The man in black coolly picked up his cotton umbrella which in the struggle had fallen to the ground.
"That is not a matter which need concern you."
"I insist upon knowing and in going on to Brod without delay."
The other merely shrugged.
"I regret to say that that is impossible."
"Why?"
"Because my instructions were to keep you from reaching the Bosnian border until tomorrow morning."
"You are——?"
"Herr Gustav Linke—that is all, Herr Renwick."
"An agent of——"