“If you look back in history, there has always been a series of far-right extremist movements responding to new waves of immigration to the United States or to movements for civil rights by minority groups,” Mr. Pape said. “You see a common pattern in the Capitol insurrectionists. They are mainly middle-class to upper-middle-class whites who are worried that, as social changes occur around them, they will see a decline in their status in the future.”
www.nytimes.com/2021/04/06/us/politics/capitol-riot-study.html