Deliberate mistake: The Virtuoso (up several stories in a building) would not be able to hear what the boy and his mother across the street were saying. The boy even started to say "Hey, mom" when he was still exiting the building. (00:11:41)
Deliberate mistake: The Virtuoso would not be able to have a flashback of the explosion that included a view from behind the van (VanTerra or Winnebago?). (00:14:07)