What is going on now is really something that should not have gone this far.  This Veteran is probably a combat veteran and just about now he feels Boxed in and Ganged up on.  My guess is he has reverted to a combat role and is just defending himself.   IMO:  The police need to back off and give him room.   Let him have time to feel like he isn't boxed in.  But what do I know, I'm also a veteran.