American Serial Killer – Dennis Rader (b.1945) Original Hand Written Letter – a hand written letter, 8pp, with erratic annotations and illustrations, in reply to a letter from a female, stating that he receives 1000s of letters and was wondering why her letter was late and to say hi to the family, comes with original envelope dated 2009, signed ~Your friend Dennis~, plus a signed printed ~Spring~ poem on a single sheet, coloured with illustrated front and rear, folded in the centre, with signature in red below the printed text (2), together with Dennis Rader (b.1945) Personal Calculator – the personal calculator with ~Rader~ scratched to the top, with a Kansas Department of Corrections Inmate Property Receipt signed by Rader dated 2013, plus a signed photograph from Rader inscribed ~The Mad-Non-Hatter~ dated 2014 and signed and inscribed the same on the reverse of the print (5) Note: Dennis Lynn Rader (b.1952) is an American serial killer who murdered 10 people between 1974 and 1991. Known as the ~BTK Killer~ or the ~BTK Strangler~, ~BTK~ stands for ~Blind, Torture, Kill~, which was his infamous signature. Currently serving 10 consecutive life sentences in Kansas.