The police officer said: "Mr. Isles, you've never seen the murdered man before, I suppose? The fact that you saw him lying there dead brought nothing to your mind at all?"
"Not a thing. I've never seen him in my life."
The Commissioner said: "Quite candidly, I don't see there's very much use in continuing this conversation, but I think I ought to tell you, Mr. Isles, that the happenings of this evening place you in an uncomfortable position, to say the least of it. The police doctor's report as far as it goes at the moment suggests that the murdered man was killed some time between a quarter to ten and ten o'clock, or thereabouts. You say that you arrived at the house at a quarter past ten, but there's no corroborative evidence to that effect. You merely say so."
"You mean I might have
