The Singing Butler

The Singing Butler
"Of course not.He left it on purpose.The fingerprints tell us that." "But there weren't any on it." "That is what I mean.What was yesterday evening?A warm June night.Does aman stroll about on such an evening in gloves?Such a man would certainlyhave attracted attention.Therefore since there are no fingerprints on the AB C，it must have been carefully wiped.An innocent man would have leftprints-a guilty man would not.So our murderer left it there for apurpose-but for all that it is none the less a clue.That A B C was bought bysomeone-it was carried by someone-there is a possibility there."
The Singing Butler
"You think we may learn something that way?" "Frankly，Hastings，I am not particularly hopeful.This man，this unknownX，obviously prides himself on his abilities.He is not likely to blaze atrail that can be followed straight away." "So that really the ABC isn't helpful at all." "Not in the sense you mean." "In any sense?" Poirot did not answer at once.Then he said slowly: "The answer to that is yes.We are confronted here by an unknownpersonage.He is in the dark and seeks to remain in the dark.But in the verynature of things he cannot help throwing light upon himself.In one sense weknow nothing about him-in another sense we know already a good deal.
The Singing Butler