Index/People/Helen Markham

Helen Markham

Fact-Checks

10 results
Nov 16, 2025
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What evidence linked Lee Harvey Oswald to J.D. Tippit's shooting?

The Warren Commission concluded that multiple strands of evidence tied Lee Harvey Oswald to the fatal shooting of Dallas Patrolman J.D. Tippit roughly 45 minutes after President Kennedy’s assassinatio...

Nov 12, 2025
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What time did Oswald allegedly shoot and kill Dallas police officer J D Tippit?

Lee Harvey Oswald is variously reported to have shot and killed Dallas police officer J.D. Tippit between approximately Central Time on November 22, 1963; the most commonly cited times cluster around ...

Dec 15, 2025
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Who were the witnesses to the Tippit shooting and what did they tell police about the shooter?

Multiple contemporary sources and the Warren Report list about a dozen people who saw or were near the shooting of Officer J.D. Tippit and/or its immediate aftermath; by the evening of November 22, fi...

Nov 26, 2025

What eyewitnesses placed Lee Harvey Oswald at the scene of Officer J.D. Tippit's shooting?

Multiple contemporaneous witnesses and later investigators linked Lee Harvey Oswald to the murder of Officer J.D. Tippit; the Warren Commission relied heavily on several named eyewitnesses (for exampl...

Nov 26, 2025

Which eyewitnesses testified that Lee Harvey Oswald was seen near the Tippit murder scene and what did each witness say?

Multiple sources report that several eyewitnesses placed a man later identified as Lee Harvey Oswald at or near the Tippit murder scene on November 22, 1963; key named witnesses include Helen Markham,...

Nov 8, 2025

What role did Officer J.D. Tippit’s shooting play in locating Oswald on November 22 1963?

The shooting of Dallas Police Officer J.D. Tippit on November 22, 1963, significantly contributed to locating and arresting Lee Harvey Oswald that afternoon: witnesses at the Tippit scene described a ...

Feb 6, 2026

How consistent are eyewitness accounts of Tippit’s location and movements with the official timeline in the Warren Commission and HSCA reports?

Eyewitness accounts of ’s location and the timing and direction of the shooter contain significant disagreements with ’s timeline but were re-evaluated and partially reconciled by ; the result is a co...

Jan 12, 2026

Were any eyewitness identifications or forensic findings later challenged in the Tippit case?

Multiple participants in the official record later questioned key eyewitness identifications and some forensic conclusions in the J.D. Tippit murder, with critics pointing to contradictory witness sta...

Nov 26, 2025

Which witnesses placed Lee Harvey Oswald at the Tippit shooting and what were their exact statements?

Multiple contemporary reports and official investigations say at least a dozen people either saw the shooter at or immediately after the J.D. Tippit killing and that several witnesses later identified...

Nov 22, 2025

Were there inconsistencies or challenges to the evidence linking Oswald to Tippit during his trial?

Contemporary official findings and many later reviews concluded that Lee Harvey Oswald killed Patrolman J. D. Tippit about 45 minutes after President Kennedy’s assassination, but critics and independe...