“The poor fellow must have been mad,” said Sandford, with grave sympathy.

“Yes, yes. But why was he mad? Why did he hate you? My dear chap, do search your memory. Can you think of any sort of connection between Kimball and you?”

“I never heard of him till he became prominent in the House. I never saw him till he came into the office. Our relations were always perfectly correct. No, I can only suppose that he was insane. Is it any use to try to discover reasons for the antipathies of madness? I have not studied the subject, but it seems obvious that they must be irrational. I am sorry I cannot help your investigations. I believe I had better catch my train. Good afternoon.”

“You know, I begin to like that fellow. He’s so damned honest,” said Reggie.

“Cold-blooded fish,” said Lomas. “Begad, he don’t know how near he was to dead. Did you ever hear anything less plausible than that yarn of his? If we didn’t know it was true we wouldn’t believe a word of it. Good God, suppose Hall hadn’t been down here watching! We should have had the outside facts. Sandford, who had been accused and suspended by Kimball, suddenly comes down to Kimball’s house, meets him, quarrels with him, and throws him into the lake.”

“And the men working in the park a little way off just saw the struggle, just heard Kimball call out that he was murdered,” said Reggie. “Don’t forget the men. They’re a most interesting touch. He always thought of everything, did Mr. Kimball. He had them there, just the right distance for the evidence he wanted. I don’t know if you see the full significance of those men working in the park.”

Lomas sat down. “I don’t mind owning I thought they were accidental.”

“My dear chap! Oh, my dear chap, there was very little accidental in the vicinity of the late Kimball. They were there to give evidence that would hang Sandford. And that proves Kimball didn’t mean to throw Sandford into the lake. He wanted to be thrown in, he wanted to be killed, and get Sandford hanged for it.”

“I suppose so,” Lomas agreed. “It’s a case that’s happened before. And you couldn’t always say the creatures that planned it were mad.”

“Not legally mad. Not medically mad. I always said that. No, I don’t know that it’s even very strange. Quite a lot of people would be ready to die if they could get their enemies killed by their death. Only they don’t see their way. But he was an able fellow, the late Kimball.”