FALDER. It was an accident.
CLEAVER. [Cheerfully] Queer sort of accident, wasn't it? On which day did you alter the counterfoil?
FALDER. [Hanging his head] On the Wednesday morning.
CLEAVER. Was that an accident too?
FALDER. [Faintly] No.
CLEAVER. To do that you had to watch your opportunity, I suppose?
FALDER. [Almost inaudibly] Yes.
CLEAVER. You don't suggest that you were suffering under great excitement when you did that?
FALDER. I was haunted.
CLEAVER. With the fear of being found out?