You're a Martian

As predicted, I think you'll see as time goes along that this is the Great Deception - and the leader of the Martians will not look any different than the rest of us and will have grown up right here on Earth...

http://web.mit.edu/newsoffice/2011/martian-0323.html

They already have the "proof."  As a matter of fact, I am certain they have  many things they can prove that show we are all Martians, including DNA from Martian meteors and soil samples, etc.