Question: Aside from an author, what was the profession of the man who Joseph Paul Franklin based his novel "Hunter" on?
Sentence (from "Joseph Paul Franklin"): Joseph Paul Franklin (born James Clayton Vaughn, Jr.; April 13, 1950 – November 20, 2013) was an American serial killer who gained notoriety for numerous murders in the late 1970s and early 1980s.
Relevant evidence: No