The CIA likely had a hand in it and all guilty parties are almost certainly dead by now.
The assassin was killed by an assassin and I bet there
were some unnoticed deaths of lower tier personnel shortly
after.
“all guilty parties are almost certainly dead by now”
That is true.
So—who would care if the coverup continued so many years after the fact—enough to scare President Trump.
This is not that tough a mystery folks.
Think.
You can do it!