March nodded.
“According to Miss Grey, Brading was alive at three-ten. According to Forrest, he was dead at three-twenty. According to Miss Constantine and James Moberly, they were together in the study during the intervening ten minutes. According to Edna Snagge, no one came through the hall. Since you always know everything, I suppose you know that the only other room opening on to that short length of passage, the billiard-room, was locked up all day.”
Miss Silver said,
“Yes—Major Forrest very kindly verified that.”
“Miss Peto, the manageress, says there is only one key, and she had it. The room keys are not interchangeable. I’ve had them all tried, and there isn’t one that fits the billiard-room door. So we get this situation. Lewis Brading is alive at three-ten, and dead at three-
