Jack Ruby Jack Ruby Jack Leon Ruby (born Jacob Leon Rubenstein; April 25, 1911 – January 3, 1967) was the Dallas, Texas nightclub owner who fatally shot Lee Harvey Oswald on November 24, 1963, while Oswald was in police custody after being charged with assassinating U.S. President John F. Kennedy and the murder of Dallas policeman J. D. Tippit about an hour later. A Dallas jury found him guilty of murdering Oswald, and he was sentenced to death. Ruby's conviction was later appealed, and he was granted a new trial. However, on January 3, 1967, as the date for his new trial
J. D. Tippit the killing of Lee Harvey Oswald. In 1979, the House Select Committee on Assassinations reported: "Based on Oswald's possession of the murder weapon a short time after the murder and the eyewitness identifications of Oswald as the gunman, the committee concluded that Oswald shot and killed Officer Tippit." Some conspiracy theorists have alleged that the murder of Officer Tippit was part of a conspiracy to kill President Kennedy. Implying that two murders could not have happened so closely together by coincidence, his killing is often referred to as the "Rosetta Stone" to the solution of the Kennedy assassination by critics