“I live at Torrington Lodge, Blackheath, with my parents, Mr. Holmes, but last night, having to do business very late with Mr. Jonas Oldacre, I stayed at an hotel in Norwood, and came to my business from there. I knew nothing of this affair until I was in the train, when I read what you have just heard. I at once saw the horrible danger of my position, and I hurried to put the case into your hands. I have no doubt that I should have been arrested either at my city office or at my home. A man followed me from London Bridge Station, and I have no doubt⁠—Great heaven! what is that?”

It was a clang of the bell, followed instantly by heavy steps upon the stair. A moment later, our old friend Lestrade appeared in the doorway. Over his shoulder I caught a glimpse of one or two uniformed policemen outside.