II
It was at this point that my humble part in the case began, for Hewitt hurried first to my rooms.
"Brett," he exclaimed, "are you engaged this afternoon?"
"No—nothing important."
"Will you do me a small favour? I have a rather interesting case. I want a man watched for an hour or so, and I haven't a soul to do it. Kerrett may be known, and I am known. Besides, there is another job for Kerrett."
Of course, I expressed myself willing to do what I could.
"Capital," replied Hewitt. "Come along—you like these adventures, I know, or I wouldn't have asked you; and you know the dodges in this sort of observation. The man is one Samuel, a Jew, of 150 Hatton Garden, diamond dealer. I'll tell you more afterwards. Kerrett and I are going into the offices next door, and I want you to wait thereabout. Presently I will come downstairs with him and he
