Was Pat Tillman Murdered, and At Who's Order?

Links presented without judgement. Apply appropriate salt.
http://www.prisonplanet.com/articles/july2007/270707tillmanexecuted.htm
http://www.forbes.com/feeds/ap/2007/07/26/ap3958728.html
http://www.opednews.com/articles/opedne_rob_kall_070727_did_bush_admin_order.htm
http://www.nydailynews.com/news/wn_report/2007/07/27/2007-07-27_tillman_probe_a_sham_says_his_mom-1.html
http://www.foxnews.com/story/0,2933,291046,00.html
http://www.dailybreeze.com/news/nationworld/articles/8756787.html

Mind you, the "big" stories in the mainstream news are:
* supposedly "astronauts were drunk" when flying, but is only an unsubstantiated rumor
* the latest celebrity bimbo on a drunk/drug driving charge