"I have found her," I continued, mercilessly. "And now—shall I take you back with me, a prisoner, and hand you over to the officers of the law, or will you answer truthfully such questions as I shall put to you, and go away from this house a free woman?"

She was so absorbed by her own terror, or so overshadowed by some ghost of the past, that she seemed to take no note of my interest in the Groveland business, except as it had been an incidental aid in hunting her down.

"Do you think I would trust you?" she said, with a last effort at defiance. "You want to make me testify against myself."

"You mistake, or you do not understand. I am at present working in the interest of the Groveland case. My discovery of you was an accident, and my knowledge concerning you I am using as a means toward the elucidation of the mystery surrounding the movements of Mamie Rutger and Nellie Ewing. Mamie Rutger I saw last night at the Little Adelphi. Nellie Ewing is no doubt within reach. I might find them both without your assistance. It would only require a little more time and a little more trouble; but time just now is precious. I have other business which demands my attention at the North. Therefore, I say, tell me all that you know concerning these two girls—all, mind. If you omit one necessary detail, if you fabricate in one particular, I shall know it. Answer all my questions truthfully. I shall only ask such as concern your knowledge or connection with this Groveland affair. If you do this, you have nothing to fear from me. If you refuse—you are my prisoner. You comprehend me?"

She eyed me skeptically.

"How do I know that you will let me go, after all?" she said.

"You have my promise, and I am a man of my word. You are a woman, and I don't want to arrest you. If you were a man, I should not offer you a chance for escape. Do as I wish and you are free, and if you need assistance you shall have it. You must choose at once; time presses."

She hesitated a moment, and then said: