Kehoe murdered Killing his wife Nellie sometime between May 16 and the morning of May 18 , 1927 ; she had just been discharged from the hospital with an undefined illness .

Kennedy was riding Self_motion with his wife Jacqueline , Texas Governor John Connally , and Connally 's wife Nellie when he was fatally shot Use_firearm by former U.S. Marine Lee Harvey Oswald firing Use_firearm in ambush Attack from a nearby building Building .