Since after WWII, everything that happened is a conspiracy theory..
There you have Free Masons, Illuminati (Media) or (Murdoch), and then you have to elite group of people who control Everything..... The Bilderberg Group. Research that group and you'll have an idea.
They meet anually and discuss what they need to do, for personal gains.. for example, most recently they BP Oil Spill, the Arab Spring, the IMF case.
Check them out.