and Envelope Both Signed With Inserts