"Have you learned anything?" demanded Old King Brady as the launch drew near.
"Not a thing, worse luck," replied Harry. "If ever there was a mystery it is this."
"It is certainly a bad job," replied the old detective, "but such as it is we must make the best of it. Let us wait for the opening up of these warehouses. Information of some sort may come from a quarter we least suspect."
Seven o'clock came, bringing with it the men connected with the warehouses.
Among them was the dock foreman, who demanded the Bradys' business.
He seemed slightly startled when he saw the Secret Service shield.
"Who is Volckman?" demanded the old detective, abruptly.
"I am Volckman," was the reply.
"What's your position here?"
"I am dock foreman."