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Jack Ruby's motive for killing Lee Harvey Oswald

The fact-check examines various motives behind Jack Ruby's action of killing Lee Harvey Oswald, including rage, desire to spare Jacqueline Kennedy the trauma of a trial, fear of anti-Semitism, and desire for fame, but concludes that no single motive is definitively proven.

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Jan 14, 2026
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What mental health or psychological evaluations exist for Jack Ruby?

Multiple formal psychiatric and psychological examinations of Jack Ruby exist in the public record: jail-administered psychological tests in late December 1963 and January 1964, a preliminary diagnost...