“Yes. I was sent here with other officers, but was told to let things alone until you arrived, as headquarters had requested you to take on the case. That’s all there is to it.”

“You mean, Kennedy, that that’s the beginning of it,” said Nick. “To learn what there really is to it may tax the discernment of the best of us.”

“That’s true, Mr. Carter, after all,” Kennedy readily allowed.

“Have you inquired at the neighboring houses?”

“Yes, sir. Only a woman living opposite can supply any information.”

“What is that?”

“She saw two men and a woman, presumably Gibson and the couple mentioned, entering the house day before yesterday,” Kennedy proceeded to report. “Something like an hour after dark yesterday, or about seven o’clock in the evening, the same woman was seated at her front window waiting for her husband to come home to supper. She saw two men entering this house, and a moment later she saw the reflection of a light in the dining room.”

“In any other rooms?”

“No, sir. Nor could she tell me anything more, for her husband came in just then and she went to supper with him.”

Nick glanced toward the street.