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
Lee Harvey Oswald the military occupational specialty of Aviation Electronics Operator. On July 9, he reported to the Marine Corps Air Station El Toro then departed for Japan the following month, where he was assigned to Marine Air Control Squadron 1 at Naval Air Facility Atsugi near Tokyo. Like all marines, Oswald was trained and tested in shooting. In December 1956, he scored 212, which was slightly above the requirements for the designation of "sharpshooter". In May 1959 he scored 191, which reduced his rating to "marksman". Oswald was court-martialed after he accidentally shot himself in the elbow with an unauthorized .22 caliber