You should report a neighbor that is breaking the law.
Steve notices that his neighbor Chet seems to be selling drugs out of his house to all sorts of strange people.
Steve wants Chet to stop selling drugs.
Steve calls the police and reports Chet's illegal drug activity.
Steve knocks on Chet's door and asks him to stop selling drugs.
Chet is arrested and sentenced to jail for selling drugs and the neighborhood returns to normal.
Chet threatens Steve, tells him to get lost and continues to sell drugs.