came into Bayport every little while with a package under his arm. That must have been one of them."
"Well, that's a little more evidence to go on."
"Give them enough rope and they'll hang themselves. I'll just bet dollars to doughnuts that there is counterfeit money in that package instead of breakfast food. This man Markel looks to me like a crook, and his tall friend on the train didn't look any too trustworthy either. My idea is that they are using the mill as a plant where they turn out the money, then they give it to one of their men on the train and he takes it to some other city for distribution."
"That looks like it," Joe agreed. "You could tell that Markel had something on his conscience when he handed that package over. He looked mighty shifty about it."
The boys walked back down the street, still discussing the events of the day. They spent the rest of the afternoon out in Barmet Bay, in the Sleuth. For the time being, they dismissed the affair of the mill from their minds, being content, as Frank had said, that the counterfeiters, if they were such, would ultimately betray themselves.
When they returned home that evening for supper they did not tell their father what they
