Some TX Billionaire (Hunt?), gives the "Go" call to the Deep State hit team, (run by LBJ?).
LBJ's hate for Bobby Kennedy is well established.
For subsequent details, read here:
https://tierneyrealnewsnetwork.substack.com/p/what-the-heck-is-really-going-on
It was a hit by the government of the US on their own. Just like what has been happening by the government of the US on Trump since 2016, only the press is wholly owned now. Americans couldn’t be influenced in those days to the extent they are now.