It was Darwin that killed him off, he was a moron like all the Kennedys.
“Hey Jack, we are going to drive you around in a motorcade and you’ll be riding in convertible with the roof down, and the day before we are going to alert the public to the EXACT route you will be taking, it’s perfectly safe because only 3 Presidents were assassinated before”
“Gee errrabah, sounds good to me errraaabah!”
That right there tells you enough to know who was involved...lol.