You are basically saying "if we unfucked our current situation then we could impeach and remove him from office", because the impossibility of holding him accountable is part of the problem.
You ever see those memes where the killer comes into the house, but can't find the victim. So the killer does something akin to "shave and a haircut two bits.....
You don't have to kill these people. But you have a duty to revoke their right to vote.
it'll be behind a guarded & locked passage much like the Thatcher grave which I was disappointed to learn about. -You might have some luck with the Reagan site, though.
While I agree that fascists like him should be afraid to go out in public, that particular fascist dying would make him a martyr. He needs to live long enough to be convicted again and actually serve jail time.
That is silly because the US justice system will never ever do that, you could just as well hope to win the lottery and have better odds. The US justice system is dead, if it ever existed. His demise is a much more realistic hope.
Also they already act like he is a martyr, it won't change anything with regards to that.