The JFK Assassination 1963 · 30 Aug 2026 · 13 min

Dealey Plaza: The Geography That Defined a Presidency

The turn onto Elm Street, the sixth-floor window, the grassy knoll — the physical geography of Dealey Plaza is the foundation on which every JFK assassination theory rests. This episode maps the space where history broke, and explains why the geometry still matters sixty years later.

The JFK Assassination 1963
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Dealey Plaza: The Geography That Defined a Presidency

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What's covered

The Route That Made History

A decision about road barriers changed everything. That's not hyperbole.

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Planning the Route

The Secret Service, working with Dallas officials in the days before the visit, selected the downtown route to maximize public exposure. Kennedy's approval ratings had been under pressure.

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The Geography of Dealey Plaza

Dealey Plaza itself is smaller than most people imagine when they first see it. The open area sits at the western edge of downtown Dallas, a modest public space bookended by a concrete pergola on the north side, a grassy embankment running up toward a wooden stockade fence on what became known as the grassy knoll, and the triple underpass at the western end where Elm, Main, and Commerce Streets converge beneath a railroad overpass.

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The Rifle and the Window

Oswald had purchased a Mannlicher-Carcano rifle, model C two seven six six, by mail order in March of nineteen sixty-three. He used an alias, A.

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Three Shots, Six Seconds, and the Timing Problem

The Warren Commission concluded that Oswald fired three shots in roughly five and a half to six seconds. One shot missed.

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The Acoustic Evidence and the Grassy Knoll

This is where the route's geography intersects with a completely different type of investigation. In nineteen seventy-eight, when the House Select Committee on Assassinations re-examined the case, its analysts reviewed police dispatch recordings made on Dictabelt from the day of the assassination.

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After the Shots

The motorcade accelerated through the triple underpass and rushed toward Parkland Memorial Hospital. Kennedy was pronounced dead at one p.m. local time.

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What the Route Left Behind

That left turn onto Elm Street took less than five seconds to complete. The shooting was over in roughly six seconds more.

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