Or the shooter could be a Muzzie (and yes I know he was described as white)
Lots of Chechen Muslims are white.
Iranians are white. The word Iran means Aryan.
First, this religion is extremely anti-liberal. If these were white guys, l'd look toward the left wing special interest groups who feel they've been threatened by Christian beliefs.
Secondly, Muslims, on the other hand, do shave their heads when engaging in jihad. These guys were referred to as "bald."