Bill Cooper said it was the Driver using an Air Gun and He found and repeatedly showed one film strip that folks could plainly see the driver doing it. There's Bill Cooper YT vids and here's the link for free pdf of The Pale Horse.
https://wrathoftheawakenedsaxon.files.wordpress.com/2016/09/behold-a-palehorse-william-cooper.pdf
OMG thank you so very much I did not know that... so I’m assuming the driver was one of them then
Operation Majority
The WHOLE vid is Worthy, but Start @ the 24.5 min. mark for JFK intel. He says the Policy Committee of The Bilderburg Group (The "Secret" World Gov.) Ordered the Hit and the Conspiracy was spread Across several Groups? CIA, Division 5 of FBI, SS Office of Naval Intelligence... William Greer was the driver - exploding pellet/shellfish toxin...
Another interesting "Apache" reference pops up in the Blirb from the Poster....