This one sounded like a swatting by a jerk neighbor.
Why does there have to be a neighbor involved at all?
When a LEO walks up to your door and says that you have been ratted out by an “anonymous” source, there doesn’t have to be any source at all.
If you demand to be able to confront your accuser?
“Sorry. Anonymous.”
“What was the nature of the complaint?”
“Sorry. Anonymous.”
“What law am I alleged to have broken?”
“Well, You see that Trump Won flag in your yard...”