John Edward Robinson aka John Osborne dubbed the "Internet Slave Master". Robinson is an Olathe, Kansas serial killer who stored some of his victims in barrels. Robinson is currently awaiting execution for two of the three murders which he was found guilty of committing. Robinson is believed to have killed at least four other women.

One page handwritten letter to his grandson which includes a drawing of a Tasmanian Devil type character in the top right corner.  Signed, Papa.

John Edward Robinson Signed Letter with Drawing to his Grandson