"None at all. I haven't the slightest idea who it could have been. It must have been some one I don't know, or I should have been nearly sure to notice something," said Olivia.
"Can you tell me any one who might know?"
Olivia shook her head, and said: "No. I don't know any friend of my husband well enough to say. He never told me who his chief friends were. It never occurred to me that he had an intimate friend. I always thought he hadn't, in fact."
"I tell you what: you might inquire of Outhwaite, you know the man I mean, the man who used always to be getting fined for furious driving. He was a friend of Loudwater, the only friend I ever heard him mention, indeed. If he ever confided in any one, that would be the most likely man," said Colonel Grey.
"Thank you. That's an idea. I'll certainly try him," said Mr. Flexen, and he turned as if to go.
But Olivia stopped him, saying: "Do you think, then, that a woman did it, Mr. Flexen?"
"Well, there is a certain amount of evidence which lends some colour to that theory, but I don't want any one to know that," said Mr. Flexen.
And then he could have sworn that he heard Olivia breathe a faint sigh of relief.
But Colonel Grey broke in in a tone of some acerbity and more anxiety: "It's nonsense to talk of any one having done it in face of the medical
