When folks bring trouble to your home, if they get away with it, they'll do it again, and again.
Its kinda like a "protective order". Hold that up in front of you when they come at you, and see if it helps.
Its easy to say walk away to somebody else in their yard.
Would you let somebody run you in the house, out of your own yard? I wouldn't.
I ain't gonna judge the man not seeing the entire video, and not hearing everything that was said.
I expect the Grand Jury will have everything they need to come to the right conclusion.