They have to rewrite history over this, because no hunter is going to believe a .22 at 150 yards did that to a human being, particularly blowing his skull open.

That's why we have not heard anything about the specific caliber of rifle, which they could read right off of it. It's also why there's silence about the exact damage done to poor Corey. No one has even mentioned the word autopsy.

It's a certain form of diabolical disinformation where, just by suppressing key information, people will automatically fill in the blanks. If the issue occurs to them at all, they just think, "Well, if there was something important or notable about it, they would have said something and I would have heard." That's how most people actually think.

If anyone is wondering, Corey must have been shot--probably inadvertently--by the real assassin while everyone was startled and confused by the noise of the diversion shooter.