“I’d like to have the honor of capturing him. I don’t see how you accomplished it.” “I tricked him.” The young man entered the room and inspected Brockey. Carter loitered outside in the hall for a few minutes and then he commenced to descend the stairs. He had considerable faith in his young assistant, and he was confident that Patsy would guard the prisoner as well as he would himself. In that respect his mind was easy. In the lower hall he made a few changes in his disguise and then he left the house. He went up to the Grand Central Station and commenced to inspect the cabmen. At last he found cab No. 147. “Hello! How are you?” The man looked at him for a moment and then exclaimed: “Hello! How are ye?” “Pretty well.” “Did you stick to the trail of that old bloke the other night?” “Yes.” Carter had made himself up in such a manner that he looked like Brockey. He was delighted when the cabman recognized him as the thug. “Who was he?” the cabby asked, after a silence. “He was the man who was murdered at the Red Dragon Inn.” “You are joking!” “I am not,” protested Nick. “I wouldn’t like to stand in your shoes.” “Why not?” “The fly cops’ll get on to your following the old cove.” “They won’t if you don’t tell.” “I might make some money by telling.” “You won’t do that?” “Why shouldn’t I?” “You’ll get an innocent man into a hole.” “That’s so. But, I say, where’s the tall mug?” “Who do you mean?” “I mean the man who employed me.” “I thought you knew him?” “No, I don’t,” said the cabman. “He just picked me up here at the depot and he ordered me to follow the other mug. “I thought he was a detective.” “You know who he is?” “Honestly, I do not.” “Would you call on him if I should give you his name and address?” “Of course, I would.” “What will you do?” “I’ll make him come down with the rocks.” “Will you whack up with me?” “Of course I will.” “You’ll play square?” “I swear it.” “His name is Simeon Rich, and he lives in the Studio Building, at the corner of Broadway and Thirty-first Street.” “Gosh!” “What are you going to do?” “I’m going to get some one to mind my rig and I’m going to call on Mr. Rich.” “I’ll see you downtown.” Carter hurried away. He stopped at a saloon and made a change in his disguise in the back room. When he came out he was just in time to see cabby No. 147 making a bee line down Park Avenue. He started after him. What object had Carter in view when he gave Rich’s name and address to the cabman? CHAPTER XIII. BLACKMAIL. The cabman did not allow the grass to grow under his feet. It did not take him long to reach the Studio Building. “He’s a rascal,” Carter commented, as he tracked the cabman; “I can make use of him.” The detective was amused. That he had formulated some shrewd move was quite certain from the manner in which he was acting. The cabman entered the Studio Building. Carter was close behind him.