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What Killed JFK? The Unsolved Assassination Mystery

John F. Kennedy’s death on November 22, 1963, in Dallas, Texas, remains one of the most intensely examined events in modern American history. Within hours, the world watched a...

Mara Ellison Aug 05, 2026
What Killed JFK? The Unsolved Assassination Mystery

John F. Kennedy’s death on November 22, 1963, in Dallas, Texas, remains one of the most intensely examined events in modern American history. Within hours, the world watched as a president was cut down during a public motorcade, and the official explanation quickly collided with a flood of questions.

To understand what killed JFK, people examine the shots, the evidence, the official reports, and the many competing theories that followed. Below is a structured overview of key investigative anchors and contextual details related to the assassination.

Date Time (CST) Location Event Immediate Consequence
November 22, 1963 11:37 a.m. Love Field, Dallas President arrives for campaign visit Motorcade route finalized through Dealey Plaza
November 22, 1963 12:30 p.m. Dealey Plaza, Dallas Motorcade passes through plaza; shots fired President struck, pronounced dead at Parkland Hospital
November 22, 1963 1:00 p.m. Air Force One, Dallas Love Field Oath administered to Vice President Lyndon B. Johnson sworn in as President
November 24, 1963 11:21 a.m. Dallas Police Headquarters Lee Harvey Oswald shot by Jack Ruby Alleged lone gunman killed before trial

Dealey Plaza And The Zapruder Film

The physical sequence of events in Dealey Plaza has been scrutinized through still photographs, eyewitness accounts, and the now-famous Zapruder film. This 8 mm home movie captured the final seconds of President Kennedy’s life and became central to forensic analysis of the shooting.

Analysts study the film to determine the number of shooters, entry and exit wounds, and the timing of each shot. The visual record reveals the severe head trauma that led to immediate incapacitation and death, while also fueling debate over the direction and origin of the bullets.

Warren Commission Findings

Lone Gunman Theory

The Warren Commission concluded that Lee Harvey Oswald acted alone, firing three bullets from the sixth floor of the Texas School Book Depository. The report identified the fatal shot as a final head shot, consistent with the damage observed in the Zapruder film and medical records from Parkland Hospital.

Ballistic And Timing Evidence

Investigators traced a bullet that struck both President Kennedy and Governor John Connally, known as the “single-bullet theory.” They argued that this trajectory supported the idea that all shots came from the rear, specifically the sixth-floor window where Oswald was located.

Forensic And Medical Evidence

Autopsy photographs, X-rays, and medical reports describe massive head trauma consistent with a high-velocity impact to the front and rear of the skull. This evidence underpins the official cause of death: gunshot wounds incurred during the motorcade attack.

Disagreements over the back-and-forward movement of the president’s head have led to speculation about additional gunmen on the grassy knoll or elsewhere. These debates continue to shape public perception and motivate further research by historians and independent analysts.

Subsequent Investigations And Records

In the decades after the assassination, the House Select Committee on Assassinations reopened the case amid public skepticism. Their work suggested the possibility of a second shooter, while acknowledging that key acoustic evidence remained ambiguous and subject to interpretation.

Government agencies have periodically released previously sealed documents, offering new context about Oswald’s movements, intelligence failures, and potential links to foreign powers. Yet no single investigation has fully satisfied those who believe deeper coordination was involved.

The Continuing Search For Clarity

More than six decades after that day in Dallas, the question of what killed JFK persists because of gaps in public understanding, conflicting expert views, and enduring distrust in official narratives.

  • Study the official reports and the Zapruder film to understand the core evidence.
  • Compare multiple independent analyses to weigh different interpretations of the shots.
  • Track declassified documents for updates on intelligence, Oswald’s activities, and possible conspirators.
  • Approach speculative claims with critical thinking and demand credible sourcing.
  • Recognize the limits of available evidence and the role of uncertainty in historical debates.

FAQ

Reader questions

How did the official investigation determine that Lee Harvey Oswald acted alone?

The Warren Commission reviewed ballistic evidence, eyewitness accounts, and the Zapruder film to conclude that Oswald fired three shots from the Texas School Book Depository, with one bullet striking both Kennedy and Connally and two other shots hitting Kennedy, leading to his death.

What does the Zapruder film show about the direction of the shots?

The Zapruder film captures the fatal head shot occurring after the president passes a highway sign, with his head snapping backward and to the left, suggesting a shot from behind or possibly from the front, though most analysts still place the fatal shot behind him.

Did the House Select Committee on Assassinations confirm a second shooter?

The committee found a likelihood of a second shooter based on acoustic evidence, though later reviews questioned that evidence’s reliability, leaving the question of additional gunmen unresolved.

Why has the medical evidence from Parkland Hospital been controversial?

Discrepancies in the timing of arrival, descriptions of wounds, and the loss or alteration of some original records have fueled skepticism, with some believing the observed injuries are inconsistent with a single rear shooter.

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