The proof may have been in his journal that "disappeared". Produce the journal, and I'm sure we can clear up a lot of things. Still, it doesn't explain why his body armor and uniform were burned days after his death.
You are presuming alot here. First off, you are presuming that there is some truth to any this. Here's a clue... Pat Tillman wouldn't start yelling to cease fire because he is Pat F*%@ing Tillman, dammit.
Second, the author has an obvious bias and a liberal agenda, most obviously noted in his slam of Ann Coulter, a popular target of liberals. If there's is any truth anywhere in this article, it is automatically dismissed due to questionable sources. That's the reality.