9D. The sleuth (and perhaps the reader, if a keen observer) becomes aware of the error which remains undisclosed to the other characters.
Entering emotional state of the point-of-view character
Character objective: What do they want?
Conflict: What impedes them from what they want?
Motive for antagonism: Some understanding of the other characters’ motivations
Character’s worldview: What belief system is he/she operating in?
Tactic: What actions the character takes in the scene to achieve their objective (remember, dialogue is action)
Turn: Does the character get what they want in the scene? What comes out of the conflict? What causes their emotions to change?
Objective achieved: Yes or no?
Exiting emotional state: If not the opposite of the entering emotional state, it must at least be different