Some news sites (this one is from OKC) are still saying there was a 2nd device -- it does seem interesting that the stadium was swept before the game -- there must have been a threat unless this is done before each game:
http://www.kfor.com/Global/story.asp?S=3925606
"NewsChannel 4 confirms an individual committed suicide using an explosive device. That person detonated one bomb west of the stadium while police detonated a second bomb nearby."
UPDATING LINKS/URLS (re: OKLAHOMA):
http://www.freerepublic.com/focus/news/1495058/posts
http://www.freerepublic.com/focus/f-news/1494800/posts?page=181#181
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http://webapps.ou.edu/Investigation.pdf
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http://michellemalkin.com/archives/003652.htm
MICHELLE MALKIN.com - WEBLOG: "SUICIDE BOMBER IN OKLAHOMA"
October 2, 2005
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http://www.kfor.com/Global/story.asp?S=3925606
"One dead after explosion outside OU stadium
Report: Shortly after scene of suicide bomber at OU Football game"
ASSOCIATED PRESS
NORMAN, Okla.
October 2, 2005
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http://lampherephotography.blogspot.com/2005/10/terrorist-strike-norman-ok-during.html
BLOG - COMMENTARY
From: Lan Lamphere
October 2, 2005 5:10 AM