sounds like they had a late night shredding party
It sure does. I can't think of any other rational explanation. While the fact that someone in government knew Atta was already here would cause ripples it wouldn't have caused a tidal wave. If proof emerges that they covered up the fact that Atta had been ID'd, bar the door Katie.
The question that comes to mind is do the two officers claim they put anything in writing, or know someone else did. I have not comes across myself them saying anything about that.