Snowden has done contracting work for the CIA and the NSA. We know that both agencies have information on ETs and free energy technologies. How do we know that he doesn't have documents on the subject? Many free energy devices have been confiscated under "National Security". The people of the world now have distane for the National Security Agencies spying programs. If leaks come out that they have been suppressing devices that could liberate the human race, it would be uproar that the world had never seen before.