They are my cousins, unfortunately, who are in their 30's and live with their dad. They have been coming onto my property - 8-10 of them at a time - and having fishing parties. They do not ask permission. They build a fire. They drink. Some of their friends try to sneak down there during the week and leave if they see me. They will not listen to their Dad (he has no respect from them whatsoever). Two weeks ago I told them no more - none of it on my property. So today some of them snuck onto my friend's part of the pond (she lives next door) and I saw them and ran them off. I know they don't have her permission, and as soon as she was home today I spoke to her. Anyway, what do you do about the idiots next door who keep trespassing and what do you do when they are your relatives? They ARE kind of scary people. The one who is the leader of the whole thing is a meth head. It's not good.