lone gunman

== English == === Etymology === From the Warren Commission's lone gunman theory, that the assassination of U.S. President John F. Kennedy was the work of a single individual, subsequently applied to numerous other political assassinations and shootings. === Pronunciation === === Noun === lone gunman (plural lone gunmen) (idiomatic) An individual person who acts on his or her own initiative, without partners, especially one who has sole responsibility for doing something questionable, confidential, or iniquitous. ==== Synonyms ==== maverick rogue === See also === march to the beat of a different drum scapegoat