Sources

FAMILY DEMANDS THE TRUTH
http://www.sfgate.com/news/article/FAMILY-DEMANDS-THE-TRUTH-New-inquiry-may-expose-2567400.php#page-1

Ex-NFL star Tillman makes 'ultimate sacrifice'
http://www.nbcnews.com/id/4815441/ns/world_news/t/ex-nfl-star-tillman-makes-ultimate-sacrifice/#.U4ZIcie9KSM

The Good Soldier
http://www.nytimes.com/2009/09/13/books/review/Filkins-t.html?_r=0