I changed my tactics.

“When Eleanore confessed to you that the missing key had been seen in her possession, did she likewise inform you where she obtained it, and for what reason she was hiding it?”

“No.”

“Merely told you the fact, without any explanation?”

“Yes.”

“Was not that a strange piece of gratuitous information for her to give one who, but a few hours before, had accused her to the face of committing a deadly crime?”

“What do you mean?” she asked, her voice suddenly sinking.

“You will not deny that you were once, not only ready to believe her guilty, but that you actually charged her with having perpetrated this crime.”

“Explain yourself!” she cried.

“Miss Leavenworth, do you not remember what you said in that room up-stairs, when you were alone with your cousin on the morning of the inquest, just before Mr. Gryce and myself entered your presence?”