"I spent the night in our apartment—alone." She shivered as with a chill as she uttered these words.

"What!"

"Leslie met me at the dock. He said that Challis had gone away from town for a day or two. The next day I telephoned to the garage and asked them to send the big car to me as I wanted to make some calls. They said that Mr. Wrandall had discharged the chauffeur a week or two before and had been using my little French runabout for a few days, driving it himself. I then instructed them to send the runabout around with one of their own drivers. You can imagine my surprise when I was told that Mr. Wrandall had taken the car out that morning and had not returned with it."

"I see," said Mr. Wrandall, beads of perspiration standing on his forehead.

"He had not left town. I will not try to describe my feelings. Late in the afternoon, I called them up again. He had not returned. It was then that I thought of going to the apartment, which had been closed all winter. Watson and his wife were to go in the next day by my instructions. Challis had been living at a club, I believe. Somehow, I had the feeling that during the night my husband would come to the apartment—perhaps not alone. You understand. I went there and waited all night. That is the story. Of course, it is known that I did not spend the night at the hotel. Mr. Smith evidently has learned as much. It is on this circumstance that he bases his belief."

Booth was leaning forward, breathless with interest.

"May I enquire, Mr. Carroll, how the clever Mr. Smith accounts for the secrecy observed by Mr. Wrandall and his companion, if, as he proclaims, you were the woman? Is it probable that husband and wife would have been so mysterious?"

Mr. Carroll answered. "He is rather ingenious as to that, Mr. Booth. You must understand that he does not specifically charge my cli—Mrs. Wrandall with the murder of her husband. He merely arranges his theories so that they may be applied to her with a reasonable degree of assurance. He only goes this far in his deductions: If, as he has gleaned, Challis Wrandall was engaged in an illicit—er—we'll say distraction—with some one unknown to Sara his wife, what could be more spectacular than her discovery of the fact and the subsequently inspired decision to lay a trap for him? Of course, it is perfect nonsense, but it is the way he goes about it. It has been established beyond a doubt that Wrandall met the woman at a station four miles down the line from Burton's Inn. She came out on one of the local trains, got off at this station as prearranged, and found him waiting for her. Two men, you will recall, testified to that effect at the inquest sixteen months ago. She was heavily veiled. She got in the motor and drove off with him. This was at half past eight o'clock in the evening. Smith makes this astounding guess; the woman instead of being the person expected, was in reality his wife, who had by some means intercepted a letter. Our speculative friend Smith is not prepared to suggest an arrest on these flimsy claims, but he believes it to be worth Mrs. Wrandall's while to have the case permanently closed, rather than allow these nasty conclusions to get abroad. They would spread like wildfire. Do you see what I mean?"

"It is abominable!" cried Hetty, standing before them with flashing eyes. "I KNOW she did not—"

"Hetty, my dear!" cried Sara sharply.