weapons of destruction) 出席參議院聽證會時,他說: 已死於槍暴的人 多於 我們國家歷史上的每個戰爭 (there are more people that have died of gun violence than in every single war in our nation’s
(原始内容存档于2018-07-19) (英语). Gupta, Dipak K. Understanding terrorism and politicalviolence: the life cycle of birth, growth, transformation, and demise [理解恐怖主义和政治暴力:诞生、成长、转变和消亡的生命周期]
Peter. Conservatives Conjure Up Liberal Support for Antifa Violence. The Atlantic (Washington, D.C.: Emerson Collective). 2019-07-04 [2020-06-01]. (原始内容存档于2019-12-16)