It is not terrorism it was a guy named Joe Stack from Austin. The founder of a software business. Apparently he was ticked off at the IRS for interfering with his business.

He founded his company in California but moved to Austin to take advantage of the growing high tech industry in Texas.

Here is a copy of his online posting just before he did this:

http://www.thesmokinggun.com/archive/years/2010/0218102stack...

Austin is so nice and crime free something like this is crazy.