Jack Ruby was the American nightclub owner who fatally shot Lee Harvey Oswald, the suspected assassin of President John F. Kennedy, on November 24, 1963. He was convicted of murder and sentenced to death. However, before the retrial could be held, he became ill, was diagnosed with cancer, and died of a pulmonary embolism on January 3, 1967
. Ruby's actions and the events surrounding the Kennedy assassination have led to various conspiracy theories, with some speculating that he was part of a larger plot
