I was in class in Air Force tech school at the time the news of the assassination broke (noonish as I recall). Even the instructor (a captain) blurted out something to the effect it must have been a right wing job because...Dallas. Never forgot..thought he was FOS.
One of the first cases of “Never Let A Crisis Go To Waste”.
It didn’t matter who did it, just use the opportunity to bash right-wingers.