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
U.S. National Commission on the Causes and Prevention of Violence U.S. National Commission on the Causes and Prevention of Violence The U.S. National Commission on the Causes and Prevention of Violence (National Violence Commission) was formed by President Lyndon B. Johnson in on June 10, 1968, after the assassinations of Reverend Martin Luther King, Jr. and Senator Robert F. Kennedy. The National Violence Commission established task forces on assassination, group violence, individual acts of violence, law enforcement, media and violence, firearms, and violence in American history. As reported by John Herbers in the "New York Times", the Chairman of the Commission, Milton Eisenhower, stated that the Task Force Report on