Literally Sandinistas and Contras. Literally one of the world’s most egregious and “oh shit we got caught” moments in US history. Iran-Contras affair doesn’t ring a bell, does it? Why don’t you start there for both our sakes.
Home grown conspiracy theorists are basically all fascist, yes. That whole segment of knowledge, if you can call it that, was astropaved by the right wing decades ago. Let’s put it this way, Alex Jones isn’t voting left. There is always a big bad wolf that you can’t see, and the only cure is voting right.