On November 22, 1963, he was assassinated in Dallas, Texas. Vice President Lyndon B. Johnson assumed the presidency upon Kennedy's death. Marxist and former U.S. Marine Lee Harvey Oswald was arrested for the state crime, but he was shot and killed by Jack Ruby two days later. The FBI and the Warren Commission both concluded Oswald had acted alone in the assassination, but various groups contested the Warren Report and believed that Kennedy was the victim of a conspiracy. Other countries have had forces serving outside their own country, but for conquest. We have two divisions in South-Korea, not to control South-Korea, but to defend it. We have a lot of Americans in South Vietnam.