Take the nephew fishing (like in the Godfather ) and then "go hunting" on the land.. Who knows, you might run into some people who make you fear for your life.

Seriously, sounds like the nephew is the root cause. Might even be some weed cultivating going on. Be careful, people like this are parasitic scum and are dangerous. I do advise if you go there, even just to snoop around, be armed.

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"I always cheer up immensely if an attack is particularly wounding because I think, well, if they attack one personally, it means they have not a single political argument left." Margaret Thatcher