Several first hand accounts of what happened:
http://www.freerepublic.com/focus/f-news/1476202/posts
http://www.freerepublic.com/focus/f-news/1476080/posts
http://www.freerepublic.com/focus/f-news/1475595/posts
So why would the head of the Lousiana National Guard lie??
If there really were that many bodies, how could he possibly hide it??