We now know this about the radical right-wing platform Vizier op Links

The radical right-wing platform Vizier op Links intimidated historian Nadia Bouras and GroenLinks politician Huub Bellemakers, among others, by putting stickers on their front door. Various reports have now been filed and parliamentary questions have been asked, but the big question remains (and we don't have an answer to that yet): who is behind Vizier op Links? This is what we now know.