 He founded the Traditionalist Workers Party (TWP), which ceased operation in March 2018 when he was arrested for assaulting Matt Parrott, a co-founder and his father-in-law, in the course of Heimbach's pursuit of a sexual affair with his mother-in-law (Parrott's wife).Prior to his affair with his mother-in-law, Heimbach had assembled a community of neo-Nazis and anti-Jewish conspiracy theorists in a Paoli, Indiana trailer park.Heimbach was considered the leader of this community, and had received media attention for his role in this regard, but lost credibility following the incident with his parents-in-law.