"I know, I know," said the young man, "and I ought to be ashamed of myself for causing him so much uneasiness. But, after all, sir, I am not altogether in the wrong. I saw Mr. Portland last night, and he said that you and he had had an important interview about this dreadful occurrence." "I was not aware," I observed, "that you were acquainted with any of the elder members of your poor Lizzie's family." "I was not," rejoined Carton, "till last night. I introduced myself to Mr. Portland, and told him all that had passed between poor Lizzie and me. I did not have courage enough to go and see Mr. and Mrs. Melladew, but Mr. Portland was very kind to me, and he said that you had undertaken to unravel the mystery." I did not contradict this unauthorised statement on the part of Mr. Portland, not wishing to get into an argument and prolong the conversation unnecessarily; indeed, it would have been disingenuous to say anything to the contrary, for it really seemed to me in some dim way that I was on the threshold of a discovery in connection with the murder. "Hearing this welcome news from Mr. Portland," continued Carton, "you would not have me believe that my meeting with you now in a square I never remember to have passed through in my life is accidental? No, there is more in it than you or I can explain." "What brought you here, then?" I inquired. "Were you aware I was in this neighbourhood?" "No," replied Carton, "I had not the slightest idea of it." "He followed the newsboy," explained Mr. Dowsett, "of whom you bought a paper just now. These people, crying out the dreadful news, excercise a kind of fascination over my dear George. I give you my word, he seems to be in a waking dream as he follows in their footsteps." "I am in no dream," said Carton. "I am on the alert, on the watch. I gaze at the face of every man and woman I pass for signs of guilt. Where is the murderer, the monster who took the life of my poor girl? Not in hiding! It would draw suspicion upon him. He is in the streets, and I may meet him. If I do, if I do----" "You see," whispered Mr. Dowsett to me, "how easy it would be for him to get into serious trouble if he had not a friend at his elbow." "What good," I said, addressing Carton, "can you, in reason, expect to accomplish by wearing yourself out in the way you are doing?" "It will lead me to the end," replied Carton, putting his hand to his forehead; and there was in his tone, despite his denial, a dreaminess which confirmed Mr. Dowsett's remark, "and then I do not care what becomes of me!" Mr. Dowsett gazed at his ward solicitously, and passed his arm around him sympathisingly. "Would it be a liberty, sir," said Carton, "to ask what brings you here?" "I came on a visit to an old friend," I replied evasively, "whom I have not seen for years, and who wished to consult me upon her private affairs."