“I don’t understand.”

“There is no bell to this room. He came here for the purpose of spotting you.”

Parks threw himself back into his chair with an oath.

“We can’t afford to quarrel,” he said, “if that is Nick Carter, or one of his assistants.”

Parks pondered for some moments.

“Help me out,” he said, “and I’ll get rid of the fellow. Then we can put up the electric-drill burglary, and make enough money to get out of the country.”

“Have you tried to turn any tricks since you came here?” Gilmore asked.

Parks hesitated.

He had once been a leader of crooks, and disliked to mention the incident on Boston Avenue.

At last, however, he explained just what had taken place, and was roundly cursed by Gilmore for coming to his place after having attempted so daring a crime.