"You were on the terrace, I think, when Mrs. Twining arrived?"
"Yes," admitted Camilla.
"And when did your husband join you?"
"Oh, quite soon afterwards — I don't know exactly. Every one was there, except Geoffrey and that sickening Mexican girl, and where they were I don't know, though I do know that Geoffrey said he'd been out walking, which I must say I thought sounded very odd."
"You remained on the terrace until one o'clock?"
"Yes, I did," said Camilla significantly. "And so did my husband."
"Did anyone leave the terrace before one o'clock?"
"Mr. Guest did. He pretended he hadn't got his tobacco pouch on him -"
"Have you any reason for saying "pretended", Mrs. Halliday?"
"I don't know whether he had or not, but I thought at the time that it was only an excuse, because Basil offered to let him have some of his, and he wouldn't take it. He insisted on going indoors for his own, and he was gone for ages."