It's clear he's not on the American side, the Judeo-Christian side, and not on the Western side.
It doesn't matter "if" he's a Muslim or ever was, or ever will be.
President Obama's policy choices all favour the enemies of freedom and liberty and reflect a deep, disdain for our culture and heritage .
By the way, what is "Belgian" about these terrorists? Citizenship means nothing to them. They have no national allegiance. Their allegiance is transnational and to the caliphate.