Stella thought for a minute. “Well, I don't think I can, quite. I know it was before lunch. Somewhere about twelve—but I wouldn't swear to it. It might have been later.”
“Not earlier?”
“No, I'm sure it wasn't earlier.”
“Until your aunt went to turn it out, was your uncle's bathroom locked?”
She shook her head. “Oh no! His bedroom wasn't either.”
“Could anyone have gone into the bathroom without being seen, do you think?”
“Yes, easily, I should imagine. Why should—oh! To take that tube away, and burn it!” She looked round, puzzled. “But no one did. Then—then it looks as though it wasn't anyone living in the house, doesn't it?”
“We don't know that Fielding didn't try,” said Guy. “But he didn't get the chance, because Beecher went up to uncle's room with him.”
“I'm sure it wasn't Deryk,” answered Stella shortly.
“Well, what about Randall?” said Guy. “Just as a matter of interest, dear cousin Randall, what were you doing on the landing that day I found you talking to Stella at the top of the stairs?”