Well the good news is that it's been two days without a fire. Maybe he left town or is laying low until a later date. He could be intimidated by all the press and the feds being in town. We'll see what happens.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .