Keep documenting the time of his behavior, Continue to keep calling the cops, and log each call, Demand your landlord to handle the situation like s/he's supposed to. It should be part of your lease, entitlement to quite and peaceful enjoyment. In addition, there is a noise ordinance.
Cops don't like to be called numerous times for the same case; they won't get on you as that is your right. They'll get tired of your neighbor.







