Hatemonger Hill ID: 507 | This file appears in: The Assassination of an Arlington Nazi Rockwell in front of the American Nazi Party's headquarters in Arlington. The house (known as Hatemonger Hill) was torn down and the site is now a picnic area located in Upton Hill Regional Park | Source: Arlington Historical Society Download Original File SourceArlington Historical Society "Hatemonger Hill" appears in: The Assassination of an Arlington Nazi