Dennis Lynn Rader is an American serial killer known as BTK, the BTK Strangler or the BTK Killer. Between 1974 and 1991, BTK killed ten people in Wichita and Park City, Kansas. Rader pleaded guilty and was sentenced to to 10 consecutive life sentences.
 
8” x 10” four page letter on two sheets of paper. At the top of the first page he has initialed the top of the first page THREE TIMES, DLR! He has also intialed the back of pages 2 and 3, DLR and hand signed at the close in red ink, Cave Love, Dennis.
Includes a 4" x 8 1/2" hand drawn Thanksgiving card which opens to 5 1/2" x 8 1/2" which has been signed with three variations of his signature, DLR, Dennis and again on the back of the card, Dennis L. Rader.
Rader also included two inserts of the same Seinfeld article from his copy of the Sunday November 16, 2014 Wichita Eagle.
 Includes the original prison stamped envelope postmarked November 24, 2014 and hand signed, Dennis L. Rader, with his and the recipient's complete addresses written by BTK.