“What for?”
“He is in with a gang of robbers to rob the car of forty thousand dollars which you are carrying.”
“How do you know that?”
“I overheard the plot.”
“Do you know the men?”
“Yes.”
“Who are they?”
Bob mentioned the names. Then in as few words as possible he related how the deed was to be done.
“I believe the boy is right,” said the engineer. “I suspected something was wrong by the way Mavelt acted yesterday. And, come to think of it, he asked me the exact time we passed Gooseneck Falls.”
“Then that is the place where the gang will try to throw the train off.”