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 a warning. I will blow up the FBI and the Dallas Police Department if you don't stop bothering my wife" [signed] "Lee Harvey Oswald." The note allegedly contained some sort of threat, but accounts vary as to whether Oswald threatened to "blow up the FBI" or merely "report this to higher authorities". According to Hosty, the note said, "If you have anything you want to learn about me, come talk to me directly. If you don't cease bothering my wife, I will take the appropriate action and report this to the proper authorities." Agent Hosty said that he destroyed Oswald's