J. D. Tippit answer questions surrounding the events. President Johnson also hoped to quell rumors that arose after Oswald was shot by Jack Ruby that the assassination and subsequent shootings were part of a conspiracy. The committee, known as the Warren Commission (named for the commission chairman, Chief Justice Earl Warren), spent ten months investigating the murders and interviewing witnesses. On September 24, 1964, the Warren Commission released an 888-page report that concluded there was no evidence of a conspiracy and Lee Harvey Oswald acted alone in killing President Kennedy and Officer Tippit. The report also concluded that Jack Ruby acted alone in
Royal Commission on the Press to the importance, in the public interest, of the accurate presentation of news and the free expression of opinion." This Commission was not concerned with the performance of the Press or with general ethical questions. The members of the commission were appointed by Royal Warrant on 4 March 1961. Lord Shawcross was appointed chairman. The main archive for the Commission is The National Archives. The final report of the Commission was presented to Parliament on 5 September 1962 as a command paper (Cmnd 1811) and the minutes of oral and written evidence are published as Command Papers 1812 and 1812-1