Ever since President John F. Kennedy was assassinated in Dallas in 1963, people have been asking whether one gunman could have changed history on his own. That disbelief gave birth to a cottage industry of speculation — from shooters on grassy knolls to CIA plots and mafia involvement.
The historical record is messy. The Warren Commission concluded that Lee Harvey Oswald acted alone, and independent reviews have confirmed its core findings. Ballistic evidence and eyewitness accounts still point in that direction. The House Select Committee on Assassinations did raise the possibility of a second shooter, but later acoustic analyses undercut the evidence they relied on.
Why does the idea of a conspiracy persist? Partly because it’s hard to accept that a lone, troubled young man could kill a president. Partly because the government botched elements of the investigation, feeding mistrust. And partly because popular culture keeps the story alive.
That doesn’t mean there aren’t unanswered questions. Oswald’s motives were never clearly articulated. Ruby’s killing of Oswald added a layer of intrigue. Still, more than half a century later, no credible alternative theory has been supported by verifiable evidence. The weight of the evidence still points to a lone gunman.


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