He worked for local government and took great pleasure in punishing people for small infractions.
“In May 1991, Rader became a dogcatcher and compliance officer in Park City.[20][25][26][27] In this position, neighbors recalled him as being sometimes overzealous and extremely strict, as well as taking special pleasure in bullying and harassing single women.[28] One neighbor complained that Rader killed her dog for no reason.[29]”
The guy had a many varied career [psycho] path.