Sooooooooo.....
She's saying she doesn't know where they came from? But, by G_d, they're authentic.
Everyone knows that Bush is EEEEEEEEEEEEEEEEVIL.
Knowing that, any document that points to that fact must, by default, be true. Even if the documents are slightly less than authentic, it doesn't take away from the veracity of the charges.
(Mapes can't see the moonbats because her wings keep getting in the way.)