“There, that’s enough,” said Lestrade. “I am a practical man, Mr. Holmes, and when I have got my evidence I come to my conclusions. If you have anything to say, you will find me writing my report in the sitting-room.”

Holmes had recovered his equanimity, though I still seemed to detect gleams of amusement in his expression.

“Dear me, this is a very sad development, Watson, is it not?” said he. “And yet there are singular points about it which hold out some hopes for our client.”

“I am delighted to hear it,” said I, heartily. “I was afraid it was all up with him.”

“I would hardly go so far as to say that, my dear Watson. The fact is that there is one really serious flaw in this evidence to which our friend attaches so much importance.”

“Indeed, Holmes! What is it?”