[quote=@Legend]
<Snipped quote by Spiritblitz>

How do you judge?
[/quote]

If they have the time, they will poke the beings who are killing and/or attacking questions of their reasons before fighting. If they don't then they must use as much information as possible to make a rightful decision. 
*stares at you*
We aren't corrupt, if you are trying to figure that out from us. In fact, I am the director of the "police" force within our ranks. I make sure corruption isn't apart of our organization.