No, but they ARE terrorist supporters, bar none.
I don't believe that all the Muslims in Boston are terrorist supporters.
Ironically, the skeleton of the structure revealed that it was made by Novel Iron Works. As a resident of Novel's home town of Malden MA, I know that the company was started by the Noveltesky family. I think I'll wait till they finish the mosque before I tell them that they owe it to Jews that they have a Mosque. Maybe they will tear it down in outrage. Oh well.