[@Celeste] The most abridged version would be small time poaching/corruption/smuggling/criminal activities. Probably no worse than in any other town or village, but Three Corners seems to try and keep the outside eyes from finding out.

There is also a number of Faith Militant/Sparrow supporters, who provide weapons and food to the Sparrows. This may be know to a lesser degree, as those involved are doing their best to be secretive about it.

As for the ruling family, the Slynt's are doing both good things and bad things, depending on who you talk to. The eldest is a firm believer in the Seven, while the other two are a bit more... tolerant.