I strongly urge you to install your own surveillance and recording equipment. That might be problematic from the job point of view if you do incall at your location, but having your own recording of a confrontation can be very helpful in a legal setting. I have some friends who were having problems with a neighbor and I made the same recommendation. They chose to ignore the idea and two weeks later the neighbor got them out of their yard on the premise they were resolving differences. A scuffle ensued, then the neighbor disappeared into their house and came back out bloody after calling the police. Where do you think that is going in the courts now?

Rover14