“We might, though I hardly think so,” replied the girl. “And besides I would rather catch them and get a confession—it’s the only way we’ll ever get it. So Ethel and I have been careful to tell Miss Vaughn all the details for the trip in their hearing—”
“Have they said anything, one way or the other?” asked Jack.
“Yes, they’ve tried to discourage us,” answered Ethel. “They’ve told us of several instances of robberies and hold-ups, and have been warning us of danger.”
“And they always tell these stories in front of Miss Vaughn,” added Marjorie.
John nodded his head significantly; the case against the Crowell boys appeared as clear to him as it did to Marjorie.
“And just what do you want us to do?” he inquired.
“Get a machine and follow us, going when we go, and stopping when we stop, but never giving any sign of knowing us. And we’ll have a signal—”
“Yes, the scout whistle!” laughed Jack. “Just like last summer!”
“Three blasts!” put in Marjorie.
“Three blasts, and we’ll be at your side!” cried Jack, his eyes glowing in anticipation of the adventure. “And what are our chances against these two young men in a hand to hand struggle?”