which has caused my brother to alter his habits can be no ordinary one. What in the world can he have to do with it? The case was featureless as I remember it. The young man had apparently fallen out of the train and killed himself. He had not been robbed, and there was no particular reason to suspect violence. Is that not so?”
“There has been an inquest,” said I, “and a good many fresh facts have come out. Looked at more closely, I should certainly say that it was a curious case.”
“Judging by its effect upon my brother, I should think it must be a most extraordinary one.” He snuggled down in his armchair. “Now, Watson, let us have the facts.”
“The man’s name was Arthur Cadogan West. He was twenty-seven years of age, unmarried, and a clerk at Woolwich Arsenal.”
“Government employ. Behold the link with brother Mycroft!”
“He left Woolwich suddenly on Monday night. Was last seen by his fiancée, Miss Violet Westbury, whom he left abruptly in the fog about 7.30 that evening. There was no quarrel between them and she can give no motive for his action. The next thing heard of him was when his dead body was discovered by a plate-layer named Mason, just outside