If the police won't act despite evidence (film) of him peeing in the yard and lighting fires, you should escalate over those officers' heads: go to their leutenant, their captain, the police chief, even the town/city council and mayor's office if need be. There appears to be ample here to charge him with disorderly persons offenses (at a minimum), which could then be settled by an enforceable agreement that he cease doing this. Keep "kicking it upstairs" until you find an official who will take this appropriately seriously.