[Angel Radio wasn't as bad here as it was back home. There were far less angels around to fill the air with chatter. He was sincerely interested in keeping the family safe from those who would experiment on them and if killing them didn't work then protecting was the next thing he would do. As for whatever Anna and possibly Castiel heard he didn't care because they knew better than to go blabbing about it to strangers.]

I can't be sure until I've spoken to the others but if we haven't gotten someone's attention yet then I want to keep it that way.