“Hell! What a part to play! I am the victim, and you?”
“The murderer, obviously, only I shall take care that you come to no harm.”
“Thanks for the assurance. I wonder…if I had done the old man in, should I have the nerve to do just what you ask, knowing you were there, watching for me to give myself away? In your experience, do most murderers break down when they’re faced with a recapitulation of their crime?”
“Murderers can’t be classed in a group. They vary. Some break down when they realize they have been bowled out, others don’t. One can’t generalize.”
“As a matter of general information, tell me this. If you really suspected me of this crime, would you be justified in asking me to do what you have just detailed?”
“Cooperate in a visibility experiment? I think so. I’m not asking y
