Lee Harvey Oswald killed JFK alone and that there was no conspiracy.
Lee Harvey Oswald.
The Warren Commission.
Warren Commission was created in 1963.
Most researchers say that the Warren Commission was not correct in this finding. Aside from a few Warren Commission proponents, researchers tend to agree with the witnesses and ballistics evidence that suggests that there were multiple shooters involved in the assassination. This belief was supported by the House Select Committee on Assassinations, which concluded with near certainty that there was a second shooter.
a lone assassin. As opposed to several assassins.
The Warren Commission was appointed by the government to investigate Kennedy's assassination. They concluded that Lee Harvey Oswald shot the president, but there are still many more sinister theories.
Warren Commission Report Report of the President's Commission on the Assassination of President Kennedy
After an extensive investigation, the Warren commission concluded that Oswald acted alone in the shooting. There are many people who have other theories but no indisputable evidence.
If by chance you mean the Warren Commission, they concluded that JFK was killed by Lee Oswald, and that while other people may have been involved, they were unknown.
the Warren Commission
The latest analysis reveals that the Warren Commission was right about Oswald shooting the President three times.
The highly flawed Warren Commission to investigate the assassination of US President Kennedy concluded that there was one shooter. That person was Lee Harvey Oswald. One quick comment on this: Imagine a person bent on assassinating the US President. Now imagine the odds of the President's travel route passing right next to where you work. Imagine you also had an ancient Italian carbine. Imagine that time after time FBI and/or military snipers unable to duplicate the "assassination" and failing.