The poor girl's eyes filled with tears.

"Why have you betrayed me?" she demanded in a voice trembling with restrained emotion. "Oh, how could you get me arrested? You, who well know I am not guilty?"

"You really believe I have betrayed you? You actually credited me with that?"

These two young people, meeting in a prison parlour under such tragic circumstances, were hurt and even angry with each other.

Elizabeth Dollon went on:

"Why did you not tell me that you had found on that piece of soap traces of my brother's finger-marks? Why did you accuse me of having received a visit from him, when you yourself had proved that he was dead?"

Fandor took Elizabeth's two little hands in his and pressed them long and tenderly.

"My dear Elizabeth, when I engineered this theatrical stroke in the presence of the examining magistrate, in order to secure your arrest, believe me, I had no time to warn you of what I meant to do.... Ah, if I could have warned you—but it would have only disturbed you to no good purpose, besides—your being really taken by surprise was a help—there could not be any idea of collusion.... Of course, you want the answer to this riddle? You shall have it—that is why I am here.... Don't you remember, Elizabeth, that on the evening before the fatal day you told me that I had twice rung you up on the telephone? And that each time you answered the call you could not find me at the end of the line?... You cannot imagine what I felt when I heard you say that! I never telephoned! I never telephoned to the convent!

"The obvious conclusion was, that the individuals who, for some reason, did not wish to make themselves known, did wish to keep track of you, and to assure themselves that you were still at the convent, rue de la Glacière...."

Fandor's voice trembled a little, as he went on: