TWENTY-SEVENThe Chief Constable laid down the papers submitted by Superintendent Drake. He saw before him an unpleasant and harassing day. He found Drake zealous, efficient, and extremely uncongenial. He allowed none of these things to show in face or manner. Drake, always ready to break a silence, took up his tale. ‘As you see, the medical report puts the time of death anywhere between nine and eleven. Well, we know he was alive at nine, because Mrs. Mayhew heard him speak about then. If we knew when he had his last meal we could narrow it down a bit, but with a cold supper left, we can’t do better than that. They think it couldn’t have been later than eleven. Well now, Mrs. Mayhew saw that raincoat with the blood on it at a quarter to ten. That means he was dead within half an hour of

