Molenbeek
Its counterterrorism efforts have been hindered by everything from its institutional makeup to linguistic barriers and unemployment.
Extremism in Belgium is far more complex than just blaming one neighborhood.
The attack was the worst in Belgium's history.
He is the only survivor of the 10 men believed to have carried out the November attacks.
WHAT'S HAPPENING
The brother of two Paris assailants was also seen lighting candles for the victims.
"The best outcome would be for him to turn himself in so that judicial processes can shed light on this story."