Sure, there was the attempted assassination of Reagan and the fears for Obama as the first black President, but in those cases it was a lone nutter rather than a conspiracy.
How long can Trump crash the market before an angry billionaire decides to take him out? The remaining Koch brother is already pouring money into legal challenges against Trump…
He will die of a heart attack within the next year, but it will be ruled as “natural causes”.
That would be a natural cause. An elderly man dying of a heart attack is pretty natural.