Not sure if I have a hate crime or elderly abuse or a case at all

This is none of the above. At best it was a Hatfields v. McCoys battle and otherwise a potential simple battery case. Its noted that you omit what the question is and why he "snapped". That stated, this new found notion of whipping out a cell phone to "take a video" is both absurd and provocative typically escalating the situation unnecessarily. You should have gone into your house and called the police after the first touching. Otherwise this becomes a selective recording issue and recording a mutual argument can actually cause this to be mutual combat where BOTH parties are arrested. That the spouse didn't feel the need to call for help but opted to make a cell phone recording simply adds to the allegations of "set up" by the other side. If you have such a neighbor, this is a good time to get security cameras installed around the house that passively record anything on your property. You will likely need to retain a lawyer to sue for a retraining order and likely to respond to any further escalation of the controversy.