Yes, there are conspiratorial actions (such as the ones you cited abvoe). No, that does not mean there is some sort of global supra-legislative body conspiring on this massive scale. Life isn't a bond movie bro.
And there better be security there, those events have some heavy hitters. I've actually worked with a few dudes on the list from 2015, don't know them personally though. I'll shoot em an email asking why they had Scalia killed