"There has been a transgression."http://www.youtube.com/watch?v=mo_IAkl5LfQ
How does he know the kidnapper is one from "his house"?
He doesn't. The crime was committed in "his house". When you are a Mob Boss of a particular area, any unsanctioned, illegal action in your territory is a transgresion in your "House".
Oh of course! Thanks indyhu.