"We haven't got them!" was the surly reply.
"Don't lie about it!" Will advised. "We know that the plans were sent to Fenton's employer and that Fenton stole them."
"How do the plans concern you?" demanded Cameron.
"We don't want the plans because they are alleged to represent a valuable invention," Will replied. "We want them because they are needed in the criminal court of Chicago."
"I suppose you boys planned this costly and dangerous expedition for the purpose of seeing how the plans look!" sneered Fenton.
"That's about the size of it!" replied Will.
"Well, we don't know anything about the plans!" declared Cameron, "and we wouldn't give you any information on the subject if we did!"
"All right," Will replied. "We can tie you up out here and the mosquitos will do the rest!"
Before Will could ask the question which was on his lips, three quick pistol shots came from the south.
"There!" the boy said excitedly, "the signals have brought a response!"