Newsok.com ( I had to register) says there was a "cache" of explosive material removed from his apartment.
"Investigators would not say whether they believe Hinrichs intended to go inside the stadium before the detonation happened".
The above statement is sandwiched between the "serious personal problem" spin of OU President David Boren.
"Boren said the explosives were strapped to his body"
>>>In my opinion, he was checking his 'work' when the bomb accidently went off. I think he had every intention of going into the stadium or waiting for the large crowd to exit.