In an ideal world you are correct.
But in the real world people are going to speculate.
And anyone with access to that room is going to be a suspect.
And if the two siblings have a history of violent interactions that puts him at the top of the list.
And it seems as if Stepmom may have a violent streak.
I guess that stepmom is filing for a delay in the court hearing because she may incriminate herself or her minor child.
But as the Lord was set to the side, so were the retrictions they observed.
So, did that time not really take place in the real world, or has the real world changed by due to its turning away from the firm belief in a creator & Lord?