James Schreckengost aka "Max" a convicted murderer who was also a founder of the Aryan Brotherhood while he was serving a life sentence in California. 

11" x 14" detailed prison pen ink drawing of birds and trees which was done while Schreckengost was housed in California's infamous Protective Housing Unit (PHU) at Corcoran State Prison.

James Schreckengost Amazingly Detailed Prison Drawing