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September 12, 2026Short & citedBlog
Civic Viewpoint.
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Civic Brief • Assassin

Lee Harvey Oswald

Lee Harvey Oswald (1939–1963) was an American former Marine and the accused assassin of U.S.

Updated September 12, 20261 min readCited sources

Lee Harvey Oswald was a former U.S. Marine accused of assassinating President John F. Kennedy in 1963. He was killed two days after his arrest, before any trial.

Who was Lee Harvey Oswald?

Born in New Orleans in 1939, Oswald had a troubled childhood and joined the Marine Corps as a teenager. He later defected to the Soviet Union, returning to the U.S. with his Russian-born wife, Marina. By 1963, he was working at the Texas School Book Depository in Dallas.

What happened in the Kennedy assassination?

On November 22, 1963, President Kennedy was shot and killed while riding in a motorcade in Dallas. Oswald was arrested later that day and charged with the assassination. Two days later, while being transferred in police custody, he was fatally shot by nightclub owner Jack Ruby.

Why does it matter?

The Warren Commission concluded that Oswald acted alone, but the case remains controversial and has fueled decades of conspiracy theories. The assassination had a lasting impact on North American public life, media coverage, and political discourse, including in Canada.

In short

  • Oswald was a former Marine who defected to the Soviet Union.
  • He was arrested for assassinating President Kennedy but never tried.
  • He was killed by Jack Ruby two days after his arrest.
  • The Warren Commission ruled he acted alone, though doubts persist.
Canadian angle

The Kennedy assassination was a major North American historical event and shaped public life, media coverage, and conspiracy debates in Canada as well as the United States.

Quick questions

Who was Lee Harvey Oswald?
He was an American former Marine and the accused assassin of President John F. Kennedy.
How did Lee Harvey Oswald die?
He was shot by Jack Ruby on November 24, 1963, while in police custody in Dallas.
What did the Warren Commission conclude?
It concluded that Oswald acted alone in the assassination of President Kennedy.

Sources

  1. Encyclopaedia Britannicahttps://www.britannica.com/biography/Lee-Harvey-Oswald
    Supports: Birth and death dates, identification as the accused assassin, and death by Jack Ruby.
  2. U.S. National Archiveshttps://www.archives.gov/research/jfk/warren-commission-report/chapter-7.html
    Supports: Warren Commission conclusion that Oswald acted alone.
  3. Texas State Historical Associationhttps://www.tshaonline.org/handbook/entries/oswald-lee-harvey
    Supports: Birthplace, Marine Corps service, arrest, and death in Dallas.
  4. EBSCO Research Startershttps://www.ebsco.com/research-starters/history/lee-harvey-oswald
    Supports: Marine Corps service, defection to the Soviet Union, return to the U.S., and work at the Texas School Book Depository.