I have no clue about who killed JFK, but I have a good rationale for *why* they wanted JFK dead. Here’s the logic:
1) Among his other medical problems kept secret by his family, he also had Addison’s disease, adrenal insufficiency. It is much harder to conceal, because it makes distinct changes to the skin on the upper body and head, unique to the disease. This can be seen in later photos of him. Any doctor of the time familiar with the disease would recognize it at a distance.
2) JFK had been taking natural cortisone for this disease for some years. A terribly expensive drug, a pharmaceutical company finally created a process to make a lot of it much more cheaply. It made a big splash as a “wonder drug”, with a multitude of medical uses.
3) The medical community of the time had a mistaken notion that taking large amounts of cortisone could make someone clinically paranoid and mentally imbalanced. Yet it was the only treatment available for Addison’s disease.
4) The public became aware of this mistaken notion when a movie came out in the theaters in 1957. Called “Bigger Than Life”, it starred James Mason, a big Hollywood star then at the peak of his career. It was about a man who had to take cortisone, and it turned him into a violent madman. Mason’s exaggerated performance was described as “chilling”.
5) So here is JFK, visible ill, for which the only drug may drive him mad. It is well known that he rebuffed arguments that he should not run for reelection because of his health. And then the Cuban Missile Crisis happened.
The logical conclusion is that the president has the power to start a nuclear war, and the world is close to nuclear war. The president is taking a drug that may make him violently insane.
Do we want a violently insane president who could decide to start a nuclear war without warning?
This seems like pretty good logic.
It’s a real toss up between having JFK as a nut case on cortisone or having what we have now.