Jack Leon Ruby (born Jacob Leon Rubenstein; March 25, 1911January 3, 1967) was an American nightclub owner who murdered Lee Harvey Oswald on November 24, 1963, two days after Oswald was accused of the assassination of President John F. Kennedy. Ruby shot and mortally wounded Oswald on live television in the basement of Dallas Police Headquarters and was immediately arrested. In a trial, Ruby was found guilty and sentenced to death. The conviction was appealed, and he was to be granted a new trial, but Ruby became ill, was diagnosed with cancer, and died of a pulmonary embolism on January 3, 1967. Wikipedia
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