3

“Hardly the companion I should choose for a walking tour or a reading party,” I said, as we crossed the playing field towards a gate in the hedge and moved out of earshot of the buildings.

Holmes gave a quiet snort.

“A shabby fellow. An exceptionally nasty piece of work. The last person whom I would put in charge of children. Fortunately for our client, as I think Patrick Riley must now be called, Winter has made a strategic error. He would dearly love to massage the tale of attempted suicide into a confession of guilt. That would end the matter. He is too stupid or perverse to see that it is his weakest spot. It is where I believe we shall find the loose thread that unravels this entire conspiracy.”

“Conspiracy?”

“What else? There is far more to this than Winter’s obvious defects of character.”

The so-called School Field, which was not strictly part of the grounds, was rough going, with chalk under a few inches of soil. It looked useless for crops or pasture, or indeed for anything else. The grass grew in brief, uneven tufts, and the broad path was something like a disused cart-track.

To judge from the present state of the earth, the rain that had spoilt so many cricket matches in the northern and eastern counties last week had probably cleared the Isle of Wight a day or two earlier. Patterns of footsteps left on the muddy surface the previous Sunday had accordingly been dried and hardened by a steady south-westerly breeze from the English Channel. Among these prints must surely be those of Patrick Riley and, indeed, whatever so-called witnesses there may have been. If Reginald Winter’s order putting the field out of bounds had been obeyed, as I felt sure it would have been, the latest prints must necessarily have been preserved for a few days.

We walked almost half-way across the field, following the track, before Holmes stopped and surveyed the path ahead. It is necessarily true that more people will cross the first half of a field than the whole of it. Where we were standing, there were three prominent sets of prints which were continuous and a number of others which appeared from time to time on the track, as though someone had been walking at first on the grass but occasionally on the path. My companion stood there for a moment, staring down at these foot patterns. He looked up.

“I believe, Watson, that we have found our man, if Patrick Riley is he. Boys, being boys, will amble about all over the place, mostly on the grass of the field. But imagine that you were running to reach a particular destination on the far side of the field as quickly as you could, and that the surface was still damp from rain. You would, I think, prefer to follow the firmer ground and straighter line of the path. Would you not?”

“As you say.”

“It is so obviously the best way that while you were running you would hardly think about it. It is what you would do by instinct. In any case, if you were in such a hurry that it was necessary to run, then wet grass on either side would slow you down. Now then, you will see there are footsteps here which I have been following from a little way back.”

He paused, turned round the way we had come and then swung round again.

“See here. The length of the stride suggests the height. The depth of the impression in damp earth indicates the weight or build. What I have found is evidence of a lightly-built boy, about five feet six inches in height. At first, just for a little, the soles and heels of his shoes were equally printed, therefore he was walking. I have noticed several similar tracks, but his is consistent and therefore presumably the one we want. You see it here?”

I looked at the print of a business-like sole and heel, the plain uniform shoe of so many schools and colleges. At this point, however, the print of the heel was hardly visible and all the weight seemed to be on the toes. To me the stride appeared longer than that of a boy who was five feet six inches in height. In company with Sherlock Holmes, the explanation was obvious.

“By the time he got here, he had started running!”

“Indeed he had. Of course, there is nothing remarkable in that. Boys of his age, when they have leisure, are normally lazy. But they will run a few steps or a few yards in a game. However, ask yourself how many would run alone the width of a large field, almost start to finish, in a Sunday suit for no good reason. Everything here invites a stroll, not a run. According to the evidence, only Patrick Riley was seen to run towards the railway embankment last Sunday afternoon. See for yourself. There are no continuous running prints but these.”

He stopped again and glanced up at the light cloud veiling the pale Solent sky. I took the chance to intervene.

“That hardly tells us more than we knew already.”

“You think not? I believe it tells us a good deal more. Let us enumerate the details. So far, we were merely informed that he ran across the field. The foolish and improbable suggestion was an intent to throw himself under a train. It was not suggested, for example, that he was running away from pursuers or that he wished to avoid surveillance. If that was the case, his fear would not be that he might be late for the train which was going to kill him but that he wanted to avoid being seen or captured.”

Having demolished the theory of suicide for Winter’s benefit, Holmes now sought to replace it.

“I don’t entirely follow you,” I said.

“Just here, old fellow, there are two prints made by the boy who was running—whom we shall assume was Riley. They are the only ones so far that do not point forwards. The right foot is at a right angle from the path. The left foot also points right at a lesser angle. Now see here. Stand with your feet exactly where the prints are. It will not matter if you disturb the earth. You see? As you stand now, the slightest movement of your head or torso gives you a full view of the field behind you on your right. And a few yards further on our fugitive does it again—this time to the left.”

“But why?”

“Perhaps, like Coleridge’s Ancient Mariner, ‘he knows a frightful fiend doth close behind him tread.’ Or simply because he was looking out for someone who might be behind him—or ahead of him.”

As we walked on, the same “turning prints” occurred more frequently to right and left, as if our fugitive indeed watched for pursuers gaining upon him or sought for friends.

The path on the far side of the field reached the so-called fence, a few strands of wire stretching along waist-high posts. It would have stopped no one. On the other side the slope went up roughly trodden steps to the top of the railway embankment. We stood by the linesman’s hut and gazed towards the black mouth of the tunnel. Looking back, it was also clear that without realising it we had been climbing a slope as we crossed the field.

“Most interesting,” said Sherlock Holmes quietly. “Most, most interesting.”

He knelt and made careful measurements of the final imprints of the shoes, as well as mapping the characteristic pattern and blemishes of the sole and heel. Then I supposed we were about to walk back to St Vincent’s, but he had not quite finished.

“There is something more, Watson. I cannot quite put my finger on it—call it intuition. I daresay it comes from not liking Mr Reginald Winter. Even on so short an acquaintance.”

“You would hardly need an instinct to persuade you of that!”

“He is further involved in this than we believed. Why is it so important to him that Riley should have been thought to attempt suicide? You would suppose he might be pleased to discover it was not so. No matter for the moment. Do you notice a pond in line of sight from here?”

“I cannot see water anywhere. Why?”

“Ponds are generally surrounded by trees, which they naturally nourish. The trees are very often ash and elder or species that grow quite densely. As a result, quiet corners are provided for concealment, a useful shelter for observation. I have once or twice made use of them myself.”

We skirted the field. In its furthest corner from which the ground sloped a little, we found what Holmes had looked for. It was no surprise in such a place. This pond, looking back along the track, was not more than eight or ten feet across, the result of a small spring, its surrounding foliage hardly more than an extension of the hedge which ran up to the railway bank on that side. The marshy ground would accommodate no more than two or three people. Bushes and saplings were packed thick enough to conceal whoever might be there, except from a deliberate search. Even this was unlikely to happen without warning, given the view of the approaches, visible between twigs and leaves. Because it was the remotest corner of the field, it was in any case the least likely to attract attention. The immediate view in that direction was along the railway line. It occurred to me that so long as a train was passing—or standing still at this point—the view of the linesman’s hut would be briefly obscured.

We pulled aside two branches and soon stood in this overgrown space. It would have made an admirable

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