Here are a couple of videos from an article on Tundra Tabloids. I rearanged them a bit but go over and have a look he has some other great stuff there as well. The man can photoshop what can I say.
In any case it appears that Hassan gave a lot of zakat, or charity money for Islamic terrorist groups, and had for years before he decided to go out in a blaze of murder. Quite the choice of pen pals. It must be getting hard for leftist defenders of Islam to claim he was acting against the peaceful intentions of the faith and was really just some nut.
Here is the video from ABC News on his pen pals. Click over for more info if you like.
Now after watching this, it may be worth noting that he could have spared himself a lot of time and trouble if he just watched a few Robert Spencer lectures. Hell most of us in the anti-jihad could have answered his questions with chapter and verse. Spencer would be who I would go to first though: