Isn't that the truth.
"Some people here will be almost distraught with disappointment if and when (as is likely) it turns out to have nothing to do with Islam."
"Isn't that the truth."
In a world where people get together on the internet to commit suicide, anything seems possible.
Probably not foreign terrorism. I would think that if they were going to do some shooting, they would have been more coordinated and able to do quite alot of harm. Of course, we don't have any definite reports on injuries yet.