I'd have won, for here we are, right on the dot, which is unusual in these days, I believe."
"You said something, Tom. But what are we going to do about our spy?"
"Well, if you insist that's what he is, I think the best thing would be to notify some secret service official. There must be plenty of them around the station. Every passenger, before he leaves the station, has to have his papers stamped by the military authorities. Then's your chance to tip them off about this chap."
"I'll do it, Tom. I'm not going to lose any chances of putting German enemies out of the way."
It was about five o'clock when the train pulled into the Gare de l'Est, and the passengers, including many soldiers on leave, prepared for the joys of Paris. Tom and Jack, proceeding as did the others to the place designated for the official stamping of papers, found a chance to tell their suspicions to an officer, and to point out the man Jack suspected.
"The matter shall be attended to," said the military official, treating the information with the utmost respect, and evidently considering it of more importance than Tom imagined would be attached to it. "We are greatly indebted to you, not only because you are of our beloved aviators, but because you also think to do this