“Were you here this morning?” he asked.

“I sleep here,” was the reply.

Nick called him aside as soon as his customers left.

“Were you in your place of business when the train passed here at four o’clock this morning?” he asked.

“The place was not open,” was the reply, “but I was awake.”

“Did the train stop?”

“Yes, sir. It always does. There are usually early birds out. We call them four-o’clockers.”

“Their work in the city begins early?”

“I suppose so.”

“Do you happen to know whether any strangers were about here when the train came in?”