Continuity mistake: When Welles is talking to Walt on the porch, Welles sits against the railing and folds his arms. In the next shot, his arms are to his side and he folds them again.
Visible crew/equipment: When Walt arrives to take Penny VanBlarcom's DNA, a crew member's head is reflected in the rear left window of his car.
Visible crew/equipment: When Walt arrives to take Penny VanBlarcom's DNA, a crew member's head is reflected in the rear left window of his car.
Visible crew/equipment: When Walt arrives to take Penny VanBlarcom's DNA, a crew member's head is reflected in the rear left window of his car.
Answer: Something he made up.