Question: Aside from an author, what was the profession of the man who Joseph Paul Franklin based his novel "Hunter" on?

Context articles: Larry Flynt
William Luther Pierce
Storyline (album)
Paul Crouch Jr.
Criminal Mindscape
Joseph Paul Franklin
Joe Visner
The Lady of Scandal
Byron Franklin
Blue Montana Skies

Larry Claxton Flynt Jr. (born November 1, 1942) is an American publisher and the president of Larry Flynt Publications (LFP).
 LFP mainly produces sexually graphic videos and magazines, most notably "Hustler".
 Flynt has fought several prominent legal battles involving the First Amendment, and has unsuccessfully run for public office.
 He is paralyzed from the waist down due to injuries sustained in a 1978 murder attempt by Joseph Paul Franklin.
 In 2003, "Arena" magazine listed him at No. 1 on the "50 Powerful People in Porn" list.
William Luther Pierce III (September 11, 1933 – July 23, 2002) was an American white supremacist, author, and political activist.
 He was one of the most influential ideologues of the white nationalist movement for some 30 years before his death.
 A physicist by profession, he was also an author under the pseudonym Andrew Macdonald of the novels "The Turner Diaries" and "Hunter".
 Pierce founded the National Alliance, a major white nationalist organization, which he led for almost thirty years.
Storyline is the second major label studio album released by American country music artist Hunter Hayes, released on May 6, 2014 through Atlantic Records.
 As with his previous album, every song is co-written and co-produced by Hayes.
 However, instead of performing all the instrumentals himself as he did on "Hunter Hayes", on this release Hayes opted to feature guest musicians, including his touring band and Paul Franklin, the steel guitar player behind Vince Gill's "Bakersfield".
Paul Franklin Crouch Jr. (born March 13, 1959) is an American Christian broadcaster.
 He currently serves as chairman and chief studio designer for Cinemills Corporation.
 However, he is best known for his long association with the Trinity Broadcasting Network (TBN), which was founded by his parents Paul and Jan Crouch.
Criminal Mindscape is a television documentary series on MSNBC that profiles the minds of extreme criminals.
 Different interviewers interview subjects such as Ron Luff and Joseph Paul Franklin.
 Interviewers are often from various fields of criminal justice as opposed to journalism.
 Interviewers attempt to develop psychological profiles of individual criminals.
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.
 His killing spree was the subject of a fictional novel entitled "Hunter" by White supremacist William L. Pierce, who said of Franklin that “he saw his duty as a white man and did what a responsible son of his race must do.”
Joseph Paul Visner (born "Joseph Paul Vezina": September 27, 1859 – June 17, 1945) was a 19th-century Major League Baseball outfielder and catcher born in Minneapolis, Minnesota.
 He played from 1885 to 1891, mostly in the American Association.
 Visner also has the distinction of being one of the few Native Americans to play professionally in the years prior to the arrival of the much more famous Louis Sockalexis.
The Lady of Scandal is a 1930 American film directed by Sidney Franklin based on a play by Frederick Lonsdale and starring Ruth Chatterton, Basil Rathbone and Ralph Forbes.
 Its plot follows a British actress who becomes involved with a member of an aristocratic family, who try desperately to thwart the match.
 It is also known by the alternative title of The High Road.
Byron Paul Franklin (born September 3, 1958 in Florence, Alabama) is a former professional American football wide receiver in the NFL for the Buffalo Bills and Seattle Seahawks.
 He played college football at Auburn University.
 A native of Sheffield, Alabama, Franklin starred in football at Auburn from 1976–1980 and received a B.S. in vocational and distributive education in 1991.
 His professional football career lasted from 1981 to 1987.
 He served as assistant director of athletic development at AU from 1991-93.
 Appointed to the AU Board of Trustees by Gov. Don Siegelman, Franklin represented the 9th District from 1999 to 2012.
 During his term, he chaired the university Student Affairs committee.
Blue Montana Skies is a 1939 American Western film directed by B. Reeves Eason and starring Gene Autry, Smiley Burnette, and June Storey.
 Based on a story by Norman S. Hall and Paul Franklin, the film is about a singing cowboy who goes up against a gang of fur smugglers operating near the Canada–United States border.