"They will know better what to do than I." On the way back to the Wadsworth mansion the boys told of the pistol incident and the professor became much interested.

He agreed with Phil and Roger that Nat's doings were much worse.
Dave's father and his uncle had returned, and the youth went straight to them with his tale.

Then Mr.Wadsworth came in and was likewise told.
All the men were also informed of what had happened to Caspar Potts.
"I think I see a way of clearing this matter up--if Mr.Poole attempts to act against Dave," said Mr.Wadsworth.And then he had a long talk with Professor Potts.
The folks at the mansion had just finished dinner when visitors were announced.

They proved to be Aaron Poole and an officer of the law, brought along to arrest Dave.
"I think you had better let me engineer this affair," said Mr.
Wadsworth, and so it was agreed.

He entered the reception room and shook hands formally with Aaron Poole.
"I came to get Dave Porter," said the money-lender, stiffly.