two clues this morning. One
is the bicycle with the Palmer tire, and we see what that has led to.
The other is the bicycle with the patched Dunlop. Before we start to
investigate that, let us try to realize what we do know, so as to make
the most of it, and to separate the essential from the accidental."
"First of all, I wish to impress upon you that the boy certainly left of
his own free-will. He got down from his window and he went off, either
alone or with someone. That is sure."
I assented.
"Well, now, let us turn to this unfortunate German master. The boy was
fully dressed when he fled. Therefore, he foresaw what he would do.
But the German went without his socks. He certainly acted on very short
notice."
"Undoubtedly."
"Why did he go? Because, from his bedroom window, he saw the flight of
the boy, because he wished to overtake him and bring him back. He seized
his bicycle, pursued the lad, and in pursuing him met his death."
"So it would seem."
"Now I come to the critical part of my argument. The natural action of
a man in pursuing a little boy would be to run after him. He would know
that he could overtake him. But the German does not do so. He turns to
his bicycle. I am told that he was an excellent cyclist. He would not do
this, if he did not see that the boy had some swift means of escape."
"The other bicycle."
"Let us continue our reconstruction. He meets his death five miles
from the school--not by a bullet, mark you, which even a lad might
conceivably discharge, but by a savage blow dealt by a vigorous arm.
The lad, then, HAD a companion in his flight. And the flight was a swift
one, since it took five miles before an expert cyclist could overtake
them. Yet we survey the ground round the scene of the tragedy. What do
we find? A few cattle-tracks, nothing more. I took a wide sweep round,
and there is no path within fifty yards. Another cyclist could have
had nothing to do with the actual murder, nor were there any human
foot-marks."
"Holmes," I cried, "this is impossible."
"Admirable!" he said. "A most illuminating remark. It IS impossible as I
state it, and therefore I must in some respect have stated it wrong. Yet
you saw for yourself. Can you suggest any fallacy?"
"He could not have fractured his skull in a fall?"
"In a morass, Watson?"
"I am at my wit's end."
"Tut, tut, we have solved some worse problems. At least we have plenty
of material, if we can only use it. Come,
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