The problem with Bush is that yes, he's religious in a fundamentalist sort of way, they read the Old Testament as a sort of charter for the chosen people to do what they like.
Murderers will try to recall the sequence of events, they will remember exactly what they did just before and just after. But they can never remember the actual moment of killing. This is why they will always leave a clue.
So often actors only mix with actors, which is quite incestuous, and doesn't give them the insight into how other people work.