shore road wrecked his car, then stole Chet's roadster and afterward tried to hold up the ticket office. When he failed in that he abandoned the roadster. He wore a red wig that he took off occasionally to confuse pursuers. If we could only find the wig we might be able to get further information."
"Do you think it might help us solve the Tower robbery?" asked Perry.
"Possibly."
"The man was evidently a professional thief," explained Frank. "If he was smart enough to wear a wig he was evidently an old-timer at the game. And if he failed in the ticket office hold-up, who knows but what he might have been hanging around the city waiting for another chance."
"Gosh, you may be right, at that!" exclaimed Perry. "I was just telling your father that I saw a strange man lurking about the grounds of Tower Mansion two days before the robbery. I didn't think anything of it at the time, and in the shock of dad's arrest I forgot about it."
"Did you get a good look at him? Could you describe him?" asked the detective.
"I'm afraid I couldn't. It was in the evening, and I was sitting by the window, studying. I happened to look up and I saw this fellow moving about under the trees near the wall. Later on I heard one of the dogs barking in an-
