VIDEO : Conservative Koch Brothers Invested In 'Wonder Woman'

The conservative Koch brothers have been silent investors in Warner Bros.' films for four years. Sources have revealed that Charles G. Koch and David H. Koch invested tens of millions of dollars in RatPac-Dune Entertainment. The Koch brothers, who are worth $96.2 billion combined and are known for supporting right-wing politicians, continue to be stakeholders in such films as "Wonder Woman", "Dunkirk" and Steven Spielberg's upcoming "Ready Player One." As for why their involvement has been kept secret, a source said, "They're in it to make money. They're not in it for the recognition."