The letter arrived in the same kind of inauspicious envelope that usually holds a routine correspondence from the Army.
In the five years since the death of her son, Jeffrey Wershow, in Iraq, Anne Marie Mattison of Gainesville has gotten used to letters like those.
This one was something different.
Mattison is one of thousands of survivors of soldiers killed following the Sept. 11, 2001, terrorist attacks to receive a letter from the U.S. Army asking a simple question: What could we have done better?