The latest white nationalist killing comes after the Department of Homeland Security disbanded its domestic terrorism unit last year, reassigning its analysts to other departments. DHS says the threat of “homegrown extremism” has been significantly reduced, but in a review of 50 murders committed by extremists in 2018, the Anti-Defamation League found 49 came at the hands of right-wing extremists, with white supremacists alone accounting for 39 of the murders.