Setting fire to a courthouse is already against the law. What benefit is there in calling it Terrorism? Are there things which are currently legal that will b

Setting fire to a courthouse is already against the law. What benefit is there in calling it Terrorism? Are there things which are currently legal that will become illegal under this 'domestic terrorism framework' that is being discussed? What are these things which are currently legal that will be addressed by a 'domestic terrorism framework'. Were the result Church Hearings justified or did they go too far in the restrictions they placed on law enforcement?