“Yes, from that window. They broke off in the middle. We came over to see the reason. But since it is safe in your hands I see no object in continuing this business.”

“Wait a bit!” cried Gregson eagerly. “I’ll do you this justice, Mr. Holmes, that I was never in a case yet that I didn’t feel stronger for having you on my side. There’s only the one exit to these flats, so we have him safe.”

“Who is he?”