“He should be watched.”
“Sure thing.”
“Go back, and keep an eye on him, Diamond.”
“All right.”
Jack rushed back to the room, and then a cry came from him. Wondering what had happened, Frank hurried after him.
“What is it, Jack?” he asked.
“The man!”
“What?”
“Gone!”
It was true. The man had lost no time in getting out of that room. His coffee was on the table, and his paper lay on the floor. Frank Merriwell dashed down the stairs, hoping to prevent the man from escaping. He was too late to do so, however, for the stranger had left the restaurant. Once outside in the crowd, he had melted away.