My memory is he ran as a Democrat but was really a libertarian.
Anti wall street
Anti Israel
Heavy on conspiracy theories
Well, then there’s this...(Wiki)
“LaRouche wrote in his 1987 autobiography that violent altercations had begun in 1969 between his NCLC members and several New Left groups when Mark Rudd’s faction began assaulting LaRouche’s faction at Columbia University.[44] Press accounts alleged that between April and September 1973, during what LaRouche called “Operation Mop-Up”, NCLC members began physically attacking members of leftist groups that LaRouche classified as “left-protofascists”; an editorial in LaRouche’s New Solidarity said of the Communist Party that the movement “must dispose of this stinking corpse.”