The Washington PostDemocracy Dies in Darkness

Poll: 62 percent believe broader plot killed Kennedy

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Most Americans are conspiracy theorists when it comes to John F. Kennedy.

A strong majority of Americans continue to believe that the former president's assassination wasn't the work of just one man, though the number believing one man was solely responsible is on the rise.

Over six in 10 Americans say the assassination was part of a broader plot rather than just Lee Harvey Oswald, according to a new Washington Post-ABC News poll. Another 29 percent blame one man alone -- the highest that number has been since the 1960s.

The Warren Commission in 1964 concluded that Oswald was solely responsible.