“Yes.”

“But you kept your eyes open, eh?”

“I suppose so.”

“Let us hope so. You realise that you must have been followed from the moment you left Gallipoli?”

“I hadn’t realised that.”

“It must be so. They knew your hotel and your room in it. They were waiting for you to return. They must have known of every movement you made since you arrived.”

He got up suddenly and, going to a filing cabinet in the corner, extracted from it a yellow manillla folder. He brought it back and dropped it on the desk in front of Graham. “Inside that folder, Mr. Graham, you will find photographs of fifteen men. Some of the photographs are clear; most are very blurred and indistinct. You will have to do the best you can. I want you to cast your mind back to the time you boarded the train at Gallipoli yesterday, and remember every face you saw, even casually, between that time and three o’clock this morning. Then I want you to look at those photographs and see if you recognise any of the faces there. Afterwards Mr. Kopeikin can look at them, but I wish you to see them first.”

Graham opened the folder. There was a series of thin white cards in it. Each was about the size of the folder, and had a photograph gummed to the top half of it. The prints were all the same size, but they had obviously been copied from original photographs of varying sizes. One was an enlargement of part of a photograph of a group of men standing in front of some trees. Underneath each print was a paragraph or two of typewritten matter in Turkish: presumably the description of the man in question.

Most of the photographs were, as the Colonel had said, blurred. One or two of the faces were, indeed, no more than blobs of grey with dark patches marking the eyes and mouths. Those that were clear looked like prison photographs. The men in them stared sullenly at their tormentors. There was one of a negro wearing a tar-boosh with his mouth wide open as if he were shouting at someone to the right of the camera. Graham turned the cards over, slowly and hopelessly. If he had ever seen any of these men in his life, he could not recognise them now.

The next moment his heart jolted violently. He was looking at a photograph taken in very strong sunshine of a man in a hard straw hat standing in front of what might have been a shop, and looking over his shoulder at the camera. His right arm and his body below the waist were out of the picture, and what was in was rather out of focus; in addition the photograph looked as if it had been taken at least ten years previously; but there was no mistaking the doughy, characterless features, the long-suffering mouth, the small deep-set eyes. It was the man in the crumpled suit.