we
have any clue at all."
"There's only one," answered the Inspector. "We thought that if we could
only find--Good heavens, Mr. Holmes! What is the matter?"
My poor friend's face had suddenly assumed the most dreadful expression.
His eyes rolled upwards, his features writhed in agony, and with a
suppressed groan he dropped on his face upon the ground. Horrified
at the suddenness and severity of the attack, we carried him into the
kitchen, where he lay back in a large chair, and breathed heavily for
some minutes. Finally, with a shamefaced apology for his weakness, he
rose once more.
"Watson would tell you that I have only just recovered from a severe
illness," he explained. "I am liable to these sudden nervous attacks."
"Shall I send you home in my trap?" asked old Cunningham.
"Well, since I am here, there is one point on which I should like to
feel sure. We can very easily verify it."
"What was it?"
"Well, it seems to me that it is just possible that the arrival of
this poor fellow William was not before, but after, the entrance of
the burglary into the house. You appear to take it for granted that,
although the door was forced, the robber never got in."
"I fancy that is quite obvious," said Mr. Cunningham, gravely. "Why, my
son Alec had not yet gone to bed, and he would certainly have heard any
one moving about."
"Where was he sitting?"
"I was smoking in my dressing-room."
"Which window is that?"
"The last on the left next my father's."
"Both of your lamps were lit, of course?"
"Undoubtedly."
"There are some very singular points here," said Holmes, smiling. "Is
it not extraordinary that a burglary--and a burglar who had had some
previous experience--should deliberately break into a house at a time
when he could see from the lights that two of the family were still
afoot?"
"He must have been a cool hand."
"Well, of course, if the case were not an odd one we should not have
been driven to ask you for an explanation," said young Mr. Alec. "But as
to your ideas that the man had robbed the house before William tackled
him, I think it a most absurd notion. Wouldn't we have found the place
disarranged, and missed the things which he had taken?"
"It depends on what the things were," said Holmes. "You must remember
that we are dealing with a burglar who is a very peculiar fellow, and
who appears to work on lines of his own. Look, for example, at the
queer lot of things which he took
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