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…
Will need to know which states, precisely. Because I don’t think that’s how anything works. This is a pure fictional hypothetical with made-up rules.
It probably isn’t hard to buy a black market gun, though; the laws don’t seem to stop the lawbreakers. Look at Chicago. 🙄